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Add some test coverage for OPENSSL_secure_clear_free
[thirdparty/openssl.git] / include / openssl / evp.h
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1/*
2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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#ifndef HEADER_ENVELOPE_H
11# define HEADER_ENVELOPE_H
12
13# include <openssl/opensslconf.h>
14# include <openssl/ossl_typ.h>
15# include <openssl/symhacks.h>
16# include <openssl/bio.h>
17# include <openssl/evperr.h>
18
19# define EVP_MAX_MD_SIZE 64/* longest known is SHA512 */
20# define EVP_MAX_KEY_LENGTH 64
21# define EVP_MAX_IV_LENGTH 16
22# define EVP_MAX_BLOCK_LENGTH 32
23
24# define PKCS5_SALT_LEN 8
25/* Default PKCS#5 iteration count */
26# define PKCS5_DEFAULT_ITER 2048
27
28# include <openssl/objects.h>
29
30# define EVP_PK_RSA 0x0001
31# define EVP_PK_DSA 0x0002
32# define EVP_PK_DH 0x0004
33# define EVP_PK_EC 0x0008
34# define EVP_PKT_SIGN 0x0010
35# define EVP_PKT_ENC 0x0020
36# define EVP_PKT_EXCH 0x0040
37# define EVP_PKS_RSA 0x0100
38# define EVP_PKS_DSA 0x0200
39# define EVP_PKS_EC 0x0400
40
41# define EVP_PKEY_NONE NID_undef
42# define EVP_PKEY_RSA NID_rsaEncryption
43# define EVP_PKEY_RSA2 NID_rsa
44# define EVP_PKEY_RSA_PSS NID_rsassaPss
45# define EVP_PKEY_DSA NID_dsa
46# define EVP_PKEY_DSA1 NID_dsa_2
47# define EVP_PKEY_DSA2 NID_dsaWithSHA
48# define EVP_PKEY_DSA3 NID_dsaWithSHA1
49# define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
50# define EVP_PKEY_DH NID_dhKeyAgreement
51# define EVP_PKEY_DHX NID_dhpublicnumber
52# define EVP_PKEY_EC NID_X9_62_id_ecPublicKey
53# define EVP_PKEY_HMAC NID_hmac
54# define EVP_PKEY_CMAC NID_cmac
55# define EVP_PKEY_TLS1_PRF NID_tls1_prf
56# define EVP_PKEY_HKDF NID_hkdf
57# define EVP_PKEY_POLY1305 NID_poly1305
58# define EVP_PKEY_SIPHASH NID_siphash
59# define EVP_PKEY_X25519 NID_X25519
60# define EVP_PKEY_ED25519 NID_ED25519
61
62#ifdef __cplusplus
63extern "C" {
64#endif
65
66# define EVP_PKEY_MO_SIGN 0x0001
67# define EVP_PKEY_MO_VERIFY 0x0002
68# define EVP_PKEY_MO_ENCRYPT 0x0004
69# define EVP_PKEY_MO_DECRYPT 0x0008
70
71# ifndef EVP_MD
72EVP_MD *EVP_MD_meth_new(int md_type, int pkey_type);
73EVP_MD *EVP_MD_meth_dup(const EVP_MD *md);
74void EVP_MD_meth_free(EVP_MD *md);
75
76int EVP_MD_meth_set_input_blocksize(EVP_MD *md, int blocksize);
77int EVP_MD_meth_set_result_size(EVP_MD *md, int resultsize);
78int EVP_MD_meth_set_app_datasize(EVP_MD *md, int datasize);
79int EVP_MD_meth_set_flags(EVP_MD *md, unsigned long flags);
80int EVP_MD_meth_set_init(EVP_MD *md, int (*init)(EVP_MD_CTX *ctx));
81int EVP_MD_meth_set_update(EVP_MD *md, int (*update)(EVP_MD_CTX *ctx,
82 const void *data,
83 size_t count));
84int EVP_MD_meth_set_final(EVP_MD *md, int (*final)(EVP_MD_CTX *ctx,
85 unsigned char *md));
86int EVP_MD_meth_set_copy(EVP_MD *md, int (*copy)(EVP_MD_CTX *to,
87 const EVP_MD_CTX *from));
88int EVP_MD_meth_set_cleanup(EVP_MD *md, int (*cleanup)(EVP_MD_CTX *ctx));
89int EVP_MD_meth_set_ctrl(EVP_MD *md, int (*ctrl)(EVP_MD_CTX *ctx, int cmd,
90 int p1, void *p2));
91
92int EVP_MD_meth_get_input_blocksize(const EVP_MD *md);
93int EVP_MD_meth_get_result_size(const EVP_MD *md);
94int EVP_MD_meth_get_app_datasize(const EVP_MD *md);
95unsigned long EVP_MD_meth_get_flags(const EVP_MD *md);
96int (*EVP_MD_meth_get_init(const EVP_MD *md))(EVP_MD_CTX *ctx);
97int (*EVP_MD_meth_get_update(const EVP_MD *md))(EVP_MD_CTX *ctx,
98 const void *data,
99 size_t count);
100int (*EVP_MD_meth_get_final(const EVP_MD *md))(EVP_MD_CTX *ctx,
101 unsigned char *md);
102int (*EVP_MD_meth_get_copy(const EVP_MD *md))(EVP_MD_CTX *to,
103 const EVP_MD_CTX *from);
104int (*EVP_MD_meth_get_cleanup(const EVP_MD *md))(EVP_MD_CTX *ctx);
105int (*EVP_MD_meth_get_ctrl(const EVP_MD *md))(EVP_MD_CTX *ctx, int cmd,
106 int p1, void *p2);
107
108/* digest can only handle a single block */
109# define EVP_MD_FLAG_ONESHOT 0x0001
110
111/* DigestAlgorithmIdentifier flags... */
112
113# define EVP_MD_FLAG_DIGALGID_MASK 0x0018
114
115/* NULL or absent parameter accepted. Use NULL */
116
117# define EVP_MD_FLAG_DIGALGID_NULL 0x0000
118
119/* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
120
121# define EVP_MD_FLAG_DIGALGID_ABSENT 0x0008
122
123/* Custom handling via ctrl */
124
125# define EVP_MD_FLAG_DIGALGID_CUSTOM 0x0018
126
127/* Note if suitable for use in FIPS mode */
128# define EVP_MD_FLAG_FIPS 0x0400
129
130/* Digest ctrls */
131
132# define EVP_MD_CTRL_DIGALGID 0x1
133# define EVP_MD_CTRL_MICALG 0x2
134
135/* Minimum Algorithm specific ctrl value */
136
137# define EVP_MD_CTRL_ALG_CTRL 0x1000
138
139# endif /* !EVP_MD */
140
141/* values for EVP_MD_CTX flags */
142
143# define EVP_MD_CTX_FLAG_ONESHOT 0x0001/* digest update will be
144 * called once only */
145# define EVP_MD_CTX_FLAG_CLEANED 0x0002/* context has already been
146 * cleaned */
147# define EVP_MD_CTX_FLAG_REUSE 0x0004/* Don't free up ctx->md_data
148 * in EVP_MD_CTX_reset */
149/*
150 * FIPS and pad options are ignored in 1.0.0, definitions are here so we
151 * don't accidentally reuse the values for other purposes.
152 */
153
154# define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW 0x0008/* Allow use of non FIPS
155 * digest in FIPS mode */
156
157/*
158 * The following PAD options are also currently ignored in 1.0.0, digest
159 * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()
160 * instead.
161 */
162# define EVP_MD_CTX_FLAG_PAD_MASK 0xF0/* RSA mode to use */
163# define EVP_MD_CTX_FLAG_PAD_PKCS1 0x00/* PKCS#1 v1.5 mode */
164# define EVP_MD_CTX_FLAG_PAD_X931 0x10/* X9.31 mode */
165# define EVP_MD_CTX_FLAG_PAD_PSS 0x20/* PSS mode */
166
167# define EVP_MD_CTX_FLAG_NO_INIT 0x0100/* Don't initialize md_data */
168/*
169 * Some functions such as EVP_DigestSign only finalise copies of internal
170 * contexts so additional data can be included after the finalisation call.
