]> git.ipfire.org Git - thirdparty/openssl.git/blame - providers/implementations/encode_decode/encode_key2any.c
Fix some conversion from size_t to const int errors
[thirdparty/openssl.git] / providers / implementations / encode_decode / encode_key2any.c
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8ae40cf5 1/*
0c679f55 2 * Copyright 2020-2025 The OpenSSL Project Authors. All Rights Reserved.
8ae40cf5
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3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * Low level APIs are deprecated for public use, but still ok for internal use.
12 */
13#include "internal/deprecated.h"
14
318994a1 15#include <openssl/byteorder.h>
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16#include <openssl/core.h>
17#include <openssl/core_dispatch.h>
18#include <openssl/core_names.h>
19#include <openssl/crypto.h>
20#include <openssl/params.h>
21#include <openssl/asn1.h>
22#include <openssl/err.h>
23#include <openssl/pem.h>
24#include <openssl/x509.h>
25#include <openssl/pkcs12.h> /* PKCS8_encrypt() */
26#include <openssl/dh.h>
27#include <openssl/dsa.h>
28#include <openssl/ec.h>
2741128e 29#include <openssl/proverr.h>
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30#include "internal/passphrase.h"
31#include "internal/cryptlib.h"
32#include "crypto/ecx.h"
b818a998 33#include "crypto/ml_kem.h"
8ae40cf5 34#include "crypto/rsa.h"
df231a88 35#include "crypto/ml_dsa.h"
a25bcde2 36#include "crypto/slh_dsa.h"
8ae40cf5 37#include "prov/implementations.h"
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38#include "prov/bio.h"
39#include "prov/provider_ctx.h"
40#include "prov/der_rsa.h"
41#include "endecoder_local.h"
5421423e 42#include "ml_dsa_codecs.h"
5b2d996f 43#include "ml_kem_codecs.h"
8ae40cf5 44
a2e145f8
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45#if defined(OPENSSL_NO_DH) && defined(OPENSSL_NO_DSA) && defined(OPENSSL_NO_EC)
46# define OPENSSL_NO_KEYPARAMS
47#endif
48
35f6e7ea 49typedef struct key2any_ctx_st {
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50 PROV_CTX *provctx;
51
78043fe8
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52 /* Set to 0 if parameters should not be saved (dsa only) */
53 int save_parameters;
54
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55 /* Set to 1 if intending to encrypt/decrypt, otherwise 0 */
56 int cipher_intent;
57
58 EVP_CIPHER *cipher;
59
60 struct ossl_passphrase_data_st pwdata;
35f6e7ea 61} KEY2ANY_CTX;
8ae40cf5 62
111dc4b0 63typedef int check_key_type_fn(const void *key, int nid);
78043fe8 64typedef int key_to_paramstring_fn(const void *key, int nid, int save,
8ae40cf5 65 void **str, int *strtype);
c319b627
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66typedef int key_to_der_fn(BIO *out, const void *key,
67 int key_nid, const char *pemname,
35f6e7ea
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68 key_to_paramstring_fn *p2s,
69 OSSL_i2d_of_void_ctx *k2d, KEY2ANY_CTX *ctx);
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70typedef int write_bio_of_void_fn(BIO *bp, const void *x);
71
576892d7
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72
73/* Free the blob allocated during key_to_paramstring_fn */
74static void free_asn1_data(int type, void *data)
75{
1287dabd 76 switch (type) {
576892d7
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77 case V_ASN1_OBJECT:
78 ASN1_OBJECT_free(data);
79 break;
80 case V_ASN1_SEQUENCE:
81 ASN1_STRING_free(data);
82 break;
83 }
84}
85
8ae40cf5
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86static PKCS8_PRIV_KEY_INFO *key_to_p8info(const void *key, int key_nid,
87 void *params, int params_type,
35f6e7ea
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88 OSSL_i2d_of_void_ctx *k2d,
89 KEY2ANY_CTX *ctx)
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90{
91 /* der, derlen store the key DER output and its length */
92 unsigned char *der = NULL;
93 int derlen;
94 /* The final PKCS#8 info */
95 PKCS8_PRIV_KEY_INFO *p8info = NULL;
96
8ae40cf5 97 if ((p8info = PKCS8_PRIV_KEY_INFO_new()) == NULL
35f6e7ea 98 || (derlen = k2d(key, &der, (void *)ctx)) <= 0
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99 || !PKCS8_pkey_set0(p8info, OBJ_nid2obj(key_nid), 0,
100 params_type, params, der, derlen)) {
e077455e 101 ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
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102 PKCS8_PRIV_KEY_INFO_free(p8info);
103 OPENSSL_free(der);
104 p8info = NULL;
105 }
106
107 return p8info;
108}
109
110static X509_SIG *p8info_to_encp8(PKCS8_PRIV_KEY_INFO *p8info,
35f6e7ea 111 KEY2ANY_CTX *ctx)
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112{
113 X509_SIG *p8 = NULL;
114 char kstr[PEM_BUFSIZE];
115 size_t klen = 0;
169eca60 116 OSSL_LIB_CTX *libctx = PROV_LIBCTX_OF(ctx->provctx);
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117
118 if (ctx->cipher == NULL)
119 return NULL;
120
121 if (!ossl_pw_get_passphrase(kstr, sizeof(kstr), &klen, NULL, 1,
122 &ctx->pwdata)) {
f5f29796 123 ERR_raise(ERR_LIB_PROV, PROV_R_UNABLE_TO_GET_PASSPHRASE);
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124 return NULL;
125 }
126 /* First argument == -1 means "standard" */
6f9683d6
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127 p8 = PKCS8_encrypt_ex(-1, ctx->cipher, kstr, (int)klen, NULL, 0, 0, p8info,
128 libctx, NULL);
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129 OPENSSL_cleanse(kstr, klen);
130 return p8;
131}
132
133static X509_SIG *key_to_encp8(const void *key, int key_nid,
134 void *params, int params_type,
35f6e7ea
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135 OSSL_i2d_of_void_ctx *k2d,
136 KEY2ANY_CTX *ctx)
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137{
138 PKCS8_PRIV_KEY_INFO *p8info =
35f6e7ea 139 key_to_p8info(key, key_nid, params, params_type, k2d, ctx);
6a2b8ff3 140 X509_SIG *p8 = NULL;
8ae40cf5 141
6a2b8ff3 142 if (p8info == NULL) {
576892d7 143 free_asn1_data(params_type, params);
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144 } else {
145 p8 = p8info_to_encp8(p8info, ctx);
146 PKCS8_PRIV_KEY_INFO_free(p8info);
147 }
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148 return p8;
149}
150
151static X509_PUBKEY *key_to_pubkey(const void *key, int key_nid,
152 void *params, int params_type,
35f6e7ea
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153 OSSL_i2d_of_void_ctx *k2d,
154 KEY2ANY_CTX *ctx)
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155{
156 /* der, derlen store the key DER output and its length */
157 unsigned char *der = NULL;
158 int derlen;
159 /* The final X509_PUBKEY */
160 X509_PUBKEY *xpk = NULL;
161
162
163 if ((xpk = X509_PUBKEY_new()) == NULL
35f6e7ea 164 || (derlen = k2d(key, &der, (void *)ctx)) <= 0
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165 || !X509_PUBKEY_set0_param(xpk, OBJ_nid2obj(key_nid),
166 params_type, params, der, derlen)) {
e077455e 167 ERR_raise(ERR_LIB_PROV, ERR_R_X509_LIB);
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168 X509_PUBKEY_free(xpk);
169 OPENSSL_free(der);
170 xpk = NULL;
171 }
172
173 return xpk;
174}
175
c319b627 176/*
6a2b8ff3
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177 * key_to_epki_* produce encoded output with the private key data in a
178 * EncryptedPrivateKeyInfo structure (defined by PKCS#8). They require
179 * that there's an intent to encrypt, anything else is an error.
6a2b8ff3 180 *
e304aa87 181 * key_to_pki_* primarily produce encoded output with the private key data
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182 * in a PrivateKeyInfo structure (also defined by PKCS#8). However, if
183 * there is an intent to encrypt the data, the corresponding key_to_epki_*
184 * function is used instead.
185 *
186 * key_to_spki_* produce encoded output with the public key data in an
187 * X.509 SubjectPublicKeyInfo.
188 *
189 * Key parameters don't have any defined envelopment of this kind, but are
190 * included in some manner in the output from the functions described above,
191 * either in the AlgorithmIdentifier's parameter field, or as part of the
192 * key data itself.