171 * This is inefficient if this functionality is not required: it is disabled
172 * if the following flag is set.
173 */
174# define EVP_MD_CTX_FLAG_FINALISE 0x0200
175
176EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len);
177EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher);
178void EVP_CIPHER_meth_free(EVP_CIPHER *cipher);
179
180int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len);
181int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags);
182int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size);
183int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,
184 int (*init) (EVP_CIPHER_CTX *ctx,
185 const unsigned char *key,
186 const unsigned char *iv,
187 int enc));
188int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,
189 int (*do_cipher) (EVP_CIPHER_CTX *ctx,
190 unsigned char *out,
191 const unsigned char *in,
192 size_t inl));
193int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
194 int (*cleanup) (EVP_CIPHER_CTX *));
195int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
196 int (*set_asn1_parameters) (EVP_CIPHER_CTX *,
197 ASN1_TYPE *));
198int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
199 int (*get_asn1_parameters) (EVP_CIPHER_CTX *,
200 ASN1_TYPE *));
201int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
202 int (*ctrl) (EVP_CIPHER_CTX *, int type,
203 int arg, void *ptr));
204
205int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
206 const unsigned char *key,
207 const unsigned char *iv,
208 int enc);
209int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
210 unsigned char *out,
211 const unsigned char *in,
212 size_t inl);
213int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *);
214int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
215 ASN1_TYPE *);
216int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
217 ASN1_TYPE *);
218int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
219 int type, int arg,
220 void *ptr);
221
222/* Values for cipher flags */
223
224/* Modes for ciphers */
225
226# define EVP_CIPH_STREAM_CIPHER 0x0
227# define EVP_CIPH_ECB_MODE 0x1
228# define EVP_CIPH_CBC_MODE 0x2
229# define EVP_CIPH_CFB_MODE 0x3
230# define EVP_CIPH_OFB_MODE 0x4
231# define EVP_CIPH_CTR_MODE 0x5
232# define EVP_CIPH_GCM_MODE 0x6
233# define EVP_CIPH_CCM_MODE 0x7
234# define EVP_CIPH_XTS_MODE 0x10001
235# define EVP_CIPH_WRAP_MODE 0x10002
236# define EVP_CIPH_OCB_MODE 0x10003
237# define EVP_CIPH_MODE 0xF0007
238/* Set if variable length cipher */
239# define EVP_CIPH_VARIABLE_LENGTH 0x8
240/* Set if the iv handling should be done by the cipher itself */
241# define EVP_CIPH_CUSTOM_IV 0x10
242/* Set if the cipher's init() function should be called if key is NULL */
243# define EVP_CIPH_ALWAYS_CALL_INIT 0x20
244/* Call ctrl() to init cipher parameters */
245# define EVP_CIPH_CTRL_INIT 0x40
246/* Don't use standard key length function */
247# define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
248/* Don't use standard block padding */
249# define EVP_CIPH_NO_PADDING 0x100
250/* cipher handles random key generation */
251# define EVP_CIPH_RAND_KEY 0x200
252/* cipher has its own additional copying logic */
253# define EVP_CIPH_CUSTOM_COPY 0x400
254/* Allow use default ASN1 get/set iv */
255# define EVP_CIPH_FLAG_DEFAULT_ASN1 0x1000
256/* Buffer length in bits not bytes: CFB1 mode only */
257# define EVP_CIPH_FLAG_LENGTH_BITS 0x2000
258/* Note if suitable for use in FIPS mode */
259# define EVP_CIPH_FLAG_FIPS 0x4000
260/* Allow non FIPS cipher in FIPS mode */
261# define EVP_CIPH_FLAG_NON_FIPS_ALLOW 0x8000
262/*
263 * Cipher handles any and all padding logic as well as finalisation.
264 */
265# define EVP_CIPH_FLAG_CUSTOM_CIPHER 0x100000
266# define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000
267# define EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0x400000
268/* Cipher can handle pipeline operations */
269# define EVP_CIPH_FLAG_PIPELINE 0X800000
270
271/*
272 * Cipher context flag to indicate we can handle wrap mode: if allowed in
273 * older applications it could overflow buffers.
274 */
275
276# define EVP_CIPHER_CTX_FLAG_WRAP_ALLOW 0x1
277
278/* ctrl() values */
279
280# define EVP_CTRL_INIT 0x0
281# define EVP_CTRL_SET_KEY_LENGTH 0x1
282# define EVP_CTRL_GET_RC2_KEY_BITS 0x2
283# define EVP_CTRL_SET_RC2_KEY_BITS 0x3
284# define EVP_CTRL_GET_RC5_ROUNDS 0x4
285# define EVP_CTRL_SET_RC5_ROUNDS 0x5
286# define EVP_CTRL_RAND_KEY 0x6
287# define EVP_CTRL_PBE_PRF_NID 0x7
288# define EVP_CTRL_COPY 0x8
289# define EVP_CTRL_AEAD_SET_IVLEN 0x9
290# define EVP_CTRL_AEAD_GET_TAG 0x10
291# define EVP_CTRL_AEAD_SET_TAG 0x11
292# define EVP_CTRL_AEAD_SET_IV_FIXED 0x12
293# define EVP_CTRL_GCM_SET_IVLEN EVP_CTRL_AEAD_SET_IVLEN
294# define EVP_CTRL_GCM_GET_TAG EVP_CTRL_AEAD_GET_TAG
295# define EVP_CTRL_GCM_SET_TAG EVP_CTRL_AEAD_SET_TAG
296# define EVP_CTRL_GCM_SET_IV_FIXED EVP_CTRL_AEAD_SET_IV_FIXED
297# define EVP_CTRL_GCM_IV_GEN 0x13
298# define EVP_CTRL_CCM_SET_IVLEN EVP_CTRL_AEAD_SET_IVLEN
299# define EVP_CTRL_CCM_GET_TAG EVP_CTRL_AEAD_GET_TAG
300# define EVP_CTRL_CCM_SET_TAG EVP_CTRL_AEAD_SET_TAG
301# define EVP_CTRL_CCM_SET_IV_FIXED EVP_CTRL_AEAD_SET_IV_FIXED
302# define EVP_CTRL_CCM_SET_L 0x14
303# define EVP_CTRL_CCM_SET_MSGLEN 0x15
304/*
305 * AEAD cipher deduces payload length and returns number of bytes required to
306 * store MAC and eventual padding. Subsequent call to EVP_Cipher even
307 * appends/verifies MAC.
308 */
309# define EVP_CTRL_AEAD_TLS1_AAD 0x16
310/* Used by composite AEAD ciphers, no-op in GCM, CCM... */
311# define EVP_CTRL_AEAD_SET_MAC_KEY 0x17
312/* Set the GCM invocation field, decrypt only */
313# define EVP_CTRL_GCM_SET_IV_INV 0x18
314
315# define EVP_CTRL_TLS1_1_MULTIBLOCK_AAD 0x19
316# define EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT 0x1a
317# define EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT 0x1b
318# define EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE 0x1c
319
320# define EVP_CTRL_SSL3_MASTER_SECRET 0x1d
321
322/* EVP_CTRL_SET_SBOX takes the char * specifying S-boxes */
323# define EVP_CTRL_SET_SBOX 0x1e
324/*
325 * EVP_CTRL_SBOX_USED takes a 'size_t' and 'char *', pointing at a
326 * pre-allocated buffer with specified size
327 */
328# define EVP_CTRL_SBOX_USED 0x1f
329/* EVP_CTRL_KEY_MESH takes 'size_t' number of bytes to mesh the key after,
330 * 0 switches meshing off
331 */
332# define EVP_CTRL_KEY_MESH 0x20
333/* EVP_CTRL_BLOCK_PADDING_MODE takes the padding mode */
334# define EVP_CTRL_BLOCK_PADDING_MODE 0x21
335
336/* Set the output buffers to use for a pipelined operation */
337# define EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS 0x22
338/* Set the input buffers to use for a pipelined operation */
339# define EVP_CTRL_SET_PIPELINE_INPUT_BUFS 0x23
340/* Set the input buffer lengths to use for a pipelined operation */
341# define EVP_CTRL_SET_PIPELINE_INPUT_LENS 0x24
342
343/* Padding modes */
344#define EVP_PADDING_PKCS7 1
345#define EVP_PADDING_ISO7816_4 2
346#define EVP_PADDING_ANSI923 3
347#define EVP_PADDING_ISO10126 4
348#define EVP_PADDING_ZERO 5
349
350/* RFC 5246 defines additional data to be 13 bytes in length */
351# define EVP_AEAD_TLS1_AAD_LEN 13
352
353typedef struct {
354 unsigned char *out;
355 const unsigned char *inp;
356 size_t len;
357 unsigned int interleave;
358} EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM;
359
360/* GCM TLS constants */
361/* Length of fixed part of IV derived from PRF */
362# define EVP_GCM_TLS_FIXED_IV_LEN 4
363/* Length of explicit part of IV part of TLS records */
364# define EVP_GCM_TLS_EXPLICIT_IV_LEN 8
365/* Length of tag for TLS */
366# define EVP_GCM_TLS_TAG_LEN 16
367
368/* CCM TLS constants */
369/* Length of fixed part of IV derived from PRF */
370# define EVP_CCM_TLS_FIXED_IV_LEN 4
371/* Length of explicit part of IV part of TLS records */
372# define EVP_CCM_TLS_EXPLICIT_IV_LEN 8
373/* Total length of CCM IV length for TLS */
374# define EVP_CCM_TLS_IV_LEN 12
375/* Length of tag for TLS */
376# define EVP_CCM_TLS_TAG_LEN 16
377/* Length of CCM8 tag for TLS */
378# define EVP_CCM8_TLS_TAG_LEN 8
379
380/* Length of tag for TLS */
381# define EVP_CHACHAPOLY_TLS_TAG_LEN 16
382
383typedef struct evp_cipher_info_st {
384 const EVP_CIPHER *cipher;
385 unsigned char iv[EVP_MAX_IV_LENGTH];
386} EVP_CIPHER_INFO;
387
388
389/* Password based encryption function */
390typedef int (EVP_PBE_KEYGEN) (EVP_CIPHER_CTX *ctx, const char *pass,
391 int passlen, ASN1_TYPE *param,
392 const EVP_CIPHER *cipher, const EVP_MD *md,
393 int en_de);
394
395# ifndef OPENSSL_NO_RSA
396# define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
397 (char *)(rsa))
398# endif
399
400# ifndef OPENSSL_NO_DSA
401# define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
402 (char *)(dsa))
403# endif
404
405# ifndef OPENSSL_NO_DH
406# define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
407 (char *)(dh))
408# endif
409
410# ifndef OPENSSL_NO_EC
411# define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
412 (char *)(eckey))
413# endif
414# ifndef OPENSSL_NO_SIPHASH
415# define EVP_PKEY_assign_SIPHASH(pkey,shkey) EVP_PKEY_assign((pkey),EVP_PKEY_SIPHASH,\
416 (char *)(shkey))
417# endif
418
419# ifndef OPENSSL_NO_POLY1305
420# define EVP_PKEY_assign_POLY1305(pkey,polykey) EVP_PKEY_assign((pkey),EVP_PKEY_POLY1305,\
421 (char *)(polykey))
422# endif
423
424/* Add some extra combinations */
425# define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
426# define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
427# define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
428# define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
429
430int EVP_MD_type(const EVP_MD *md);
431# define EVP_MD_nid(e) EVP_MD_type(e)
432# define EVP_MD_name(e) OBJ_nid2sn(EVP_MD_nid(e))
433int EVP_MD_pkey_type(const EVP_MD *md);
434int EVP_MD_size(const EVP_MD *md);
435int EVP_MD_block_size(const EVP_MD *md);
436unsigned long EVP_MD_flags(const EVP_MD *md);
437
438const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
439int (*EVP_MD_CTX_update_fn(EVP_MD_CTX *ctx))(EVP_MD_CTX *ctx,
440 const void *data, size_t count);
441void EVP_MD_CTX_set_update_fn(EVP_MD_CTX *ctx,
442 int (*update) (EVP_MD_CTX *ctx,
443 const void *data, size_t count));
444# define EVP_MD_CTX_size(e) EVP_MD_size(EVP_MD_CTX_md(e))
445# define EVP_MD_CTX_block_size(e) EVP_MD_block_size(EVP_MD_CTX_md(e))
446# define EVP_MD_CTX_type(e) EVP_MD_type(EVP_MD_CTX_md(e))
447EVP_PKEY_CTX *EVP_MD_CTX_pkey_ctx(const EVP_MD_CTX *ctx);
448void *EVP_MD_CTX_md_data(const EVP_MD_CTX *ctx);
449
450int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
451# define EVP_CIPHER_name(e) OBJ_nid2sn(EVP_CIPHER_nid(e))
452int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
453int EVP_CIPHER_impl_ctx_size(const EVP_CIPHER *cipher);
454int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
455int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
456unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
457# define EVP_CIPHER_mode(e) (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
458
459const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
460int EVP_CIPHER_CTX_encrypting(const EVP_CIPHER_CTX *ctx);
461int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
462int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
463int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
464int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
465const unsigned char *EVP_CIPHER_CTX_iv(const EVP_CIPHER_CTX *ctx);
466const unsigned char *EVP_CIPHER_CTX_original_iv(const EVP_CIPHER_CTX *ctx);
467unsigned char *EVP_CIPHER_CTX_iv_noconst(EVP_CIPHER_CTX *ctx);
468unsigned char *EVP_CIPHER_CTX_buf_noconst(EVP_CIPHER_CTX *ctx);
469int EVP_CIPHER_CTX_num(const EVP_CIPHER_CTX *ctx);
470void EVP_CIPHER_CTX_set_num(EVP_CIPHER_CTX *ctx, int num);
471int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
472void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
473void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
474void *EVP_CIPHER_CTX_get_cipher_data(const EVP_CIPHER_CTX *ctx);
475void *EVP_CIPHER_CTX_set_cipher_data(EVP_CIPHER_CTX *ctx, void *cipher_data);
476# define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
477# if OPENSSL_API_COMPAT < 0x10100000L
478# define EVP_CIPHER_CTX_flags(c) EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(c))
479# endif
480# define EVP_CIPHER_CTX_mode(c) EVP_CIPHER_mode(EVP_CIPHER_CTX_cipher(c))
481
482# define EVP_ENCODE_LENGTH(l) ((((l)+2)/3*4)+((l)/48+1)*2+80)
483# define EVP_DECODE_LENGTH(l) (((l)+3)/4*3+80)
484
485# define EVP_SignInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
486# define EVP_SignInit(a,b) EVP_DigestInit(a,b)
487# define EVP_SignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
488# define EVP_VerifyInit_ex(a,b,c) EVP_DigestInit_ex(a,b,c)
489# define EVP_VerifyInit(a,b) EVP_DigestInit(a,b)
490# define EVP_VerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
491# define EVP_OpenUpdate(a,b,c,d,e) EVP_DecryptUpdate(a,b,c,d,e)
492# define EVP_SealUpdate(a,b,c,d,e) EVP_EncryptUpdate(a,b,c,d,e)
493# define EVP_DigestSignUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
494# define EVP_DigestVerifyUpdate(a,b,c) EVP_DigestUpdate(a,b,c)
495
496# ifdef CONST_STRICT
497void BIO_set_md(BIO *, const EVP_MD *md);
498# else
499# define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,0,(char *)(md))
500# endif
501# define BIO_get_md(b,mdp) BIO_ctrl(b,BIO_C_GET_MD,0,(char *)(mdp))
502# define BIO_get_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_GET_MD_CTX,0, \
503 (char *)(mdcp))
504# define BIO_set_md_ctx(b,mdcp) BIO_ctrl(b,BIO_C_SET_MD_CTX,0, \
505 (char *)(mdcp))
506# define BIO_get_cipher_status(b) BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
507# define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0, \
508 (char *)(c_pp))
509
510/*__owur*/ int EVP_Cipher(EVP_CIPHER_CTX *c,
511 unsigned char *out,
512 const unsigned char *in, unsigned int inl);
513
514# define EVP_add_cipher_alias(n,alias) \
515 OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
516# define EVP_add_digest_alias(n,alias) \
517 OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
518# define EVP_delete_cipher_alias(alias) \
519 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
520# define EVP_delete_digest_alias(alias) \
521 OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
522
523int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