c319b627 193 */
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194
195static int key_to_epki_der_priv_bio(BIO *out, const void *key,
196 int key_nid,
197 ossl_unused const char *pemname,
198 key_to_paramstring_fn *p2s,
35f6e7ea
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199 OSSL_i2d_of_void_ctx *k2d,
200 KEY2ANY_CTX *ctx)
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201{
202 int ret = 0;
203 void *str = NULL;
204 int strtype = V_ASN1_UNDEF;
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205 X509_SIG *p8;
206
207 if (!ctx->cipher_intent)
208 return 0;
8ae40cf5 209
78043fe8
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210 if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
211 &str, &strtype))
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212 return 0;
213
6a2b8ff3
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214 p8 = key_to_encp8(key, key_nid, str, strtype, k2d, ctx);
215 if (p8 != NULL)
216 ret = i2d_PKCS8_bio(out, p8);
8ae40cf5 217
6a2b8ff3 218 X509_SIG_free(p8);
8ae40cf5 219
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220 return ret;
221}
8ae40cf5 222
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223static int key_to_epki_pem_priv_bio(BIO *out, const void *key,
224 int key_nid,
225 ossl_unused const char *pemname,
226 key_to_paramstring_fn *p2s,
35f6e7ea
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227 OSSL_i2d_of_void_ctx *k2d,
228 KEY2ANY_CTX *ctx)
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229{
230 int ret = 0;
231 void *str = NULL;
232 int strtype = V_ASN1_UNDEF;
233 X509_SIG *p8;
8ae40cf5 234
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235 if (!ctx->cipher_intent)
236 return 0;
237
238 if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
239 &str, &strtype))
240 return 0;
241
242 p8 = key_to_encp8(key, key_nid, str, strtype, k2d, ctx);
243 if (p8 != NULL)
244 ret = PEM_write_bio_PKCS8(out, p8);
245
246 X509_SIG_free(p8);
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247
248 return ret;
249}
250
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251static int key_to_pki_der_priv_bio(BIO *out, const void *key,
252 int key_nid,
253 ossl_unused const char *pemname,
254 key_to_paramstring_fn *p2s,
35f6e7ea
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255 OSSL_i2d_of_void_ctx *k2d,
256 KEY2ANY_CTX *ctx)
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257{
258 int ret = 0;
259 void *str = NULL;
260 int strtype = V_ASN1_UNDEF;
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261 PKCS8_PRIV_KEY_INFO *p8info;
262
263 if (ctx->cipher_intent)
264 return key_to_epki_der_priv_bio(out, key, key_nid, pemname,
265 p2s, k2d, ctx);
8ae40cf5 266
78043fe8
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267 if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
268 &str, &strtype))
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269 return 0;
270
35f6e7ea 271 p8info = key_to_p8info(key, key_nid, str, strtype, k2d, ctx);
8ae40cf5 272
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273 if (p8info != NULL)
274 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8info);
275 else
276 free_asn1_data(strtype, str);
8ae40cf5 277
6a2b8ff3 278 PKCS8_PRIV_KEY_INFO_free(p8info);
8ae40cf5 279
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280 return ret;
281}
8ae40cf5 282
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283static int key_to_pki_pem_priv_bio(BIO *out, const void *key,
284 int key_nid,
285 ossl_unused const char *pemname,
286 key_to_paramstring_fn *p2s,
35f6e7ea
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287 OSSL_i2d_of_void_ctx *k2d,
288 KEY2ANY_CTX *ctx)
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289{
290 int ret = 0;
291 void *str = NULL;
292 int strtype = V_ASN1_UNDEF;
293 PKCS8_PRIV_KEY_INFO *p8info;
294
295 if (ctx->cipher_intent)
296 return key_to_epki_pem_priv_bio(out, key, key_nid, pemname,
297 p2s, k2d, ctx);
298
299 if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
300 &str, &strtype))
301 return 0;
302
35f6e7ea 303 p8info = key_to_p8info(key, key_nid, str, strtype, k2d, ctx);
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304
305 if (p8info != NULL)
306 ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8info);
307 else
308 free_asn1_data(strtype, str);
309
310 PKCS8_PRIV_KEY_INFO_free(p8info);
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311
312 return ret;
313}
314
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315static int key_to_spki_der_pub_bio(BIO *out, const void *key,
316 int key_nid,
317 ossl_unused const char *pemname,
318 key_to_paramstring_fn *p2s,
35f6e7ea
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319 OSSL_i2d_of_void_ctx *k2d,
320 KEY2ANY_CTX *ctx)
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321{
322 int ret = 0;
323 void *str = NULL;
324 int strtype = V_ASN1_UNDEF;
325 X509_PUBKEY *xpk = NULL;
326
78043fe8
TM
327 if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
328 &str, &strtype))
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329 return 0;
330
35f6e7ea 331 xpk = key_to_pubkey(key, key_nid, str, strtype, k2d, ctx);
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332
333 if (xpk != NULL)
334 ret = i2d_X509_PUBKEY_bio(out, xpk);
335
336 /* Also frees |str| */
337 X509_PUBKEY_free(xpk);
338 return ret;
339}
340
c319b627
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341static int key_to_spki_pem_pub_bio(BIO *out, const void *key,
342 int key_nid,
343 ossl_unused const char *pemname,
344 key_to_paramstring_fn *p2s,
35f6e7ea
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345 OSSL_i2d_of_void_ctx *k2d,
346 KEY2ANY_CTX *ctx)
8ae40cf5
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347{
348 int ret = 0;
349 void *str = NULL;
350 int strtype = V_ASN1_UNDEF;
351 X509_PUBKEY *xpk = NULL;
352
78043fe8
TM
353 if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters,
354 &str, &strtype))
8ae40cf5
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355 return 0;
356
35f6e7ea 357 xpk = key_to_pubkey(key, key_nid, str, strtype, k2d, ctx);
8ae40cf5
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358
359 if (xpk != NULL)
360 ret = PEM_write_bio_X509_PUBKEY(out, xpk);
576892d7
SL
361 else
362 free_asn1_data(strtype, str);
8ae40cf5
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363
364 /* Also frees |str| */
365 X509_PUBKEY_free(xpk);
366 return ret;
367}
368
c319b627
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369/*
370 * key_to_type_specific_* produce encoded output with type specific key data,
371 * no envelopment; the same kind of output as the type specific i2d_ and
372 * PEM_write_ functions, which is often a simple SEQUENCE of INTEGER.
373 *
374 * OpenSSL tries to discourage production of new keys in this form, because
375 * of the ambiguity when trying to recognise them, but can't deny that PKCS#1
376 * et al still are live standards.
377 *
378 * Note that these functions completely ignore p2s, and rather rely entirely
379 * on k2d to do the complete work.
380 */
381static int key_to_type_specific_der_bio(BIO *out, const void *key,
382 int key_nid,
383 ossl_unused const char *pemname,
384 key_to_paramstring_fn *p2s,
35f6e7ea
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385 OSSL_i2d_of_void_ctx *k2d,
386 KEY2ANY_CTX *ctx)
c319b627
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387{
388 unsigned char *der = NULL;
389 int derlen;
390 int ret;
391
35f6e7ea 392 if ((derlen = k2d(key, &der, (void *)ctx)) <= 0) {
e077455e 393 ERR_raise(ERR_LIB_PROV, ERR_R_PROV_LIB);
c319b627
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394 return 0;
395 }
396
397 ret = BIO_write(out, der, derlen);
398 OPENSSL_free(der);
399 return ret > 0;
400}
401#define key_to_type_specific_der_priv_bio key_to_type_specific_der_bio
402#define key_to_type_specific_der_pub_bio key_to_type_specific_der_bio
403#define key_to_type_specific_der_param_bio key_to_type_specific_der_bio
404
405static int key_to_type_specific_pem_bio_cb(BIO *out, const void *key,
406 int key_nid, const char *pemname,
407 key_to_paramstring_fn *p2s,
35f6e7ea
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408 OSSL_i2d_of_void_ctx *k2d,
409 KEY2ANY_CTX *ctx,
c319b627
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410 pem_password_cb *cb, void *cbarg)
411{
35f6e7ea
VD
412 return PEM_ASN1_write_bio_ctx(k2d, (void *)ctx, pemname, out, key,
413 ctx->cipher, NULL, 0, cb, cbarg) > 0;
c319b627
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414}
415
416static int key_to_type_specific_pem_priv_bio(BIO *out, const void *key,
417 int key_nid, const char *pemname,
418 key_to_paramstring_fn *p2s,
35f6e7ea
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419 OSSL_i2d_of_void_ctx *k2d,
420 KEY2ANY_CTX *ctx)
c319b627
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421{
422 return key_to_type_specific_pem_bio_cb(out, key, key_nid, pemname,
423 p2s, k2d, ctx,
424 ossl_pw_pem_password, &ctx->pwdata);
425}
426
427static int key_to_type_specific_pem_pub_bio(BIO *out, const void *key,
428 int key_nid, const char *pemname,
429 key_to_paramstring_fn *p2s,
35f6e7ea
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430 OSSL_i2d_of_void_ctx *k2d,
431 KEY2ANY_CTX *ctx)
c319b627
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432{
433 return key_to_type_specific_pem_bio_cb(out, key, key_nid, pemname,
434 p2s, k2d, ctx, NULL, NULL);
435}
436
a2e145f8 437#ifndef OPENSSL_NO_KEYPARAMS
c319b627
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438static int key_to_type_specific_pem_param_bio(BIO *out, const void *key,
439 int key_nid, const char *pemname,
440 key_to_paramstring_fn *p2s,
35f6e7ea
VD
441 OSSL_i2d_of_void_ctx *k2d,
442 KEY2ANY_CTX *ctx)
c319b627
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443{
444 return key_to_type_specific_pem_bio_cb(out, key, key_nid, pemname,
445 p2s, k2d, ctx, NULL, NULL);
446}
01b77081 447#endif
c319b627 448
8ae40cf5
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449/* ---------------------------------------------------------------------- */
450
35f6e7ea
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451#define k2d_NOCTX(n, f) \
452 static int \
453 n##_k2d(const void *key, unsigned char **pder, \
454 ossl_unused void *ctx) \
455 { \
456 return f(key, pder); \
457 }
458
459/* ---------------------------------------------------------------------- */
460
8ae40cf5 461#ifndef OPENSSL_NO_DH
78043fe8 462static int prepare_dh_params(const void *dh, int nid, int save,
8ae40cf5
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463 void **pstr, int *pstrtype)
464{
465 ASN1_STRING *params = ASN1_STRING_new();
466
467 if (params == NULL) {
e077455e 468 ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
8ae40cf5
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469 return 0;
470 }
471
472 if (nid == EVP_PKEY_DHX)
473 params->length = i2d_DHxparams(dh, &params->data);
474 else
475 params->length = i2d_DHparams(dh, &params->data);
476
477 if (params->length <= 0) {
e077455e 478 ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
8ae40cf5
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479 ASN1_STRING_free(params);
480 return 0;
481 }
482 params->type = V_ASN1_SEQUENCE;
483
484 *pstr = params;
485 *pstrtype = V_ASN1_SEQUENCE;
486 return 1;
487}
488
35f6e7ea
VD
489static int dh_spki_pub_to_der(const void *dh, unsigned char **pder,
490 ossl_unused void *ctx)
8ae40cf5
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491{
492 const BIGNUM *bn = NULL;
493 ASN1_INTEGER *pub_key = NULL;
494 int ret;
495
496 if ((bn = DH_get0_pub_key(dh)) == NULL) {
497 ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY);
498 return 0;
499 }
500 if ((pub_key = BN_to_ASN1_INTEGER(bn, NULL)) == NULL) {
501 ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR);
502 return 0;
503 }
504
505 ret = i2d_ASN1_INTEGER(pub_key, pder);
506
507 ASN1_STRING_clear_free(pub_key);
508 return ret;
509}
510
35f6e7ea
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511static int dh_pki_priv_to_der(const void *dh, unsigned char **pder,
512 ossl_unused void *ctx)
8ae40cf5
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513{
514 const BIGNUM *bn = NULL;
515 ASN1_INTEGER *priv_key = NULL;
516 int ret;
517
518 if ((bn = DH_get0_priv_key(dh)) == NULL) {
519 ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PRIVATE_KEY);
520 return 0;
521 }
522 if ((priv_key = BN_to_ASN1_INTEGER(bn, NULL)) == NULL) {
523 ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR);
524 return 0;
525 }
526
527 ret = i2d_ASN1_INTEGER(priv_key, pder);
528
529 ASN1_STRING_clear_free(priv_key);
530 return ret;
531}
532
0195cdd2
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533# define dh_epki_priv_to_der dh_pki_priv_to_der
534
35f6e7ea
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535static int
536dh_type_specific_params_to_der(const void *dh, unsigned char **pder,
537 ossl_unused void *ctx)
8ae40cf5 538{
c319b627
RL
539 if (DH_test_flags(dh, DH_FLAG_TYPE_DHX))
540 return i2d_DHxparams(dh, pder);
541 return i2d_DHparams(dh, pder);
8ae40cf5
RL
542}
543
c319b627
RL
544/*
545 * DH doesn't have i2d_DHPrivateKey or i2d_DHPublicKey, so we can't make
546 * corresponding functions here.