524EVP_MD_CTX *EVP_MD_CTX_new(void);
525int EVP_MD_CTX_reset(EVP_MD_CTX *ctx);
526void EVP_MD_CTX_free(EVP_MD_CTX *ctx);
527# define EVP_MD_CTX_create() EVP_MD_CTX_new()
528# define EVP_MD_CTX_init(ctx) EVP_MD_CTX_reset((ctx))
529# define EVP_MD_CTX_destroy(ctx) EVP_MD_CTX_free((ctx))
530__owur int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
531void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
532void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
533int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
534__owur int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type,
535 ENGINE *impl);
536__owur int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d,
537 size_t cnt);
538__owur int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md,
539 unsigned int *s);
540__owur int EVP_Digest(const void *data, size_t count,
541 unsigned char *md, unsigned int *size,
542 const EVP_MD *type, ENGINE *impl);
543
544__owur int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
545__owur int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
546__owur int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md,
547 unsigned int *s);
548
549int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
550int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
551 const char *prompt, int verify);
552void EVP_set_pw_prompt(const char *prompt);
553char *EVP_get_pw_prompt(void);
554
555__owur int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
556 const unsigned char *salt,
557 const unsigned char *data, int datal, int count,
558 unsigned char *key, unsigned char *iv);
559
560void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
561void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
562int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);
563
564__owur int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
565 const unsigned char *key, const unsigned char *iv);
566/*__owur*/ int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,
567 const EVP_CIPHER *cipher, ENGINE *impl,
568 const unsigned char *key,
569 const unsigned char *iv);
570/*__owur*/ int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
571 int *outl, const unsigned char *in, int inl);
572/*__owur*/ int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out,
573 int *outl);
574/*__owur*/ int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out,
575 int *outl);
576
577__owur int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
578 const unsigned char *key, const unsigned char *iv);
579/*__owur*/ int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,
580 const EVP_CIPHER *cipher, ENGINE *impl,
581 const unsigned char *key,
582 const unsigned char *iv);
583/*__owur*/ int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
584 int *outl, const unsigned char *in, int inl);
585__owur int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
586 int *outl);
587/*__owur*/ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
588 int *outl);
589
590__owur int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
591 const unsigned char *key, const unsigned char *iv,
592 int enc);
593/*__owur*/ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,
594 const EVP_CIPHER *cipher, ENGINE *impl,
595 const unsigned char *key,
596 const unsigned char *iv, int enc);
597__owur int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
598 int *outl, const unsigned char *in, int inl);
599__owur int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
600 int *outl);
601__owur int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
602 int *outl);
603
604__owur int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
605 EVP_PKEY *pkey);
606
607__owur int EVP_DigestSign(EVP_MD_CTX *ctx, unsigned char *sigret,
608 size_t *siglen, const unsigned char *tbs,
609 size_t tbslen);
610
611__owur int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
612 unsigned int siglen, EVP_PKEY *pkey);
613
614__owur int EVP_DigestVerify(EVP_MD_CTX *ctx, const unsigned char *sigret,
615 size_t siglen, const unsigned char *tbs,
616 size_t tbslen);
617
618/*__owur*/ int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
619 const EVP_MD *type, ENGINE *e,
620 EVP_PKEY *pkey);
621__owur int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
622 size_t *siglen);
623
624__owur int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
625 const EVP_MD *type, ENGINE *e,
626 EVP_PKEY *pkey);
627__owur int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
628 size_t siglen);
629
630# ifndef OPENSSL_NO_RSA
631__owur int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
632 const unsigned char *ek, int ekl,
633 const unsigned char *iv, EVP_PKEY *priv);
634__owur int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
635
636__owur int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
637 unsigned char **ek, int *ekl, unsigned char *iv,
638 EVP_PKEY **pubk, int npubk);
639__owur int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
640# endif
641
642EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void);
643void EVP_ENCODE_CTX_free(EVP_ENCODE_CTX *ctx);
644int EVP_ENCODE_CTX_copy(EVP_ENCODE_CTX *dctx, EVP_ENCODE_CTX *sctx);
645int EVP_ENCODE_CTX_num(EVP_ENCODE_CTX *ctx);
646void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
647int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
648 const unsigned char *in, int inl);
649void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
650int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
651
652void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
653int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
654 const unsigned char *in, int inl);
655int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
656 char *out, int *outl);
657int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
658
659# if OPENSSL_API_COMPAT < 0x10100000L
660# define EVP_CIPHER_CTX_init(c) EVP_CIPHER_CTX_reset(c)
661# define EVP_CIPHER_CTX_cleanup(c) EVP_CIPHER_CTX_reset(c)
662# endif
663EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
664int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *c);
665void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *c);
666int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
667int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
668int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
669int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
670
671const BIO_METHOD *BIO_f_md(void);
672const BIO_METHOD *BIO_f_base64(void);
673const BIO_METHOD *BIO_f_cipher(void);
674const BIO_METHOD *BIO_f_reliable(void);
675__owur int BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
676 const unsigned char *i, int enc);
677
678const EVP_MD *EVP_md_null(void);
679# ifndef OPENSSL_NO_MD2
680const EVP_MD *EVP_md2(void);
681# endif
682# ifndef OPENSSL_NO_MD4
683const EVP_MD *EVP_md4(void);
684# endif
685# ifndef OPENSSL_NO_MD5
686const EVP_MD *EVP_md5(void);
687const EVP_MD *EVP_md5_sha1(void);
688# endif
689# ifndef OPENSSL_NO_BLAKE2
690const EVP_MD *EVP_blake2b512(void);
691const EVP_MD *EVP_blake2s256(void);
692# endif
693const EVP_MD *EVP_sha1(void);
694const EVP_MD *EVP_sha224(void);
695const EVP_MD *EVP_sha256(void);
696const EVP_MD *EVP_sha384(void);
697const EVP_MD *EVP_sha512(void);
698const EVP_MD *EVP_sha3_224(void);
699const EVP_MD *EVP_sha3_256(void);
700const EVP_MD *EVP_sha3_384(void);
701const EVP_MD *EVP_sha3_512(void);
702const EVP_MD *EVP_shake128(void);
703const EVP_MD *EVP_shake256(void);
704# ifndef OPENSSL_NO_MDC2
705const EVP_MD *EVP_mdc2(void);
706# endif
707# ifndef OPENSSL_NO_RMD160
708const EVP_MD *EVP_ripemd160(void);
709# endif
710# ifndef OPENSSL_NO_WHIRLPOOL
711const EVP_MD *EVP_whirlpool(void);
712# endif
713const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
714# ifndef OPENSSL_NO_DES
715const EVP_CIPHER *EVP_des_ecb(void);
716const EVP_CIPHER *EVP_des_ede(void);
717const EVP_CIPHER *EVP_des_ede3(void);
718const EVP_CIPHER *EVP_des_ede_ecb(void);
719const EVP_CIPHER *EVP_des_ede3_ecb(void);
720const EVP_CIPHER *EVP_des_cfb64(void);
721# define EVP_des_cfb EVP_des_cfb64
722const EVP_CIPHER *EVP_des_cfb1(void);
723const EVP_CIPHER *EVP_des_cfb8(void);
724const EVP_CIPHER *EVP_des_ede_cfb64(void);
725# define EVP_des_ede_cfb EVP_des_ede_cfb64
726const EVP_CIPHER *EVP_des_ede3_cfb64(void);
727# define EVP_des_ede3_cfb EVP_des_ede3_cfb64
728const EVP_CIPHER *EVP_des_ede3_cfb1(void);
729const EVP_CIPHER *EVP_des_ede3_cfb8(void);
730const EVP_CIPHER *EVP_des_ofb(void);
731const EVP_CIPHER *EVP_des_ede_ofb(void);
732const EVP_CIPHER *EVP_des_ede3_ofb(void);
733const EVP_CIPHER *EVP_des_cbc(void);
734const EVP_CIPHER *EVP_des_ede_cbc(void);
735const EVP_CIPHER *EVP_des_ede3_cbc(void);
736const EVP_CIPHER *EVP_desx_cbc(void);
737const EVP_CIPHER *EVP_des_ede3_wrap(void);
738/*
739 * This should now be supported through the dev_crypto ENGINE. But also, why
740 * are rc4 and md5 declarations made here inside a "NO_DES" precompiler
741 * branch?