547 */
548# define dh_type_specific_priv_to_der NULL
549# define dh_type_specific_pub_to_der NULL
111dc4b0 550
c319b627 551static int dh_check_key_type(const void *dh, int expected_type)
111dc4b0
RL
552{
553 int type =
c319b627 554 DH_test_flags(dh, DH_FLAG_TYPE_DHX) ? EVP_PKEY_DHX : EVP_PKEY_DH;
111dc4b0
RL
555
556 return type == expected_type;
557}
558
559# define dh_evp_type EVP_PKEY_DH
560# define dhx_evp_type EVP_PKEY_DHX
c319b627
RL
561# define dh_pem_type "DH"
562# define dhx_pem_type "X9.42 DH"
8ae40cf5
RL
563#endif
564
565/* ---------------------------------------------------------------------- */
566
567#ifndef OPENSSL_NO_DSA
78043fe8
TM
568static int encode_dsa_params(const void *dsa, int nid,
569 void **pstr, int *pstrtype)
8ae40cf5
RL
570{
571 ASN1_STRING *params = ASN1_STRING_new();
572
573 if (params == NULL) {
e077455e 574 ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
8ae40cf5
RL
575 return 0;
576 }
577
578 params->length = i2d_DSAparams(dsa, &params->data);
579
580 if (params->length <= 0) {
e077455e 581 ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
8ae40cf5
RL
582 ASN1_STRING_free(params);
583 return 0;
584 }
585
586 *pstrtype = V_ASN1_SEQUENCE;
587 *pstr = params;
588 return 1;
589}
590
78043fe8
TM
591static int prepare_dsa_params(const void *dsa, int nid, int save,
592 void **pstr, int *pstrtype)
8ae40cf5
RL
593{
594 const BIGNUM *p = DSA_get0_p(dsa);
595 const BIGNUM *q = DSA_get0_q(dsa);
596 const BIGNUM *g = DSA_get0_g(dsa);
597
78043fe8
TM
598 if (save && p != NULL && q != NULL && g != NULL)
599 return encode_dsa_params(dsa, nid, pstr, pstrtype);
8ae40cf5
RL
600
601 *pstr = NULL;
602 *pstrtype = V_ASN1_UNDEF;
603 return 1;
604}
605
35f6e7ea
VD
606static int dsa_spki_pub_to_der(const void *dsa, unsigned char **pder,
607 ossl_unused void *ctx)
8ae40cf5
RL
608{
609 const BIGNUM *bn = NULL;
610 ASN1_INTEGER *pub_key = NULL;
611 int ret;
612
613 if ((bn = DSA_get0_pub_key(dsa)) == NULL) {
614 ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY);
615 return 0;
616 }
617 if ((pub_key = BN_to_ASN1_INTEGER(bn, NULL)) == NULL) {
618 ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR);
619 return 0;
620 }
621
622 ret = i2d_ASN1_INTEGER(pub_key, pder);
623
624 ASN1_STRING_clear_free(pub_key);
625 return ret;
626}
627
35f6e7ea
VD
628static int dsa_pki_priv_to_der(const void *dsa, unsigned char **pder,
629 ossl_unused void *ctx)
8ae40cf5
RL
630{
631 const BIGNUM *bn = NULL;
632 ASN1_INTEGER *priv_key = NULL;
633 int ret;
634
635 if ((bn = DSA_get0_priv_key(dsa)) == NULL) {
636 ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PRIVATE_KEY);
637 return 0;
638 }
639 if ((priv_key = BN_to_ASN1_INTEGER(bn, NULL)) == NULL) {
640 ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR);
641 return 0;
642 }
643
644 ret = i2d_ASN1_INTEGER(priv_key, pder);
645
646 ASN1_STRING_clear_free(priv_key);
647 return ret;
648}
649
35f6e7ea
VD
650k2d_NOCTX(dsa_prv, i2d_DSAPrivateKey)
651k2d_NOCTX(dsa_pub, i2d_DSAPublicKey)
652k2d_NOCTX(dsa_param, i2d_DSAparams)
653
0195cdd2
RL
654# define dsa_epki_priv_to_der dsa_pki_priv_to_der
655
35f6e7ea
VD
656# define dsa_type_specific_priv_to_der dsa_prv_k2d
657# define dsa_type_specific_pub_to_der dsa_pub_k2d
658# define dsa_type_specific_params_to_der dsa_param_k2d
111dc4b0
RL
659
660# define dsa_check_key_type NULL
661# define dsa_evp_type EVP_PKEY_DSA
c319b627 662# define dsa_pem_type "DSA"
8ae40cf5
RL
663#endif
664
665/* ---------------------------------------------------------------------- */
666
667#ifndef OPENSSL_NO_EC
8ae40cf5
RL
668static int prepare_ec_explicit_params(const void *eckey,
669 void **pstr, int *pstrtype)
670{
671 ASN1_STRING *params = ASN1_STRING_new();
672
673 if (params == NULL) {
e077455e 674 ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
8ae40cf5
RL
675 return 0;
676 }
677
678 params->length = i2d_ECParameters(eckey, &params->data);
679 if (params->length <= 0) {
e077455e 680 ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
8ae40cf5
RL
681 ASN1_STRING_free(params);
682 return 0;
683 }
684
685 *pstrtype = V_ASN1_SEQUENCE;
686 *pstr = params;
687 return 1;
688}
689
c319b627
RL
690/*
691 * This implements EcpkParameters, where the CHOICE is based on whether there
692 * is a curve name (curve nid) to be found or not. See RFC 3279 for details.
c319b627 693 */
78043fe8 694static int prepare_ec_params(const void *eckey, int nid, int save,
8ae40cf5
RL
695 void **pstr, int *pstrtype)
696{
697 int curve_nid;
698 const EC_GROUP *group = EC_KEY_get0_group(eckey);
699 ASN1_OBJECT *params = NULL;
700
701 if (group == NULL)
702 return 0;
703 curve_nid = EC_GROUP_get_curve_name(group);
704 if (curve_nid != NID_undef) {
705 params = OBJ_nid2obj(curve_nid);
706 if (params == NULL)
707 return 0;
708 }
709
710 if (curve_nid != NID_undef
711 && (EC_GROUP_get_asn1_flag(group) & OPENSSL_EC_NAMED_CURVE)) {
c319b627 712 /* The CHOICE came to namedCurve */
8ae40cf5
RL
713 if (OBJ_length(params) == 0) {
714 /* Some curves might not have an associated OID */
715 ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_OID);
716 ASN1_OBJECT_free(params);
717 return 0;
718 }
719 *pstr = params;
720 *pstrtype = V_ASN1_OBJECT;
721 return 1;
722 } else {
c319b627 723 /* The CHOICE came to ecParameters */
8ae40cf5
RL
724 return prepare_ec_explicit_params(eckey, pstr, pstrtype);
725 }
726}
727
35f6e7ea
VD
728static int ec_spki_pub_to_der(const void *eckey, unsigned char **pder,
729 ossl_unused void *ctx)
8ae40cf5 730{
6187d9ea
MC
731 if (EC_KEY_get0_public_key(eckey) == NULL) {
732 ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY);
733 return 0;
734 }
8ae40cf5
RL
735 return i2o_ECPublicKey(eckey, pder);
736}
737
35f6e7ea
VD
738static int ec_pki_priv_to_der(const void *veckey, unsigned char **pder,
739 ossl_unused void *ctx)
8ae40cf5
RL
740{
741 EC_KEY *eckey = (EC_KEY *)veckey;
742 unsigned int old_flags;
743 int ret = 0;
744
745 /*
746 * For PKCS8 the curve name appears in the PKCS8_PRIV_KEY_INFO object
747 * as the pkeyalg->parameter field. (For a named curve this is an OID)
748 * The pkey field is an octet string that holds the encoded
749 * ECPrivateKey SEQUENCE with the optional parameters field omitted.
750 * We omit this by setting the EC_PKEY_NO_PARAMETERS flag.
751 */
752 old_flags = EC_KEY_get_enc_flags(eckey); /* save old flags */
753 EC_KEY_set_enc_flags(eckey, old_flags | EC_PKEY_NO_PARAMETERS);
754 ret = i2d_ECPrivateKey(eckey, pder);
755 EC_KEY_set_enc_flags(eckey, old_flags); /* restore old flags */
756 return ret; /* return the length of the der encoded data */
757}
111dc4b0 758
35f6e7ea
VD
759k2d_NOCTX(ec_param, i2d_ECParameters)
760k2d_NOCTX(ec_prv, i2d_ECPrivateKey)
761
0195cdd2
RL
762# define ec_epki_priv_to_der ec_pki_priv_to_der
763
35f6e7ea 764# define ec_type_specific_params_to_der ec_param_k2d
2d495192 765/* No ec_type_specific_pub_to_der, there simply is no such thing */
35f6e7ea 766# define ec_type_specific_priv_to_der ec_prv_k2d
c319b627 767
111dc4b0
RL
768# define ec_check_key_type NULL
769# define ec_evp_type EVP_PKEY_EC
c319b627 770# define ec_pem_type "EC"
f2db0528
RL
771
772# ifndef OPENSSL_NO_SM2
1d490694
RL
773/*
774 * Albeit SM2 is a slightly different algorithm than ECDSA, the key type
775 * encoding (in all places where an AlgorithmIdentifier is produced, such
776 * as PrivateKeyInfo and SubjectPublicKeyInfo) is the same as for ECC keys
777 * according to the example in GM/T 0015-2012, appendix D.2.
778 * This leaves the distinction of SM2 keys to the EC group (which is found
779 * in AlgorithmIdentified.params).
780 */
781# define sm2_evp_type ec_evp_type
f2db0528
RL
782# define sm2_pem_type "SM2"
783# endif
8ae40cf5
RL
784#endif
785
786/* ---------------------------------------------------------------------- */
787
4032cd9a 788#ifndef OPENSSL_NO_ECX
8ae40cf5
RL
789# define prepare_ecx_params NULL
790
35f6e7ea
VD
791static int ecx_spki_pub_to_der(const void *vecxkey, unsigned char **pder,
792 ossl_unused void *ctx)
8ae40cf5
RL
793{
794 const ECX_KEY *ecxkey = vecxkey;
795 unsigned char *keyblob;
796
797 if (ecxkey == NULL) {
798 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
799 return 0;
800 }
801
802 keyblob = OPENSSL_memdup(ecxkey->pubkey, ecxkey->keylen);
e077455e 803 if (keyblob == NULL)
8ae40cf5 804 return 0;
8ae40cf5
RL
805
806 *pder = keyblob;
6f9683d6 807 return (int)ecxkey->keylen;
8ae40cf5
RL
808}
809
35f6e7ea
VD
810static int ecx_pki_priv_to_der(const void *vecxkey, unsigned char **pder,
811 ossl_unused void *ctx)
8ae40cf5
RL
812{
813 const ECX_KEY *ecxkey = vecxkey;
814 ASN1_OCTET_STRING oct;
815 int keybloblen;
816
817 if (ecxkey == NULL || ecxkey->privkey == NULL) {
818 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
819 return 0;
820 }
821
822 oct.data = ecxkey->privkey;
6f9683d6 823 oct.length = (int)ecxkey->keylen;
8ae40cf5
RL
824 oct.flags = 0;
825
826 keybloblen = i2d_ASN1_OCTET_STRING(&oct, pder);
827 if (keybloblen < 0) {
e077455e 828 ERR_raise(ERR_LIB_PROV, ERR_R_ASN1_LIB);
8ae40cf5
RL
829 return 0;
830 }
831
832 return keybloblen;
833}
834
0195cdd2
RL
835# define ecx_epki_priv_to_der ecx_pki_priv_to_der
836
c319b627
RL
837/*
838 * ED25519, ED448, X25519 and X448 only has PKCS#8 / SubjectPublicKeyInfo
839 * representation, so we don't define ecx_type_specific_[priv,pub,params]_to_der.