742 */
743# endif
744# ifndef OPENSSL_NO_RC4
745const EVP_CIPHER *EVP_rc4(void);
746const EVP_CIPHER *EVP_rc4_40(void);
747# ifndef OPENSSL_NO_MD5
748const EVP_CIPHER *EVP_rc4_hmac_md5(void);
749# endif
750# endif
751# ifndef OPENSSL_NO_IDEA
752const EVP_CIPHER *EVP_idea_ecb(void);
753const EVP_CIPHER *EVP_idea_cfb64(void);
754# define EVP_idea_cfb EVP_idea_cfb64
755const EVP_CIPHER *EVP_idea_ofb(void);
756const EVP_CIPHER *EVP_idea_cbc(void);
757# endif
758# ifndef OPENSSL_NO_RC2
759const EVP_CIPHER *EVP_rc2_ecb(void);
760const EVP_CIPHER *EVP_rc2_cbc(void);
761const EVP_CIPHER *EVP_rc2_40_cbc(void);
762const EVP_CIPHER *EVP_rc2_64_cbc(void);
763const EVP_CIPHER *EVP_rc2_cfb64(void);
764# define EVP_rc2_cfb EVP_rc2_cfb64
765const EVP_CIPHER *EVP_rc2_ofb(void);
766# endif
767# ifndef OPENSSL_NO_BF
768const EVP_CIPHER *EVP_bf_ecb(void);
769const EVP_CIPHER *EVP_bf_cbc(void);
770const EVP_CIPHER *EVP_bf_cfb64(void);
771# define EVP_bf_cfb EVP_bf_cfb64
772const EVP_CIPHER *EVP_bf_ofb(void);
773# endif
774# ifndef OPENSSL_NO_CAST
775const EVP_CIPHER *EVP_cast5_ecb(void);
776const EVP_CIPHER *EVP_cast5_cbc(void);
777const EVP_CIPHER *EVP_cast5_cfb64(void);
778# define EVP_cast5_cfb EVP_cast5_cfb64
779const EVP_CIPHER *EVP_cast5_ofb(void);
780# endif
781# ifndef OPENSSL_NO_RC5
782const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
783const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
784const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
785# define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
786const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
787# endif
788const EVP_CIPHER *EVP_aes_128_ecb(void);
789const EVP_CIPHER *EVP_aes_128_cbc(void);
790const EVP_CIPHER *EVP_aes_128_cfb1(void);
791const EVP_CIPHER *EVP_aes_128_cfb8(void);
792const EVP_CIPHER *EVP_aes_128_cfb128(void);
793# define EVP_aes_128_cfb EVP_aes_128_cfb128
794const EVP_CIPHER *EVP_aes_128_ofb(void);
795const EVP_CIPHER *EVP_aes_128_ctr(void);
796const EVP_CIPHER *EVP_aes_128_ccm(void);
797const EVP_CIPHER *EVP_aes_128_gcm(void);
798const EVP_CIPHER *EVP_aes_128_xts(void);
799const EVP_CIPHER *EVP_aes_128_wrap(void);
800const EVP_CIPHER *EVP_aes_128_wrap_pad(void);
801# ifndef OPENSSL_NO_OCB
802const EVP_CIPHER *EVP_aes_128_ocb(void);
803# endif
804const EVP_CIPHER *EVP_aes_192_ecb(void);
805const EVP_CIPHER *EVP_aes_192_cbc(void);
806const EVP_CIPHER *EVP_aes_192_cfb1(void);
807const EVP_CIPHER *EVP_aes_192_cfb8(void);
808const EVP_CIPHER *EVP_aes_192_cfb128(void);
809# define EVP_aes_192_cfb EVP_aes_192_cfb128
810const EVP_CIPHER *EVP_aes_192_ofb(void);
811const EVP_CIPHER *EVP_aes_192_ctr(void);
812const EVP_CIPHER *EVP_aes_192_ccm(void);
813const EVP_CIPHER *EVP_aes_192_gcm(void);
814const EVP_CIPHER *EVP_aes_192_wrap(void);
815const EVP_CIPHER *EVP_aes_192_wrap_pad(void);
816# ifndef OPENSSL_NO_OCB
817const EVP_CIPHER *EVP_aes_192_ocb(void);
818# endif
819const EVP_CIPHER *EVP_aes_256_ecb(void);
820const EVP_CIPHER *EVP_aes_256_cbc(void);
821const EVP_CIPHER *EVP_aes_256_cfb1(void);
822const EVP_CIPHER *EVP_aes_256_cfb8(void);
823const EVP_CIPHER *EVP_aes_256_cfb128(void);
824# define EVP_aes_256_cfb EVP_aes_256_cfb128
825const EVP_CIPHER *EVP_aes_256_ofb(void);
826const EVP_CIPHER *EVP_aes_256_ctr(void);
827const EVP_CIPHER *EVP_aes_256_ccm(void);
828const EVP_CIPHER *EVP_aes_256_gcm(void);
829const EVP_CIPHER *EVP_aes_256_xts(void);
830const EVP_CIPHER *EVP_aes_256_wrap(void);
831const EVP_CIPHER *EVP_aes_256_wrap_pad(void);
832# ifndef OPENSSL_NO_OCB
833const EVP_CIPHER *EVP_aes_256_ocb(void);
834# endif
835const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
836const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
837const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void);
838const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void);
839# ifndef OPENSSL_NO_ARIA
840const EVP_CIPHER *EVP_aria_128_ecb(void);
841const EVP_CIPHER *EVP_aria_128_cbc(void);
842const EVP_CIPHER *EVP_aria_128_cfb1(void);
843const EVP_CIPHER *EVP_aria_128_cfb8(void);
844const EVP_CIPHER *EVP_aria_128_cfb128(void);
845# define EVP_aria_128_cfb EVP_aria_128_cfb128
846const EVP_CIPHER *EVP_aria_128_ctr(void);
847const EVP_CIPHER *EVP_aria_128_ofb(void);
848const EVP_CIPHER *EVP_aria_192_ecb(void);
849const EVP_CIPHER *EVP_aria_192_cbc(void);
850const EVP_CIPHER *EVP_aria_192_cfb1(void);
851const EVP_CIPHER *EVP_aria_192_cfb8(void);
852const EVP_CIPHER *EVP_aria_192_cfb128(void);
853# define EVP_aria_192_cfb EVP_aria_192_cfb128
854const EVP_CIPHER *EVP_aria_192_ctr(void);
855const EVP_CIPHER *EVP_aria_192_ofb(void);
856const EVP_CIPHER *EVP_aria_256_ecb(void);
857const EVP_CIPHER *EVP_aria_256_cbc(void);
858const EVP_CIPHER *EVP_aria_256_cfb1(void);
859const EVP_CIPHER *EVP_aria_256_cfb8(void);
860const EVP_CIPHER *EVP_aria_256_cfb128(void);
861# define EVP_aria_256_cfb EVP_aria_256_cfb128
862const EVP_CIPHER *EVP_aria_256_ctr(void);
863const EVP_CIPHER *EVP_aria_256_ofb(void);
864# endif
865# ifndef OPENSSL_NO_CAMELLIA
866const EVP_CIPHER *EVP_camellia_128_ecb(void);
867const EVP_CIPHER *EVP_camellia_128_cbc(void);
868const EVP_CIPHER *EVP_camellia_128_cfb1(void);
869const EVP_CIPHER *EVP_camellia_128_cfb8(void);
870const EVP_CIPHER *EVP_camellia_128_cfb128(void);
871# define EVP_camellia_128_cfb EVP_camellia_128_cfb128
872const EVP_CIPHER *EVP_camellia_128_ofb(void);
873const EVP_CIPHER *EVP_camellia_128_ctr(void);
874const EVP_CIPHER *EVP_camellia_192_ecb(void);
875const EVP_CIPHER *EVP_camellia_192_cbc(void);
876const EVP_CIPHER *EVP_camellia_192_cfb1(void);
877const EVP_CIPHER *EVP_camellia_192_cfb8(void);
878const EVP_CIPHER *EVP_camellia_192_cfb128(void);
879# define EVP_camellia_192_cfb EVP_camellia_192_cfb128
880const EVP_CIPHER *EVP_camellia_192_ofb(void);
881const EVP_CIPHER *EVP_camellia_192_ctr(void);
882const EVP_CIPHER *EVP_camellia_256_ecb(void);
883const EVP_CIPHER *EVP_camellia_256_cbc(void);
884const EVP_CIPHER *EVP_camellia_256_cfb1(void);
885const EVP_CIPHER *EVP_camellia_256_cfb8(void);
886const EVP_CIPHER *EVP_camellia_256_cfb128(void);
887# define EVP_camellia_256_cfb EVP_camellia_256_cfb128
888const EVP_CIPHER *EVP_camellia_256_ofb(void);
889const EVP_CIPHER *EVP_camellia_256_ctr(void);
890# endif
891# ifndef OPENSSL_NO_CHACHA
892const EVP_CIPHER *EVP_chacha20(void);
893# ifndef OPENSSL_NO_POLY1305
894const EVP_CIPHER *EVP_chacha20_poly1305(void);
895# endif
896# endif
897
898# ifndef OPENSSL_NO_SEED
899const EVP_CIPHER *EVP_seed_ecb(void);
900const EVP_CIPHER *EVP_seed_cbc(void);
901const EVP_CIPHER *EVP_seed_cfb128(void);
902# define EVP_seed_cfb EVP_seed_cfb128
903const EVP_CIPHER *EVP_seed_ofb(void);
904# endif
905
906# if OPENSSL_API_COMPAT < 0x10100000L
907# define OPENSSL_add_all_algorithms_conf() \
908 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
909 | OPENSSL_INIT_ADD_ALL_DIGESTS \
910 | OPENSSL_INIT_LOAD_CONFIG, NULL)
911# define OPENSSL_add_all_algorithms_noconf() \
912 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
913 | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)
914
915# ifdef OPENSSL_LOAD_CONF
916# define OpenSSL_add_all_algorithms() \
917 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
918 | OPENSSL_INIT_ADD_ALL_DIGESTS \
919 | OPENSSL_INIT_LOAD_CONFIG, NULL)
920# else
921# define OpenSSL_add_all_algorithms() \
922 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
923 | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)
924# endif
925
926# define OpenSSL_add_all_ciphers() \
927 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL)
928# define OpenSSL_add_all_digests() \
929 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)
930
931# define EVP_cleanup() while(0) continue
932# endif
933
934int EVP_add_cipher(const EVP_CIPHER *cipher);
935int EVP_add_digest(const EVP_MD *digest);
936
937const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
938const EVP_MD *EVP_get_digestbyname(const char *name);
939
940void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
941 const char *from, const char *to, void *x),
942 void *arg);
943void EVP_CIPHER_do_all_sorted(void (*fn)
944 (const EVP_CIPHER *ciph, const char *from,
945 const char *to, void *x), void *arg);
946
947void EVP_MD_do_all(void (*fn) (const EVP_MD *ciph,
948 const char *from, const char *to, void *x),
949 void *arg);
950void EVP_MD_do_all_sorted(void (*fn)
951 (const EVP_MD *ciph, const char *from,
952 const char *to, void *x), void *arg);
953
954int EVP_PKEY_decrypt_old(unsigned char *dec_key,
955 const unsigned char *enc_key, int enc_key_len,
956 EVP_PKEY *private_key);
957int EVP_PKEY_encrypt_old(unsigned char *enc_key,
958 const unsigned char *key, int key_len,
959 EVP_PKEY *pub_key);
960int EVP_PKEY_type(int type);
961int EVP_PKEY_id(const EVP_PKEY *pkey);
962int EVP_PKEY_base_id(const EVP_PKEY *pkey);
963int EVP_PKEY_bits(const EVP_PKEY *pkey);
964int EVP_PKEY_security_bits(const EVP_PKEY *pkey);
965int EVP_PKEY_size(EVP_PKEY *pkey);
966int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
967int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
968int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
969void *EVP_PKEY_get0(const EVP_PKEY *pkey);
970const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len);
971# ifndef OPENSSL_NO_POLY1305
972const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len);
973# endif
974# ifndef OPENSSL_NO_SIPHASH
975const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len);
976# endif
977
978# ifndef OPENSSL_NO_RSA
979struct rsa_st;
980int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
981struct rsa_st *EVP_PKEY_get0_RSA(EVP_PKEY *pkey);
982struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
983# endif
984# ifndef OPENSSL_NO_DSA
985struct dsa_st;
986int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
987struct dsa_st *EVP_PKEY_get0_DSA(EVP_PKEY *pkey);
988struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
989# endif
990# ifndef OPENSSL_NO_DH
991struct dh_st;
992int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
993struct dh_st *EVP_PKEY_get0_DH(EVP_PKEY *pkey);
994struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
995# endif
996# ifndef OPENSSL_NO_EC
997struct ec_key_st;
998int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
999struct ec_key_st *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey);
1000struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
1001# endif
1002
1003EVP_PKEY *EVP_PKEY_new(void);
1004int EVP_PKEY_up_ref(EVP_PKEY *pkey);
1005void EVP_PKEY_free(EVP_PKEY *pkey);
1006
1007EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
1008 long length);
1009int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
1010
1011EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
1012 long length);
1013EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
1014 long length);
1015int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
1016
1017int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
1018int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
1019int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
1020int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
1021
1022int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
1023
1024int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
1025 int indent, ASN1_PCTX *pctx);
1026int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
1027 int indent, ASN1_PCTX *pctx);
1028int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
1029 int indent, ASN1_PCTX *pctx);
1030
1031int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
1032
1033int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey,
1034 const unsigned char *pt, size_t ptlen);
1035size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt);
1036
1037int EVP_CIPHER_type(const EVP_CIPHER *ctx);
1038
1039/* calls methods */
1040int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1041int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1042
1043/* These are used by EVP_CIPHER methods */
1044int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1045int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1046
1047/* PKCS5 password based encryption */
1048int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
1049 ASN1_TYPE *param, const EVP_CIPHER *cipher,
1050 const EVP_MD *md, int en_de);
1051int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
1052 const unsigned char *salt, int saltlen, int iter,
1053 int keylen, unsigned char *out);
1054int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
1055 const unsigned char *salt, int saltlen, int iter,
1056 const EVP_MD *digest, int keylen, unsigned char *out);
1057int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
1058 ASN1_TYPE *param, const EVP_CIPHER *cipher,
1059 const EVP_MD *md, int en_de);
1060
1061#ifndef OPENSSL_NO_SCRYPT
1062int EVP_PBE_scrypt(const char *pass, size_t passlen,
1063 const unsigned char *salt, size_t saltlen,
1064 uint64_t N, uint64_t r, uint64_t p, uint64_t maxmem,
1065 unsigned char *key, size_t keylen);
1066
1067int PKCS5_v2_scrypt_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass,
1068 int passlen, ASN1_TYPE *param,