840 */
841
111dc4b0
RL
842# define ecx_check_key_type NULL
843
844# define ed25519_evp_type EVP_PKEY_ED25519
845# define ed448_evp_type EVP_PKEY_ED448
846# define x25519_evp_type EVP_PKEY_X25519
847# define x448_evp_type EVP_PKEY_X448
c319b627
RL
848# define ed25519_pem_type "ED25519"
849# define ed448_pem_type "ED448"
850# define x25519_pem_type "X25519"
851# define x448_pem_type "X448"
8ae40cf5
RL
852#endif
853
854/* ---------------------------------------------------------------------- */
855
df231a88 856#ifndef OPENSSL_NO_ML_DSA
c83e6c0a 857static int ml_dsa_spki_pub_to_der(const void *vkey, unsigned char **pder,
858 ossl_unused void *ctx)
df231a88 859{
5421423e 860 return ossl_ml_dsa_i2d_pubkey(vkey, pder);
df231a88 861}
862
c83e6c0a 863static int ml_dsa_pki_priv_to_der(const void *vkey, unsigned char **pder,
5421423e 864 void *vctx)
df231a88 865{
5421423e 866 KEY2ANY_CTX *ctx = vctx;
df231a88 867
5421423e 868 return ossl_ml_dsa_i2d_prvkey(vkey, pder, ctx->provctx);
df231a88 869}
870
871# define ml_dsa_epki_priv_to_der ml_dsa_pki_priv_to_der
872# define prepare_ml_dsa_params NULL
873# define ml_dsa_check_key_type NULL
874
875# define ml_dsa_44_evp_type EVP_PKEY_ML_DSA_44
876# define ml_dsa_44_pem_type "ML-DSA-44"
877# define ml_dsa_65_evp_type EVP_PKEY_ML_DSA_65
878# define ml_dsa_65_pem_type "ML-DSA-65"
879# define ml_dsa_87_evp_type EVP_PKEY_ML_DSA_87
880# define ml_dsa_87_pem_type "ML-DSA-87"
881#endif /* OPENSSL_NO_ML_DSA */
882
883/* ---------------------------------------------------------------------- */
884
b818a998
VD
885#ifndef OPENSSL_NO_ML_KEM
886
887static int ml_kem_spki_pub_to_der(const void *vkey, unsigned char **pder,
888 ossl_unused void *ctx)
889{
318994a1 890 return ossl_ml_kem_i2d_pubkey(vkey, pder);
b818a998
VD
891}
892
893static int ml_kem_pki_priv_to_der(const void *vkey, unsigned char **pder,
318994a1 894 void *vctx)
b818a998 895{
318994a1 896 KEY2ANY_CTX *ctx = vctx;
b818a998 897
5b2d996f 898 return ossl_ml_kem_i2d_prvkey(vkey, pder, ctx->provctx);
b818a998
VD
899}
900
901# define ml_kem_epki_priv_to_der ml_kem_pki_priv_to_der
902# define prepare_ml_kem_params NULL
903# define ml_kem_check_key_type NULL
904
905# define ml_kem_512_evp_type EVP_PKEY_ML_KEM_512
906# define ml_kem_512_pem_type "ML-KEM-512"
907# define ml_kem_768_evp_type EVP_PKEY_ML_KEM_768
908# define ml_kem_768_pem_type "ML-KEM-768"
909# define ml_kem_1024_evp_type EVP_PKEY_ML_KEM_1024
910# define ml_kem_1024_pem_type "ML-KEM-1024"
911#endif
912
913/* ---------------------------------------------------------------------- */
914
8ae40cf5
RL
915/*
916 * Helper functions to prepare RSA-PSS params for encoding. We would
917 * have simply written the whole AlgorithmIdentifier, but existing libcrypto
918 * functionality doesn't allow that.
919 */
920
78043fe8 921static int prepare_rsa_params(const void *rsa, int nid, int save,
8ae40cf5
RL
922 void **pstr, int *pstrtype)
923{
23b2fc0b 924 const RSA_PSS_PARAMS_30 *pss = ossl_rsa_get0_pss_params_30((RSA *)rsa);
8ae40cf5
RL
925
926 *pstr = NULL;
927
928 switch (RSA_test_flags(rsa, RSA_FLAG_TYPE_MASK)) {
929 case RSA_FLAG_TYPE_RSA:
930 /* If plain RSA, the parameters shall be NULL */
931 *pstrtype = V_ASN1_NULL;
932 return 1;
933 case RSA_FLAG_TYPE_RSASSAPSS:
23b2fc0b 934 if (ossl_rsa_pss_params_30_is_unrestricted(pss)) {
8ae40cf5
RL
935 *pstrtype = V_ASN1_UNDEF;
936 return 1;
937 } else {
938 ASN1_STRING *astr = NULL;
939 WPACKET pkt;
940 unsigned char *str = NULL;
941 size_t str_sz = 0;
942 int i;
943
944 for (i = 0; i < 2; i++) {
945 switch (i) {
946 case 0:
947 if (!WPACKET_init_null_der(&pkt))
948 goto err;
949 break;
950 case 1:
951 if ((str = OPENSSL_malloc(str_sz)) == NULL
952 || !WPACKET_init_der(&pkt, str, str_sz)) {
46def829 953 WPACKET_cleanup(&pkt);
8ae40cf5
RL
954 goto err;
955 }
956 break;
957 }
a55b00bd 958 if (!ossl_DER_w_RSASSA_PSS_params(&pkt, -1, pss)
8ae40cf5 959 || !WPACKET_finish(&pkt)
46def829
BE
960 || !WPACKET_get_total_written(&pkt, &str_sz)) {
961 WPACKET_cleanup(&pkt);
8ae40cf5 962 goto err;
46def829 963 }
8ae40cf5
RL
964 WPACKET_cleanup(&pkt);
965
966 /*
967 * If no PSS parameters are going to be written, there's no
968 * point going for another iteration.
969 * This saves us from getting |str| allocated just to have it
970 * immediately de-allocated.
971 */
972 if (str_sz == 0)
973 break;
974 }
975
976 if ((astr = ASN1_STRING_new()) == NULL)
977 goto err;
978 *pstrtype = V_ASN1_SEQUENCE;
979 ASN1_STRING_set0(astr, str, (int)str_sz);
980 *pstr = astr;
981
982 return 1;
983 err:
984 OPENSSL_free(str);
985 return 0;
986 }
987 }
988
989 /* Currently unsupported RSA key type */
990 return 0;
991}
992
35f6e7ea
VD
993k2d_NOCTX(rsa_prv, i2d_RSAPrivateKey)
994k2d_NOCTX(rsa_pub, i2d_RSAPublicKey)
995
c319b627
RL
996/*
997 * RSA is extremely simple, as PKCS#1 is used for the PKCS#8 |privateKey|
998 * field as well as the SubjectPublicKeyInfo |subjectPublicKey| field.
999 */
6a2b8ff3 1000#define rsa_pki_priv_to_der rsa_type_specific_priv_to_der
0195cdd2 1001#define rsa_epki_priv_to_der rsa_type_specific_priv_to_der
c319b627 1002#define rsa_spki_pub_to_der rsa_type_specific_pub_to_der
35f6e7ea
VD
1003#define rsa_type_specific_priv_to_der rsa_prv_k2d
1004#define rsa_type_specific_pub_to_der rsa_pub_k2d
c319b627 1005#define rsa_type_specific_params_to_der NULL
111dc4b0
RL
1006
1007static int rsa_check_key_type(const void *rsa, int expected_type)
1008{
1009 switch (RSA_test_flags(rsa, RSA_FLAG_TYPE_MASK)) {
1010 case RSA_FLAG_TYPE_RSA:
1011 return expected_type == EVP_PKEY_RSA;
1012 case RSA_FLAG_TYPE_RSASSAPSS:
1013 return expected_type == EVP_PKEY_RSA_PSS;
1014 }
1015
1016 /* Currently unsupported RSA key type */
1017 return EVP_PKEY_NONE;
1018}
1019
1020#define rsa_evp_type EVP_PKEY_RSA
1021#define rsapss_evp_type EVP_PKEY_RSA_PSS
c319b627
RL
1022#define rsa_pem_type "RSA"
1023#define rsapss_pem_type "RSA-PSS"
8ae40cf5
RL
1024
1025/* ---------------------------------------------------------------------- */
1026
a25bcde2 1027#ifndef OPENSSL_NO_SLH_DSA
1028# define prepare_slh_dsa_params NULL
1029
67d52a55 1030static int slh_dsa_spki_pub_to_der(const void *vkey, unsigned char **pder,
1031 ossl_unused void *ctx)
a25bcde2 1032{
1033 const SLH_DSA_KEY *key = vkey;
1034 uint8_t *key_blob;
1035 size_t key_len;
1036
1037 if (key == NULL) {
1038 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
1039 return 0;
1040 }
1041 key_len = ossl_slh_dsa_key_get_pub_len(key);
1042 key_blob = OPENSSL_memdup(ossl_slh_dsa_key_get_pub(key), key_len);
1043 if (key_blob == NULL)
1044 return 0;
1045
1046 *pder = key_blob;
6f9683d6 1047 return (int)key_len;
a25bcde2 1048}
1049
67d52a55 1050static int slh_dsa_pki_priv_to_der(const void *vkey, unsigned char **pder,
1051 ossl_unused void *ctx)
a25bcde2 1052{
1053 const SLH_DSA_KEY *key = vkey;
8f86a75f 1054 size_t len;
a25bcde2 1055
8f86a75f 1056 if (ossl_slh_dsa_key_get_priv(key) == NULL) {
a25bcde2 1057 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
1058 return 0;
1059 }
8f86a75f 1060 len = ossl_slh_dsa_key_get_priv_len(key);
a25bcde2 1061
8f86a75f 1062 if (pder != NULL
1063 && ((*pder = OPENSSL_memdup(ossl_slh_dsa_key_get_priv(key), len)) == NULL))
a25bcde2 1064 return 0;
a25bcde2 1065
6f9683d6 1066 return (int)len;
a25bcde2 1067}
1068# define slh_dsa_epki_priv_to_der slh_dsa_pki_priv_to_der
1069
1070/* SLH_DSA only has PKCS#8 / SubjectPublicKeyInfo representations. */
1071
1072# define slh_dsa_check_key_type NULL
1073# define slh_dsa_sha2_128s_evp_type EVP_PKEY_SLH_DSA_SHA2_128S
1074# define slh_dsa_sha2_128f_evp_type EVP_PKEY_SLH_DSA_SHA2_128F
1075# define slh_dsa_sha2_192s_evp_type EVP_PKEY_SLH_DSA_SHA2_192S
1076# define slh_dsa_sha2_192f_evp_type EVP_PKEY_SLH_DSA_SHA2_192F
1077# define slh_dsa_sha2_256s_evp_type EVP_PKEY_SLH_DSA_SHA2_256S
1078# define slh_dsa_sha2_256f_evp_type EVP_PKEY_SLH_DSA_SHA2_256F
1079# define slh_dsa_shake_128s_evp_type EVP_PKEY_SLH_DSA_SHAKE_128S
1080# define slh_dsa_shake_128f_evp_type EVP_PKEY_SLH_DSA_SHAKE_128F
1081# define slh_dsa_shake_192s_evp_type EVP_PKEY_SLH_DSA_SHAKE_192S
1082# define slh_dsa_shake_192f_evp_type EVP_PKEY_SLH_DSA_SHAKE_192F
1083# define slh_dsa_shake_256s_evp_type EVP_PKEY_SLH_DSA_SHAKE_256S
1084# define slh_dsa_shake_256f_evp_type EVP_PKEY_SLH_DSA_SHAKE_256F
1085# define slh_dsa_sha2_128s_input_type "SLH-DSA-SHA2-128s"
1086# define slh_dsa_sha2_128f_input_type "SLH-DSA-SHA2-128f"
1087# define slh_dsa_sha2_192s_input_type "SLH-DSA-SHA2-192s"
1088# define slh_dsa_sha2_192f_input_type "SLH-DSA-SHA2-192f"
1089# define slh_dsa_sha2_256s_input_type "SLH-DSA-SHA2-256s"
1090# define slh_dsa_sha2_256f_input_type "SLH-DSA-SHA2-256f"
1091# define slh_dsa_shake_128s_input_type "SLH-DSA-SHAKE-128s"
1092# define slh_dsa_shake_128f_input_type "SLH-DSA-SHAKE-128f"
1093# define slh_dsa_shake_192s_input_type "SLH-DSA-SHAKE-192s"
1094# define slh_dsa_shake_192f_input_type "SLH-DSA-SHAKE-192f"
1095# define slh_dsa_shake_256s_input_type "SLH-DSA-SHAKE-256s"
1096# define slh_dsa_shake_256f_input_type "SLH-DSA-SHAKE-256f"
1097# define slh_dsa_sha2_128s_pem_type "SLH-DSA-SHA2-128s"
1098# define slh_dsa_sha2_128f_pem_type "SLH-DSA-SHA2-128f"
1099# define slh_dsa_sha2_192s_pem_type "SLH-DSA-SHA2-192s"
1100# define slh_dsa_sha2_192f_pem_type "SLH-DSA-SHA2-192f"
1101# define slh_dsa_sha2_256s_pem_type "SLH-DSA-SHA2-256s"
1102# define slh_dsa_sha2_256f_pem_type "SLH-DSA-SHA2-256f"
1103# define slh_dsa_shake_128s_pem_type "SLH-DSA-SHAKE-128s"
1104# define slh_dsa_shake_128f_pem_type "SLH-DSA-SHAKE-128f"
1105# define slh_dsa_shake_192s_pem_type "SLH-DSA-SHAKE-192s"
1106# define slh_dsa_shake_192f_pem_type "SLH-DSA-SHAKE-192f"
1107# define slh_dsa_shake_256s_pem_type "SLH-DSA-SHAKE-256s"
1108# define slh_dsa_shake_256f_pem_type "SLH-DSA-SHAKE-256f"
8f86a75f 1109#endif /* OPENSSL_NO_SLH_DSA */
a25bcde2 1110
1111/* ---------------------------------------------------------------------- */
1112
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1113static OSSL_FUNC_decoder_newctx_fn key2any_newctx;
1114static OSSL_FUNC_decoder_freectx_fn key2any_freectx;
1115
1116static void *key2any_newctx(void *provctx)
1117{
35f6e7ea 1118 KEY2ANY_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
8ae40cf5 1119
78043fe8 1120 if (ctx != NULL) {
8ae40cf5 1121 ctx->provctx = provctx;
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1122 ctx->save_parameters = 1;
1123 }
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1124
1125 return ctx;
1126}
1127
1128static void key2any_freectx(void *vctx)
1129{
35f6e7ea 1130 KEY2ANY_CTX *ctx = vctx;
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1131
1132 ossl_pw_clear_passphrase_data(&ctx->pwdata);
1133 EVP_CIPHER_free(ctx->cipher);
1134 OPENSSL_free(ctx);
1135}
1136
1137static const OSSL_PARAM *key2any_settable_ctx_params(ossl_unused void *provctx)
1138{
1139 static const OSSL_PARAM settables[] = {
1140 OSSL_PARAM_utf8_string(OSSL_ENCODER_PARAM_CIPHER, NULL, 0),
1141 OSSL_PARAM_utf8_string(OSSL_ENCODER_PARAM_PROPERTIES, NULL, 0),
1142 OSSL_PARAM_END,
1143 };
1144
1145 return settables;
1146}
1147
1148static int key2any_set_ctx_params(void *vctx, const OSSL_PARAM params[])
1149{
35f6e7ea 1150 KEY2ANY_CTX *ctx = vctx;
a829b735 1151 OSSL_LIB_CTX *libctx = ossl_prov_ctx_get0_libctx(ctx->provctx);
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1152 const OSSL_PARAM *cipherp =
1153 OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_CIPHER);
1154 const OSSL_PARAM *propsp =
1155 OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_PROPERTIES);
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1156 const OSSL_PARAM *save_paramsp =
1157 OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_SAVE_PARAMETERS);
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1158
1159 if (cipherp != NULL) {
1160 const char *ciphername = NULL;
1161 const char *props = NULL;
1162
1163 if (!OSSL_PARAM_get_utf8_string_ptr(cipherp, &ciphername))
1164 return 0;
1165 if (propsp != NULL && !OSSL_PARAM_get_utf8_string_ptr(propsp, &props))
1166 return 0;
1167
1168 EVP_CIPHER_free(ctx->cipher);
c319b627 1169 ctx->cipher = NULL;
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1170 ctx->cipher_intent = ciphername != NULL;
1171 if (ciphername != NULL
1172 && ((ctx->cipher =
1173 EVP_CIPHER_fetch(libctx, ciphername, props)) == NULL))
1174 return 0;
1175 }
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1176
1177 if (save_paramsp != NULL) {
1178 if (!OSSL_PARAM_get_int(save_paramsp, &ctx->save_parameters))
1179 return 0;
1180 }
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1181 return 1;
1182}
1183
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1184static int key2any_check_selection(int selection, int selection_mask)
1185{
1186 /*
1187 * The selections are kinda sorta "levels", i.e. each selection given
1188 * here is assumed to include those following.
1189 */
1190 int checks[] = {
1191 OSSL_KEYMGMT_SELECT_PRIVATE_KEY,
1192 OSSL_KEYMGMT_SELECT_PUBLIC_KEY,
1193 OSSL_KEYMGMT_SELECT_ALL_PARAMETERS
1194 };
1195 size_t i;
1196
1197 /* The decoder implementations made here support guessing */
1198 if (selection == 0)
1199 return 1;
1200
1201 for (i = 0; i < OSSL_NELEM(checks); i++) {
1202 int check1 = (selection & checks[i]) != 0;
1203 int check2 = (selection_mask & checks[i]) != 0;
1204
1205 /*
1206 * If the caller asked for the currently checked bit(s), return
1207 * whether the decoder description says it's supported.
1208 */
1209 if (check1)
1210 return check2;
1211 }
1212
1213 /* This should be dead code, but just to be safe... */
1214 return 0;
1215}
1216
35f6e7ea 1217static int key2any_encode(KEY2ANY_CTX *ctx, OSSL_CORE_BIO *cout,
c319b627 1218 const void *key, int type, const char *pemname,
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1219 check_key_type_fn *checker,
1220 key_to_der_fn *writer,
c319b627 1221 OSSL_PASSPHRASE_CALLBACK *pwcb, void *pwcbarg,
8ae40cf5 1222 key_to_paramstring_fn *key2paramstring,
35f6e7ea 1223 OSSL_i2d_of_void_ctx *key2der)
8ae40cf5 1224{
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1225 int ret = 0;
1226
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1227 if (key == NULL) {
1228 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
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1229 } else if (writer != NULL
1230 && (checker == NULL || checker(key, type))) {
9500c823 1231 BIO *out = ossl_bio_new_from_core_bio(ctx->provctx, cout);
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1232
1233 if (out != NULL
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1234 && (pwcb == NULL
1235 || ossl_pw_set_ossl_passphrase_cb(&ctx->pwdata, pwcb, pwcbarg)))
1236 ret =
1237 writer(out, key, type, pemname, key2paramstring, key2der, ctx);
8ae40cf5 1238
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1239 BIO_free(out);
1240 } else {
1241 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT);
1242 }
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1243 return ret;
1244}
1245
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1246#define DO_PRIVATE_KEY_selection_mask OSSL_KEYMGMT_SELECT_PRIVATE_KEY
1247#define DO_PRIVATE_KEY(impl, type, kind, output) \
1248 if ((selection & DO_PRIVATE_KEY_selection_mask) != 0) \
1249 return key2any_encode(ctx, cout, key, impl##_evp_type, \
1250 impl##_pem_type " PRIVATE KEY", \
1251 type##_check_key_type, \
1252 key_to_##kind##_##output##_priv_bio, \
1253 cb, cbarg, prepare_##type##_params, \
1254 type##_##kind##_priv_to_der);
1255
1256#define DO_PUBLIC_KEY_selection_mask OSSL_KEYMGMT_SELECT_PUBLIC_KEY
1257#define DO_PUBLIC_KEY(impl, type, kind, output) \
1258 if ((selection & DO_PUBLIC_KEY_selection_mask) != 0) \
1259 return key2any_encode(ctx, cout, key, impl##_evp_type, \
1260 impl##_pem_type " PUBLIC KEY", \
1261 type##_check_key_type, \
1262 key_to_##kind##_##output##_pub_bio, \
1263 cb, cbarg, prepare_##type##_params, \
1264 type##_##kind##_pub_to_der);
1265
1266#define DO_PARAMETERS_selection_mask OSSL_KEYMGMT_SELECT_ALL_PARAMETERS
1267#define DO_PARAMETERS(impl, type, kind, output) \
1268 if ((selection & DO_PARAMETERS_selection_mask) != 0) \
1269 return key2any_encode(ctx, cout, key, impl##_evp_type, \
1270 impl##_pem_type " PARAMETERS", \
1271 type##_check_key_type, \
1272 key_to_##kind##_##output##_param_bio, \
1273 NULL, NULL, NULL, \
1274 type##_##kind##_params_to_der);
1275
1276/*-
1277 * Implement the kinds of output structure that can be produced. They are
1278 * referred to by name, and for each name, the following macros are defined
1279 * (braces not included):
1280 *
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1281 * DO_{kind}_selection_mask
1282 *
1283 * A mask of selection bits that must not be zero. This is used as a
1284 * selection criterion for each implementation.
1285 * This mask must never be zero.
1286 *
1287 * DO_{kind}
1288 *
1289 * The performing macro. It must use the DO_ macros defined above,
1290 * always in this order:
1291 *
1292 * - DO_PRIVATE_KEY
1293 * - DO_PUBLIC_KEY
1294 * - DO_PARAMETERS
1295 *
1296 * Any of those may be omitted, but the relative order must still be
1297 * the same.
1298 */
8ae40cf5 1299
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1300/*
1301 * PKCS#8 defines two structures for private keys only:
1302 * - PrivateKeyInfo (raw unencrypted form)
1303 * - EncryptedPrivateKeyInfo (encrypted wrapping)
1304 *
1305 * To allow a certain amount of flexibility, we allow the routines
1306 * for PrivateKeyInfo to also produce EncryptedPrivateKeyInfo if a
1307 * passphrase callback has been passed to them.
1308 */
1309#define DO_PrivateKeyInfo_selection_mask DO_PRIVATE_KEY_selection_mask
1310#define DO_PrivateKeyInfo(impl, type, output) \
1311 DO_PRIVATE_KEY(impl, type, pki, output)
111dc4b0 1312
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1313#define DO_EncryptedPrivateKeyInfo_selection_mask DO_PRIVATE_KEY_selection_mask
1314#define DO_EncryptedPrivateKeyInfo(impl, type, output) \
1315 DO_PRIVATE_KEY(impl, type, epki, output)
1316
c319b627 1317/* SubjectPublicKeyInfo is a structure for public keys only */
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1318#define DO_SubjectPublicKeyInfo_selection_mask DO_PUBLIC_KEY_selection_mask
1319#define DO_SubjectPublicKeyInfo(impl, type, output) \
1320 DO_PUBLIC_KEY(impl, type, spki, output)
8ae40cf5 1321
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1322/*
1323 * "type-specific" is a uniform name for key type specific output for private
1324 * and public keys as well as key parameters. This is used internally in
1325 * libcrypto so it doesn't have to have special knowledge about select key
1326 * types, but also when no better name has been found. If there are more
1327 * expressive DO_ names above, those are preferred.