1069 const EVP_CIPHER *c, const EVP_MD *md, int en_de);
1070#endif
1071
1072void PKCS5_PBE_add(void);
1073
1074int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
1075 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
1076
1077/* PBE type */
1078
1079/* Can appear as the outermost AlgorithmIdentifier */
1080# define EVP_PBE_TYPE_OUTER 0x0
1081/* Is an PRF type OID */
1082# define EVP_PBE_TYPE_PRF 0x1
1083/* Is a PKCS#5 v2.0 KDF */
1084# define EVP_PBE_TYPE_KDF 0x2
1085
1086int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
1087 int md_nid, EVP_PBE_KEYGEN *keygen);
1088int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
1089 EVP_PBE_KEYGEN *keygen);
1090int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
1091 EVP_PBE_KEYGEN **pkeygen);
1092void EVP_PBE_cleanup(void);
1093int EVP_PBE_get(int *ptype, int *ppbe_nid, size_t num);
1094
1095# define ASN1_PKEY_ALIAS 0x1
1096# define ASN1_PKEY_DYNAMIC 0x2
1097# define ASN1_PKEY_SIGPARAM_NULL 0x4
1098
1099# define ASN1_PKEY_CTRL_PKCS7_SIGN 0x1
1100# define ASN1_PKEY_CTRL_PKCS7_ENCRYPT 0x2
1101# define ASN1_PKEY_CTRL_DEFAULT_MD_NID 0x3
1102# define ASN1_PKEY_CTRL_CMS_SIGN 0x5
1103# define ASN1_PKEY_CTRL_CMS_ENVELOPE 0x7
1104# define ASN1_PKEY_CTRL_CMS_RI_TYPE 0x8
1105
1106# define ASN1_PKEY_CTRL_SET1_TLS_ENCPT 0x9
1107# define ASN1_PKEY_CTRL_GET1_TLS_ENCPT 0xa
1108
1109int EVP_PKEY_asn1_get_count(void);
1110const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
1111const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
1112const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
1113 const char *str, int len);
1114int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
1115int EVP_PKEY_asn1_add_alias(int to, int from);
1116int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id,
1117 int *ppkey_flags, const char **pinfo,
1118 const char **ppem_str,
1119 const EVP_PKEY_ASN1_METHOD *ameth);
1120
1121const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(const EVP_PKEY *pkey);
1122EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
1123 const char *pem_str,
1124 const char *info);
1125void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
1126 const EVP_PKEY_ASN1_METHOD *src);
1127void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
1128void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
1129 int (*pub_decode) (EVP_PKEY *pk,
1130 X509_PUBKEY *pub),
1131 int (*pub_encode) (X509_PUBKEY *pub,
1132 const EVP_PKEY *pk),
1133 int (*pub_cmp) (const EVP_PKEY *a,
1134 const EVP_PKEY *b),
1135 int (*pub_print) (BIO *out,
1136 const EVP_PKEY *pkey,
1137 int indent, ASN1_PCTX *pctx),
1138 int (*pkey_size) (const EVP_PKEY *pk),
1139 int (*pkey_bits) (const EVP_PKEY *pk));
1140void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
1141 int (*priv_decode) (EVP_PKEY *pk,
1142 const PKCS8_PRIV_KEY_INFO
1143 *p8inf),
1144 int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8,
1145 const EVP_PKEY *pk),
1146 int (*priv_print) (BIO *out,
1147 const EVP_PKEY *pkey,
1148 int indent,
1149 ASN1_PCTX *pctx));
1150void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
1151 int (*param_decode) (EVP_PKEY *pkey,
1152 const unsigned char **pder,
1153 int derlen),
1154 int (*param_encode) (const EVP_PKEY *pkey,
1155 unsigned char **pder),
1156 int (*param_missing) (const EVP_PKEY *pk),
1157 int (*param_copy) (EVP_PKEY *to,
1158 const EVP_PKEY *from),
1159 int (*param_cmp) (const EVP_PKEY *a,
1160 const EVP_PKEY *b),
1161 int (*param_print) (BIO *out,
1162 const EVP_PKEY *pkey,
1163 int indent,
1164 ASN1_PCTX *pctx));
1165
1166void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
1167 void (*pkey_free) (EVP_PKEY *pkey));
1168void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
1169 int (*pkey_ctrl) (EVP_PKEY *pkey, int op,
1170 long arg1, void *arg2));
1171void EVP_PKEY_asn1_set_item(EVP_PKEY_ASN1_METHOD *ameth,
1172 int (*item_verify) (EVP_MD_CTX *ctx,
1173 const ASN1_ITEM *it,
1174 void *asn,
1175 X509_ALGOR *a,
1176 ASN1_BIT_STRING *sig,
1177 EVP_PKEY *pkey),
1178 int (*item_sign) (EVP_MD_CTX *ctx,
1179 const ASN1_ITEM *it,
1180 void *asn,
1181 X509_ALGOR *alg1,
1182 X509_ALGOR *alg2,
1183 ASN1_BIT_STRING *sig));
1184
1185void EVP_PKEY_asn1_set_security_bits(EVP_PKEY_ASN1_METHOD *ameth,
1186 int (*pkey_security_bits) (const EVP_PKEY
1187 *pk));
1188
1189# define EVP_PKEY_OP_UNDEFINED 0
1190# define EVP_PKEY_OP_PARAMGEN (1<<1)
1191# define EVP_PKEY_OP_KEYGEN (1<<2)
1192# define EVP_PKEY_OP_SIGN (1<<3)
1193# define EVP_PKEY_OP_VERIFY (1<<4)
1194# define EVP_PKEY_OP_VERIFYRECOVER (1<<5)
1195# define EVP_PKEY_OP_SIGNCTX (1<<6)
1196# define EVP_PKEY_OP_VERIFYCTX (1<<7)
1197# define EVP_PKEY_OP_ENCRYPT (1<<8)
1198# define EVP_PKEY_OP_DECRYPT (1<<9)
1199# define EVP_PKEY_OP_DERIVE (1<<10)
1200
1201# define EVP_PKEY_OP_TYPE_SIG \
1202 (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
1203 | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
1204
1205# define EVP_PKEY_OP_TYPE_CRYPT \
1206 (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
1207
1208# define EVP_PKEY_OP_TYPE_NOGEN \
1209 (EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT | EVP_PKEY_OP_DERIVE)
1210
1211# define EVP_PKEY_OP_TYPE_GEN \
1212 (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
1213
1214# define EVP_PKEY_CTX_set_signature_md(ctx, md) \
1215 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, \
1216 EVP_PKEY_CTRL_MD, 0, (void *)(md))
1217
1218# define EVP_PKEY_CTX_get_signature_md(ctx, pmd) \
1219 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, \
1220 EVP_PKEY_CTRL_GET_MD, 0, (void *)(pmd))
1221
1222# define EVP_PKEY_CTX_set_mac_key(ctx, key, len) \
1223 EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_KEYGEN, \
1224 EVP_PKEY_CTRL_SET_MAC_KEY, len, (void *)(key))
1225
1226# define EVP_PKEY_CTRL_MD 1
1227# define EVP_PKEY_CTRL_PEER_KEY 2
1228
1229# define EVP_PKEY_CTRL_PKCS7_ENCRYPT 3
1230# define EVP_PKEY_CTRL_PKCS7_DECRYPT 4
1231
1232# define EVP_PKEY_CTRL_PKCS7_SIGN 5
1233
1234# define EVP_PKEY_CTRL_SET_MAC_KEY 6
1235
1236# define EVP_PKEY_CTRL_DIGESTINIT 7
1237
1238/* Used by GOST key encryption in TLS */
1239# define EVP_PKEY_CTRL_SET_IV 8
1240
1241# define EVP_PKEY_CTRL_CMS_ENCRYPT 9
1242# define EVP_PKEY_CTRL_CMS_DECRYPT 10
1243# define EVP_PKEY_CTRL_CMS_SIGN 11
1244
1245# define EVP_PKEY_CTRL_CIPHER 12
1246
1247# define EVP_PKEY_CTRL_GET_MD 13
1248
1249# define EVP_PKEY_CTRL_SET_DIGEST_SIZE 14
1250
1251# define EVP_PKEY_ALG_CTRL 0x1000
1252
1253# define EVP_PKEY_FLAG_AUTOARGLEN 2
1254/*
1255 * Method handles all operations: don't assume any digest related defaults.
1256 */
1257# define EVP_PKEY_FLAG_SIGCTX_CUSTOM 4
1258
1259const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
1260EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags);
1261void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
1262 const EVP_PKEY_METHOD *meth);
1263void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
1264void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
1265int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
1266
1267EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
1268EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
1269EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
1270void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
1271
1272int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1273 int cmd, int p1, void *p2);
1274int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
1275 const char *value);
1276
1277int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str);
1278int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex);
1279
1280int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md);
1281
1282int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
1283void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
1284
1285EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
1286 const unsigned char *key, int keylen);
1287
1288void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
1289void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
1290EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
1291
1292EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
1293
1294void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
1295void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
1296
1297int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
1298int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
1299 unsigned char *sig, size_t *siglen,
1300 const unsigned char *tbs, size_t tbslen);
1301int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
1302int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
1303 const unsigned char *sig, size_t siglen,
1304 const unsigned char *tbs, size_t tbslen);
1305int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
1306int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
1307 unsigned char *rout, size_t *routlen,
1308 const unsigned char *sig, size_t siglen);
1309int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
1310int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
1311 unsigned char *out, size_t *outlen,
1312 const unsigned char *in, size_t inlen);
1313int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
1314int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
1315 unsigned char *out, size_t *outlen,
1316 const unsigned char *in, size_t inlen);
1317
1318int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
1319int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
1320int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
1321
1322typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx);
1323
1324int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
1325int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1326int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
1327int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1328
1329void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
1330EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
1331
1332int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
1333
1334void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1335 int (*init) (EVP_PKEY_CTX *ctx));
1336
1337void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1338 int (*copy) (EVP_PKEY_CTX *dst,
1339 EVP_PKEY_CTX *src));
1340
1341void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1342 void (*cleanup) (EVP_PKEY_CTX *ctx));
1343
1344void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1345 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1346 int (*paramgen) (EVP_PKEY_CTX *ctx,
1347 EVP_PKEY *pkey));
1348
1349void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1350 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1351 int (*keygen) (EVP_PKEY_CTX *ctx,
1352 EVP_PKEY *pkey));
1353
1354void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1355 int (*sign_init) (EVP_PKEY_CTX *ctx),
1356 int (*sign) (EVP_PKEY_CTX *ctx,
1357 unsigned char *sig, size_t *siglen,
1358 const unsigned char *tbs,
1359 size_t tbslen));
1360
1361void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1362 int (*verify_init) (EVP_PKEY_CTX *ctx),
1363 int (*verify) (EVP_PKEY_CTX *ctx,
1364 const unsigned char *sig,
1365 size_t siglen,
1366 const unsigned char *tbs,
1367 size_t tbslen));
1368
1369void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1370 int (*verify_recover_init) (EVP_PKEY_CTX
1371 *ctx),
1372 int (*verify_recover) (EVP_PKEY_CTX
1373 *ctx,
1374 unsigned char
1375 *sig,
1376 size_t *siglen,
1377 const unsigned
1378 char *tbs,
1379 size_t tbslen));
1380
1381void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1382 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1383 EVP_MD_CTX *mctx),
1384 int (*signctx) (EVP_PKEY_CTX *ctx,
1385 unsigned char *sig,
1386 size_t *siglen,
1387 EVP_MD_CTX *mctx));
1388
1389void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1390 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1391 EVP_MD_CTX *mctx),
1392 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1393 const unsigned char *sig,
1394 int siglen,
1395 EVP_MD_CTX *mctx));
1396
1397void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1398 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1399 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1400 unsigned char *out,
1401 size_t *outlen,
1402 const unsigned char *in,
1403 size_t inlen));
1404
1405void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1406 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1407 int (*decrypt) (EVP_PKEY_CTX *ctx,
1408 unsigned char *out,
1409 size_t *outlen,
1410 const unsigned char *in,
1411 size_t inlen));
1412
1413void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1414 int (*derive_init) (EVP_PKEY_CTX *ctx),
1415 int (*derive) (EVP_PKEY_CTX *ctx,
1416 unsigned char *key,
1417 size_t *keylen));
1418
1419void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1420 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1421 void *p2),
1422 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1423 const char *type,
1424 const char *value));
1425
1426void EVP_PKEY_meth_get_init(EVP_PKEY_METHOD *pmeth,
1427 int (**pinit) (EVP_PKEY_CTX *ctx));
1428
1429void EVP_PKEY_meth_get_copy(EVP_PKEY_METHOD *pmeth,
1430 int (**pcopy) (EVP_PKEY_CTX *dst,
1431 EVP_PKEY_CTX *src));
1432
1433void EVP_PKEY_meth_get_cleanup(EVP_PKEY_METHOD *pmeth,
1434 void (**pcleanup) (EVP_PKEY_CTX *ctx));
1435
1436void EVP_PKEY_meth_get_paramgen(EVP_PKEY_METHOD *pmeth,
1437 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1438 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1439 EVP_PKEY *pkey));
1440
1441void EVP_PKEY_meth_get_keygen(EVP_PKEY_METHOD *pmeth,
1442 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1443 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1444 EVP_PKEY *pkey));
1445
1446void EVP_PKEY_meth_get_sign(EVP_PKEY_METHOD *pmeth,
1447 int (**psign_init) (EVP_PKEY_CTX *ctx),
1448 int (**psign) (EVP_PKEY_CTX *ctx,
1449 unsigned char *sig, size_t *siglen,
1450 const unsigned char *tbs,
1451 size_t tbslen));
1452
1453void EVP_PKEY_meth_get_verify(EVP_PKEY_METHOD *pmeth,
1454 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1455 int (**pverify) (EVP_PKEY_CTX *ctx,
1456 const unsigned char *sig,
1457 size_t siglen,
1458 const unsigned char *tbs,
1459 size_t tbslen));
1460
1461void EVP_PKEY_meth_get_verify_recover(EVP_PKEY_METHOD *pmeth,
1462 int (**pverify_recover_init) (EVP_PKEY_CTX
1463 *ctx),
1464 int (**pverify_recover) (EVP_PKEY_CTX
1465 *ctx,
1466 unsigned char
1467 *sig,
1468 size_t *siglen,
1469 const unsigned
1470 char *tbs,
1471 size_t tbslen));
1472
1473void EVP_PKEY_meth_get_signctx(EVP_PKEY_METHOD *pmeth,
1474 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1475 EVP_MD_CTX *mctx),
1476 int (**psignctx) (EVP_PKEY_CTX *ctx,
1477 unsigned char *sig,
1478 size_t *siglen,
1479 EVP_MD_CTX *mctx));
1480
1481void EVP_PKEY_meth_get_verifyctx(EVP_PKEY_METHOD *pmeth,
1482 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1483 EVP_MD_CTX *mctx),
1484 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1485 const unsigned char *sig,
1486 int siglen,
1487 EVP_MD_CTX *mctx));
1488
1489void EVP_PKEY_meth_get_encrypt(EVP_PKEY_METHOD *pmeth,
1490 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1491 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1492 unsigned char *out,
1493 size_t *outlen,
1494 const unsigned char *in,
1495 size_t inlen));
1496
1497void EVP_PKEY_meth_get_decrypt(EVP_PKEY_METHOD *pmeth,
1498 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1499 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1500 unsigned char *out,
1501 size_t *outlen,
1502 const unsigned char *in,
1503 size_t inlen));
1504
1505void EVP_PKEY_meth_get_derive(EVP_PKEY_METHOD *pmeth,
1506 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1507 int (**pderive) (EVP_PKEY_CTX *ctx,
1508 unsigned char *key,
1509 size_t *keylen));
1510
1511void EVP_PKEY_meth_get_ctrl(EVP_PKEY_METHOD *pmeth,
1512 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1513 void *p2),
1514 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1515 const char *type,
1516 const char *value));
1517
1518void EVP_add_alg_module(void);
1519
1520int ERR_load_EVP_strings(void);
1521
1522# ifdef __cplusplus
1523}
1524# endif
1525#endif
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