1328 *
1329 * Three forms exist:
1330 *
1331 * - type_specific_keypair Only supports private and public key
1332 * - type_specific_params Only supports parameters
1333 * - type_specific Supports all parts of an EVP_PKEY
1334 * - type_specific_no_pub Supports all parts of an EVP_PKEY
1335 * except public key
1336 */
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1337#define DO_type_specific_params_selection_mask DO_PARAMETERS_selection_mask
1338#define DO_type_specific_params(impl, type, output) \
1339 DO_PARAMETERS(impl, type, type_specific, output)
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1340#define DO_type_specific_keypair_selection_mask \
1341 ( DO_PRIVATE_KEY_selection_mask | DO_PUBLIC_KEY_selection_mask )
1342#define DO_type_specific_keypair(impl, type, output) \
1343 DO_PRIVATE_KEY(impl, type, type_specific, output) \
1344 DO_PUBLIC_KEY(impl, type, type_specific, output)
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1345#define DO_type_specific_selection_mask \
1346 ( DO_type_specific_keypair_selection_mask \
1347 | DO_type_specific_params_selection_mask )
1348#define DO_type_specific(impl, type, output) \
1349 DO_type_specific_keypair(impl, type, output) \
1350 DO_type_specific_params(impl, type, output)
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1351#define DO_type_specific_no_pub_selection_mask \
1352 ( DO_PRIVATE_KEY_selection_mask | DO_PARAMETERS_selection_mask)
1353#define DO_type_specific_no_pub(impl, type, output) \
1354 DO_PRIVATE_KEY(impl, type, type_specific, output) \
1355 DO_type_specific_params(impl, type, output)
8ae40cf5 1356
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1357/*
1358 * Type specific aliases for the cases where we need to refer to them by
1359 * type name.
1360 * This only covers key types that are represented with i2d_{TYPE}PrivateKey,
1361 * i2d_{TYPE}PublicKey and i2d_{TYPE}params / i2d_{TYPE}Parameters.
1362 */
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1363#define DO_RSA_selection_mask DO_type_specific_keypair_selection_mask
1364#define DO_RSA(impl, type, output) DO_type_specific_keypair(impl, type, output)
1365
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1366#define DO_DH_selection_mask DO_type_specific_params_selection_mask
1367#define DO_DH(impl, type, output) DO_type_specific_params(impl, type, output)
1368
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1369#define DO_DHX_selection_mask DO_type_specific_params_selection_mask
1370#define DO_DHX(impl, type, output) DO_type_specific_params(impl, type, output)
1371
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1372#define DO_DSA_selection_mask DO_type_specific_selection_mask
1373#define DO_DSA(impl, type, output) DO_type_specific(impl, type, output)
1374
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1375#define DO_EC_selection_mask DO_type_specific_no_pub_selection_mask
1376#define DO_EC(impl, type, output) DO_type_specific_no_pub(impl, type, output)
c319b627 1377
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1378#define DO_SM2_selection_mask DO_type_specific_no_pub_selection_mask
1379#define DO_SM2(impl, type, output) DO_type_specific_no_pub(impl, type, output)
f2db0528 1380
c319b627 1381/* PKCS#1 defines a structure for RSA private and public keys */
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1382#define DO_PKCS1_selection_mask DO_RSA_selection_mask
1383#define DO_PKCS1(impl, type, output) DO_RSA(impl, type, output)
1384
1385/* PKCS#3 defines a structure for DH parameters */
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1386#define DO_PKCS3_selection_mask DO_DH_selection_mask
1387#define DO_PKCS3(impl, type, output) DO_DH(impl, type, output)
1388/* X9.42 defines a structure for DHx parameters */
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1389#define DO_X9_42_selection_mask DO_DHX_selection_mask
1390#define DO_X9_42(impl, type, output) DO_DHX(impl, type, output)
1391
1392/* X9.62 defines a structure for EC keys and parameters */
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1393#define DO_X9_62_selection_mask DO_EC_selection_mask
1394#define DO_X9_62(impl, type, output) DO_EC(impl, type, output)
8ae40cf5 1395
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1396/*
1397 * MAKE_ENCODER is the single driver for creating OSSL_DISPATCH tables.
1398 * It takes the following arguments:
1399 *
1400 * impl This is the key type name that's being implemented.
1401 * type This is the type name for the set of functions that implement
1402 * the key type. For example, ed25519, ed448, x25519 and x448
1403 * are all implemented with the exact same set of functions.
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1404 * kind What kind of support to implement. These translate into
1405 * the DO_##kind macros above.
1406 * output The output type to implement. may be der or pem.
1407 *
1408 * The resulting OSSL_DISPATCH array gets the following name (expressed in
1409 * C preprocessor terms) from those arguments:
1410 *
1411 * ossl_##impl##_to_##kind##_##output##_encoder_functions
1412 */
0cacf9be 1413#define MAKE_ENCODER(impl, type, kind, output) \
111dc4b0 1414 static OSSL_FUNC_encoder_import_object_fn \
c319b627 1415 impl##_to_##kind##_##output##_import_object; \
111dc4b0 1416 static OSSL_FUNC_encoder_free_object_fn \
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1417 impl##_to_##kind##_##output##_free_object; \
1418 static OSSL_FUNC_encoder_encode_fn \
1419 impl##_to_##kind##_##output##_encode; \
111dc4b0 1420 \
111dc4b0 1421 static void * \
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1422 impl##_to_##kind##_##output##_import_object(void *vctx, int selection, \
1423 const OSSL_PARAM params[]) \
111dc4b0 1424 { \
35f6e7ea 1425 KEY2ANY_CTX *ctx = vctx; \
c319b627 1426 \
1be63951 1427 return ossl_prov_import_key(ossl_##impl##_keymgmt_functions, \
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1428 ctx->provctx, selection, params); \
1429 } \
c319b627 1430 static void impl##_to_##kind##_##output##_free_object(void *key) \
111dc4b0 1431 { \
1be63951 1432 ossl_prov_free_key(ossl_##impl##_keymgmt_functions, key); \
111dc4b0 1433 } \
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1434 static int impl##_to_##kind##_##output##_does_selection(void *ctx, \
1435 int selection) \
1436 { \
1437 return key2any_check_selection(selection, \
1438 DO_##kind##_selection_mask); \
1439 } \
111dc4b0 1440 static int \
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1441 impl##_to_##kind##_##output##_encode(void *ctx, OSSL_CORE_BIO *cout, \
1442 const void *key, \
1443 const OSSL_PARAM key_abstract[], \
1444 int selection, \
1445 OSSL_PASSPHRASE_CALLBACK *cb, \
1446 void *cbarg) \
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1447 { \
1448 /* We don't deal with abstract objects */ \
1449 if (key_abstract != NULL) { \
1450 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); \
1451 return 0; \
1452 } \
c319b627 1453 DO_##kind(impl, type, output) \
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1454 \
1455 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); \
1456 return 0; \
1457 } \
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1458 const OSSL_DISPATCH \
1459 ossl_##impl##_to_##kind##_##output##_encoder_functions[] = { \
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1460 { OSSL_FUNC_ENCODER_NEWCTX, \
1461 (void (*)(void))key2any_newctx }, \
1462 { OSSL_FUNC_ENCODER_FREECTX, \
1463 (void (*)(void))key2any_freectx }, \
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1464 { OSSL_FUNC_ENCODER_SETTABLE_CTX_PARAMS, \
1465 (void (*)(void))key2any_settable_ctx_params }, \
1466 { OSSL_FUNC_ENCODER_SET_CTX_PARAMS, \
1467 (void (*)(void))key2any_set_ctx_params }, \
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1468 { OSSL_FUNC_ENCODER_DOES_SELECTION, \
1469 (void (*)(void))impl##_to_##kind##_##output##_does_selection }, \
111dc4b0 1470 { OSSL_FUNC_ENCODER_IMPORT_OBJECT, \
c319b627 1471 (void (*)(void))impl##_to_##kind##_##output##_import_object }, \
111dc4b0 1472 { OSSL_FUNC_ENCODER_FREE_OBJECT, \
c319b627 1473 (void (*)(void))impl##_to_##kind##_##output##_free_object }, \
111dc4b0 1474 { OSSL_FUNC_ENCODER_ENCODE, \
c319b627 1475 (void (*)(void))impl##_to_##kind##_##output##_encode }, \
1e6bd31e 1476 OSSL_DISPATCH_END \
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1477 }
1478
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1479/*
1480 * Replacements for i2d_{TYPE}PrivateKey, i2d_{TYPE}PublicKey,
1481 * i2d_{TYPE}params, as they exist.
1482 */
0cacf9be 1483MAKE_ENCODER(rsa, rsa, type_specific_keypair, der);
8ae40cf5 1484#ifndef OPENSSL_NO_DH
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1485MAKE_ENCODER(dh, dh, type_specific_params, der);
1486MAKE_ENCODER(dhx, dh, type_specific_params, der);
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1487#endif
1488#ifndef OPENSSL_NO_DSA
0cacf9be 1489MAKE_ENCODER(dsa, dsa, type_specific, der);
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1490#endif
1491#ifndef OPENSSL_NO_EC
0cacf9be 1492MAKE_ENCODER(ec, ec, type_specific_no_pub, der);
f2db0528 1493# ifndef OPENSSL_NO_SM2
0cacf9be 1494MAKE_ENCODER(sm2, ec, type_specific_no_pub, der);
f2db0528 1495# endif
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1496#endif
1497
1498/*
1499 * Replacements for PEM_write_bio_{TYPE}PrivateKey,
1500 * PEM_write_bio_{TYPE}PublicKey, PEM_write_bio_{TYPE}params, as they exist.
1501 */
0cacf9be 1502MAKE_ENCODER(rsa, rsa, type_specific_keypair, pem);
c319b627 1503#ifndef OPENSSL_NO_DH
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1504MAKE_ENCODER(dh, dh, type_specific_params, pem);
1505MAKE_ENCODER(dhx, dh, type_specific_params, pem);
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1506#endif
1507#ifndef OPENSSL_NO_DSA
0cacf9be 1508MAKE_ENCODER(dsa, dsa, type_specific, pem);
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1509#endif
1510#ifndef OPENSSL_NO_EC
0cacf9be 1511MAKE_ENCODER(ec, ec, type_specific_no_pub, pem);
f2db0528 1512# ifndef OPENSSL_NO_SM2
0cacf9be 1513MAKE_ENCODER(sm2, ec, type_specific_no_pub, pem);
f2db0528 1514# endif
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1515#endif
1516
1517/*
1518 * PKCS#8 and SubjectPublicKeyInfo support. This may duplicate some of the
1519 * implementations specified above, but are more specific.
1520 * The SubjectPublicKeyInfo implementations also replace the
1521 * PEM_write_bio_{TYPE}_PUBKEY functions.
1522 * For PEM, these are expected to be used by PEM_write_bio_PrivateKey(),
1523 * PEM_write_bio_PUBKEY() and PEM_write_bio_Parameters().
1524 */
0cacf9be
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1525MAKE_ENCODER(rsa, rsa, EncryptedPrivateKeyInfo, der);
1526MAKE_ENCODER(rsa, rsa, EncryptedPrivateKeyInfo, pem);
1527MAKE_ENCODER(rsa, rsa, PrivateKeyInfo, der);
1528MAKE_ENCODER(rsa, rsa, PrivateKeyInfo, pem);
1529MAKE_ENCODER(rsa, rsa, SubjectPublicKeyInfo, der);
1530MAKE_ENCODER(rsa, rsa, SubjectPublicKeyInfo, pem);
1531MAKE_ENCODER(rsapss, rsa, EncryptedPrivateKeyInfo, der);
1532MAKE_ENCODER(rsapss, rsa, EncryptedPrivateKeyInfo, pem);
1533MAKE_ENCODER(rsapss, rsa, PrivateKeyInfo, der);
1534MAKE_ENCODER(rsapss, rsa, PrivateKeyInfo, pem);
1535MAKE_ENCODER(rsapss, rsa, SubjectPublicKeyInfo, der);
1536MAKE_ENCODER(rsapss, rsa, SubjectPublicKeyInfo, pem);
c319b627 1537#ifndef OPENSSL_NO_DH
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1538MAKE_ENCODER(dh, dh, EncryptedPrivateKeyInfo, der);
1539MAKE_ENCODER(dh, dh, EncryptedPrivateKeyInfo, pem);
1540MAKE_ENCODER(dh, dh, PrivateKeyInfo, der);
1541MAKE_ENCODER(dh, dh, PrivateKeyInfo, pem);
1542MAKE_ENCODER(dh, dh, SubjectPublicKeyInfo, der);
1543MAKE_ENCODER(dh, dh, SubjectPublicKeyInfo, pem);
1544MAKE_ENCODER(dhx, dh, EncryptedPrivateKeyInfo, der);
1545MAKE_ENCODER(dhx, dh, EncryptedPrivateKeyInfo, pem);
1546MAKE_ENCODER(dhx, dh, PrivateKeyInfo, der);
1547MAKE_ENCODER(dhx, dh, PrivateKeyInfo, pem);
1548MAKE_ENCODER(dhx, dh, SubjectPublicKeyInfo, der);
1549MAKE_ENCODER(dhx, dh, SubjectPublicKeyInfo, pem);
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1550#endif
1551#ifndef OPENSSL_NO_DSA
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1552MAKE_ENCODER(dsa, dsa, EncryptedPrivateKeyInfo, der);
1553MAKE_ENCODER(dsa, dsa, EncryptedPrivateKeyInfo, pem);
1554MAKE_ENCODER(dsa, dsa, PrivateKeyInfo, der);
1555MAKE_ENCODER(dsa, dsa, PrivateKeyInfo, pem);
1556MAKE_ENCODER(dsa, dsa, SubjectPublicKeyInfo, der);
1557MAKE_ENCODER(dsa, dsa, SubjectPublicKeyInfo, pem);
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1558#endif
1559#ifndef OPENSSL_NO_EC
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1560MAKE_ENCODER(ec, ec, EncryptedPrivateKeyInfo, der);
1561MAKE_ENCODER(ec, ec, EncryptedPrivateKeyInfo, pem);
1562MAKE_ENCODER(ec, ec, PrivateKeyInfo, der);
1563MAKE_ENCODER(ec, ec, PrivateKeyInfo, pem);
1564MAKE_ENCODER(ec, ec, SubjectPublicKeyInfo, der);
1565MAKE_ENCODER(ec, ec, SubjectPublicKeyInfo, pem);
f2db0528 1566# ifndef OPENSSL_NO_SM2
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1567MAKE_ENCODER(sm2, ec, EncryptedPrivateKeyInfo, der);
1568MAKE_ENCODER(sm2, ec, EncryptedPrivateKeyInfo, pem);
1569MAKE_ENCODER(sm2, ec, PrivateKeyInfo, der);
1570MAKE_ENCODER(sm2, ec, PrivateKeyInfo, pem);
1571MAKE_ENCODER(sm2, ec, SubjectPublicKeyInfo, der);
1572MAKE_ENCODER(sm2, ec, SubjectPublicKeyInfo, pem);
f2db0528 1573# endif
4032cd9a 1574# ifndef OPENSSL_NO_ECX
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1575MAKE_ENCODER(ed25519, ecx, EncryptedPrivateKeyInfo, der);
1576MAKE_ENCODER(ed25519, ecx, EncryptedPrivateKeyInfo, pem);
1577MAKE_ENCODER(ed25519, ecx, PrivateKeyInfo, der);
1578MAKE_ENCODER(ed25519, ecx, PrivateKeyInfo, pem);
1579MAKE_ENCODER(ed25519, ecx, SubjectPublicKeyInfo, der);
1580MAKE_ENCODER(ed25519, ecx, SubjectPublicKeyInfo, pem);
1581MAKE_ENCODER(ed448, ecx, EncryptedPrivateKeyInfo, der);
1582MAKE_ENCODER(ed448, ecx, EncryptedPrivateKeyInfo, pem);
1583MAKE_ENCODER(ed448, ecx, PrivateKeyInfo, der);
1584MAKE_ENCODER(ed448, ecx, PrivateKeyInfo, pem);
1585MAKE_ENCODER(ed448, ecx, SubjectPublicKeyInfo, der);
1586MAKE_ENCODER(ed448, ecx, SubjectPublicKeyInfo, pem);
1587MAKE_ENCODER(x25519, ecx, EncryptedPrivateKeyInfo, der);
1588MAKE_ENCODER(x25519, ecx, EncryptedPrivateKeyInfo, pem);
1589MAKE_ENCODER(x25519, ecx, PrivateKeyInfo, der);
1590MAKE_ENCODER(x25519, ecx, PrivateKeyInfo, pem);
1591MAKE_ENCODER(x25519, ecx, SubjectPublicKeyInfo, der);
1592MAKE_ENCODER(x25519, ecx, SubjectPublicKeyInfo, pem);
1593MAKE_ENCODER(x448, ecx, EncryptedPrivateKeyInfo, der);
1594MAKE_ENCODER(x448, ecx, EncryptedPrivateKeyInfo, pem);
1595MAKE_ENCODER(x448, ecx, PrivateKeyInfo, der);
1596MAKE_ENCODER(x448, ecx, PrivateKeyInfo, pem);
1597MAKE_ENCODER(x448, ecx, SubjectPublicKeyInfo, der);
1598MAKE_ENCODER(x448, ecx, SubjectPublicKeyInfo, pem);
4032cd9a 1599# endif
c319b627 1600#endif
a25bcde2 1601#ifndef OPENSSL_NO_SLH_DSA
67d52a55 1602MAKE_ENCODER(slh_dsa_sha2_128s, slh_dsa, EncryptedPrivateKeyInfo, der);
1603MAKE_ENCODER(slh_dsa_sha2_128f, slh_dsa, EncryptedPrivateKeyInfo, der);
1604MAKE_ENCODER(slh_dsa_sha2_192s, slh_dsa, EncryptedPrivateKeyInfo, der);
1605MAKE_ENCODER(slh_dsa_sha2_192f, slh_dsa, EncryptedPrivateKeyInfo, der);
1606MAKE_ENCODER(slh_dsa_sha2_256s, slh_dsa, EncryptedPrivateKeyInfo, der);
1607MAKE_ENCODER(slh_dsa_sha2_256f, slh_dsa, EncryptedPrivateKeyInfo, der);
1608MAKE_ENCODER(slh_dsa_sha2_128s, slh_dsa, EncryptedPrivateKeyInfo, pem);
1609MAKE_ENCODER(slh_dsa_sha2_128f, slh_dsa, EncryptedPrivateKeyInfo, pem);
1610MAKE_ENCODER(slh_dsa_sha2_192s, slh_dsa, EncryptedPrivateKeyInfo, pem);
1611MAKE_ENCODER(slh_dsa_sha2_192f, slh_dsa, EncryptedPrivateKeyInfo, pem);
1612MAKE_ENCODER(slh_dsa_sha2_256s, slh_dsa, EncryptedPrivateKeyInfo, pem);
1613MAKE_ENCODER(slh_dsa_sha2_256f, slh_dsa, EncryptedPrivateKeyInfo, pem);
1614MAKE_ENCODER(slh_dsa_shake_128s, slh_dsa, EncryptedPrivateKeyInfo, der);
1615MAKE_ENCODER(slh_dsa_shake_128f, slh_dsa, EncryptedPrivateKeyInfo, der);
1616MAKE_ENCODER(slh_dsa_shake_192s, slh_dsa, EncryptedPrivateKeyInfo, der);
1617MAKE_ENCODER(slh_dsa_shake_192f, slh_dsa, EncryptedPrivateKeyInfo, der);
1618MAKE_ENCODER(slh_dsa_shake_256s, slh_dsa, EncryptedPrivateKeyInfo, der);
1619MAKE_ENCODER(slh_dsa_shake_256f, slh_dsa, EncryptedPrivateKeyInfo, der);
1620MAKE_ENCODER(slh_dsa_shake_128s, slh_dsa, EncryptedPrivateKeyInfo, pem);
1621MAKE_ENCODER(slh_dsa_shake_128f, slh_dsa, EncryptedPrivateKeyInfo, pem);
1622MAKE_ENCODER(slh_dsa_shake_192s, slh_dsa, EncryptedPrivateKeyInfo, pem);
1623MAKE_ENCODER(slh_dsa_shake_192f, slh_dsa, EncryptedPrivateKeyInfo, pem);
1624MAKE_ENCODER(slh_dsa_shake_256s, slh_dsa, EncryptedPrivateKeyInfo, pem);
1625MAKE_ENCODER(slh_dsa_shake_256f, slh_dsa, EncryptedPrivateKeyInfo, pem);
1626MAKE_ENCODER(slh_dsa_sha2_128s, slh_dsa, PrivateKeyInfo, der);
1627MAKE_ENCODER(slh_dsa_sha2_128f, slh_dsa, PrivateKeyInfo, der);
1628MAKE_ENCODER(slh_dsa_sha2_192s, slh_dsa, PrivateKeyInfo, der);
1629MAKE_ENCODER(slh_dsa_sha2_192f, slh_dsa, PrivateKeyInfo, der);
1630MAKE_ENCODER(slh_dsa_sha2_256s, slh_dsa, PrivateKeyInfo, der);
1631MAKE_ENCODER(slh_dsa_sha2_256f, slh_dsa, PrivateKeyInfo, der);
1632MAKE_ENCODER(slh_dsa_sha2_128s, slh_dsa, PrivateKeyInfo, pem);
1633MAKE_ENCODER(slh_dsa_sha2_128f, slh_dsa, PrivateKeyInfo, pem);
1634MAKE_ENCODER(slh_dsa_sha2_192s, slh_dsa, PrivateKeyInfo, pem);
1635MAKE_ENCODER(slh_dsa_sha2_192f, slh_dsa, PrivateKeyInfo, pem);
1636MAKE_ENCODER(slh_dsa_sha2_256s, slh_dsa, PrivateKeyInfo, pem);
1637MAKE_ENCODER(slh_dsa_sha2_256f, slh_dsa, PrivateKeyInfo, pem);
1638MAKE_ENCODER(slh_dsa_shake_128s, slh_dsa, PrivateKeyInfo, der);
1639MAKE_ENCODER(slh_dsa_shake_128f, slh_dsa, PrivateKeyInfo, der);
1640MAKE_ENCODER(slh_dsa_shake_192s, slh_dsa, PrivateKeyInfo, der);
1641MAKE_ENCODER(slh_dsa_shake_192f, slh_dsa, PrivateKeyInfo, der);
1642MAKE_ENCODER(slh_dsa_shake_256s, slh_dsa, PrivateKeyInfo, der);
1643MAKE_ENCODER(slh_dsa_shake_256f, slh_dsa, PrivateKeyInfo, der);
1644MAKE_ENCODER(slh_dsa_shake_128s, slh_dsa, PrivateKeyInfo, pem);
1645MAKE_ENCODER(slh_dsa_shake_128f, slh_dsa, PrivateKeyInfo, pem);
1646MAKE_ENCODER(slh_dsa_shake_192s, slh_dsa, PrivateKeyInfo, pem);
1647MAKE_ENCODER(slh_dsa_shake_192f, slh_dsa, PrivateKeyInfo, pem);
1648MAKE_ENCODER(slh_dsa_shake_256s, slh_dsa, PrivateKeyInfo, pem);
1649MAKE_ENCODER(slh_dsa_shake_256f, slh_dsa, PrivateKeyInfo, pem);
1650MAKE_ENCODER(slh_dsa_sha2_128s, slh_dsa, SubjectPublicKeyInfo, der);
1651MAKE_ENCODER(slh_dsa_sha2_128f, slh_dsa, SubjectPublicKeyInfo, der);
1652MAKE_ENCODER(slh_dsa_sha2_192s, slh_dsa, SubjectPublicKeyInfo, der);
1653MAKE_ENCODER(slh_dsa_sha2_192f, slh_dsa, SubjectPublicKeyInfo, der);
1654MAKE_ENCODER(slh_dsa_sha2_256s, slh_dsa, SubjectPublicKeyInfo, der);
1655MAKE_ENCODER(slh_dsa_sha2_256f, slh_dsa, SubjectPublicKeyInfo, der);
1656MAKE_ENCODER(slh_dsa_sha2_128s, slh_dsa, SubjectPublicKeyInfo, pem);
1657MAKE_ENCODER(slh_dsa_sha2_128f, slh_dsa, SubjectPublicKeyInfo, pem);
1658MAKE_ENCODER(slh_dsa_sha2_192s, slh_dsa, SubjectPublicKeyInfo, pem);
1659MAKE_ENCODER(slh_dsa_sha2_192f, slh_dsa, SubjectPublicKeyInfo, pem);
1660MAKE_ENCODER(slh_dsa_sha2_256s, slh_dsa, SubjectPublicKeyInfo, pem);
1661MAKE_ENCODER(slh_dsa_sha2_256f, slh_dsa, SubjectPublicKeyInfo, pem);
1662MAKE_ENCODER(slh_dsa_shake_128s, slh_dsa, SubjectPublicKeyInfo, der);
1663MAKE_ENCODER(slh_dsa_shake_128f, slh_dsa, SubjectPublicKeyInfo, der);
1664MAKE_ENCODER(slh_dsa_shake_192s, slh_dsa, SubjectPublicKeyInfo, der);
1665MAKE_ENCODER(slh_dsa_shake_192f, slh_dsa, SubjectPublicKeyInfo, der);
1666MAKE_ENCODER(slh_dsa_shake_256s, slh_dsa, SubjectPublicKeyInfo, der);
1667MAKE_ENCODER(slh_dsa_shake_256f, slh_dsa, SubjectPublicKeyInfo, der);
1668MAKE_ENCODER(slh_dsa_shake_128s, slh_dsa, SubjectPublicKeyInfo, pem);
1669MAKE_ENCODER(slh_dsa_shake_128f, slh_dsa, SubjectPublicKeyInfo, pem);
1670MAKE_ENCODER(slh_dsa_shake_192s, slh_dsa, SubjectPublicKeyInfo, pem);
1671MAKE_ENCODER(slh_dsa_shake_192f, slh_dsa, SubjectPublicKeyInfo, pem);
1672MAKE_ENCODER(slh_dsa_shake_256s, slh_dsa, SubjectPublicKeyInfo, pem);
1673MAKE_ENCODER(slh_dsa_shake_256f, slh_dsa, SubjectPublicKeyInfo, pem);
a25bcde2 1674#endif /* OPENSSL_NO_SLH_DSA */
c319b627 1675
b818a998
VD
1676#ifndef OPENSSL_NO_ML_KEM
1677MAKE_ENCODER(ml_kem_512, ml_kem, EncryptedPrivateKeyInfo, der);
1678MAKE_ENCODER(ml_kem_512, ml_kem, EncryptedPrivateKeyInfo, pem);
1679MAKE_ENCODER(ml_kem_512, ml_kem, PrivateKeyInfo, der);
1680MAKE_ENCODER(ml_kem_512, ml_kem, PrivateKeyInfo, pem);
1681MAKE_ENCODER(ml_kem_512, ml_kem, SubjectPublicKeyInfo, der);
1682MAKE_ENCODER(ml_kem_512, ml_kem, SubjectPublicKeyInfo, pem);
1683
1684MAKE_ENCODER(ml_kem_768, ml_kem, EncryptedPrivateKeyInfo, der);
1685MAKE_ENCODER(ml_kem_768, ml_kem, EncryptedPrivateKeyInfo, pem);
1686MAKE_ENCODER(ml_kem_768, ml_kem, PrivateKeyInfo, der);
1687MAKE_ENCODER(ml_kem_768, ml_kem, PrivateKeyInfo, pem);
1688MAKE_ENCODER(ml_kem_768, ml_kem, SubjectPublicKeyInfo, der);
1689MAKE_ENCODER(ml_kem_768, ml_kem, SubjectPublicKeyInfo, pem);
1690
1691MAKE_ENCODER(ml_kem_1024, ml_kem, EncryptedPrivateKeyInfo, der);
1692MAKE_ENCODER(ml_kem_1024, ml_kem, EncryptedPrivateKeyInfo, pem);
1693MAKE_ENCODER(ml_kem_1024, ml_kem, PrivateKeyInfo, der);
1694MAKE_ENCODER(ml_kem_1024, ml_kem, PrivateKeyInfo, pem);
1695MAKE_ENCODER(ml_kem_1024, ml_kem, SubjectPublicKeyInfo, der);
1696MAKE_ENCODER(ml_kem_1024, ml_kem, SubjectPublicKeyInfo, pem);
1697#endif
1698
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1699/*
1700 * Support for key type specific output formats. Not all key types have
1701 * this, we only aim to duplicate what is available in 1.1.1 as
1702 * i2d_TYPEPrivateKey(), i2d_TYPEPublicKey() and i2d_TYPEparams().
1703 * For example, there are no publicly available i2d_ function for
1704 * ED25519, ED448, X25519 or X448, and they therefore only have PKCS#8
1705 * and SubjectPublicKeyInfo implementations as implemented above.
1706 */
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1707MAKE_ENCODER(rsa, rsa, RSA, der);
1708MAKE_ENCODER(rsa, rsa, RSA, pem);
c319b627 1709#ifndef OPENSSL_NO_DH
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1710MAKE_ENCODER(dh, dh, DH, der);
1711MAKE_ENCODER(dh, dh, DH, pem);
1712MAKE_ENCODER(dhx, dh, DHX, der);
1713MAKE_ENCODER(dhx, dh, DHX, pem);
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1714#endif
1715#ifndef OPENSSL_NO_DSA
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1716MAKE_ENCODER(dsa, dsa, DSA, der);
1717MAKE_ENCODER(dsa, dsa, DSA, pem);
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1718#endif
1719#ifndef OPENSSL_NO_EC
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1720MAKE_ENCODER(ec, ec, EC, der);
1721MAKE_ENCODER(ec, ec, EC, pem);
f2db0528 1722# ifndef OPENSSL_NO_SM2
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1723MAKE_ENCODER(sm2, ec, SM2, der);
1724MAKE_ENCODER(sm2, ec, SM2, pem);
f2db0528 1725# endif
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1726#endif
1727
1728/* Convenience structure names */
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1729MAKE_ENCODER(rsa, rsa, PKCS1, der);
1730MAKE_ENCODER(rsa, rsa, PKCS1, pem);
1731MAKE_ENCODER(rsapss, rsa, PKCS1, der);
1732MAKE_ENCODER(rsapss, rsa, PKCS1, pem);
c319b627 1733#ifndef OPENSSL_NO_DH
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1734MAKE_ENCODER(dh, dh, PKCS3, der); /* parameters only */
1735MAKE_ENCODER(dh, dh, PKCS3, pem); /* parameters only */
1736MAKE_ENCODER(dhx, dh, X9_42, der); /* parameters only */
1737MAKE_ENCODER(dhx, dh, X9_42, pem); /* parameters only */
8ae40cf5
RL
1738#endif
1739#ifndef OPENSSL_NO_EC
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1740MAKE_ENCODER(ec, ec, X9_62, der);
1741MAKE_ENCODER(ec, ec, X9_62, pem);
8ae40cf5 1742#endif
df231a88 1743
1744#ifndef OPENSSL_NO_ML_DSA
c83e6c0a 1745MAKE_ENCODER(ml_dsa_44, ml_dsa, EncryptedPrivateKeyInfo, der);
1746MAKE_ENCODER(ml_dsa_44, ml_dsa, EncryptedPrivateKeyInfo, pem);
1747MAKE_ENCODER(ml_dsa_44, ml_dsa, PrivateKeyInfo, der);
1748MAKE_ENCODER(ml_dsa_44, ml_dsa, PrivateKeyInfo, pem);
1749MAKE_ENCODER(ml_dsa_44, ml_dsa, SubjectPublicKeyInfo, der);
1750MAKE_ENCODER(ml_dsa_44, ml_dsa, SubjectPublicKeyInfo, pem);
1751
1752MAKE_ENCODER(ml_dsa_65, ml_dsa, EncryptedPrivateKeyInfo, der);
1753MAKE_ENCODER(ml_dsa_65, ml_dsa, EncryptedPrivateKeyInfo, pem);
1754MAKE_ENCODER(ml_dsa_65, ml_dsa, PrivateKeyInfo, der);
1755MAKE_ENCODER(ml_dsa_65, ml_dsa, PrivateKeyInfo, pem);
1756MAKE_ENCODER(ml_dsa_65, ml_dsa, SubjectPublicKeyInfo, der);
1757MAKE_ENCODER(ml_dsa_65, ml_dsa, SubjectPublicKeyInfo, pem);
1758
1759MAKE_ENCODER(ml_dsa_87, ml_dsa, EncryptedPrivateKeyInfo, der);
1760MAKE_ENCODER(ml_dsa_87, ml_dsa, EncryptedPrivateKeyInfo, pem);
1761MAKE_ENCODER(ml_dsa_87, ml_dsa, PrivateKeyInfo, der);
1762MAKE_ENCODER(ml_dsa_87, ml_dsa, PrivateKeyInfo, pem);
1763MAKE_ENCODER(ml_dsa_87, ml_dsa, SubjectPublicKeyInfo, der);
1764MAKE_ENCODER(ml_dsa_87, ml_dsa, SubjectPublicKeyInfo, pem);
df231a88 1765#endif /* OPENSSL_NO_ML_DSA */