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Commit | Line | Data |
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62867571 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
1241126a | 3 | * |
62867571 RS |
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 | |
1241126a DSH |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
1241126a DSH |
12 | #include <openssl/buffer.h> |
13 | #include <openssl/objects.h> | |
14 | #include <openssl/evp.h> | |
15 | #include <openssl/rand.h> | |
16 | #include <openssl/x509.h> | |
17 | #include <openssl/pkcs12.h> | |
18 | #include <openssl/pem.h> | |
19 | ||
20 | static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, | |
0f113f3e MC |
21 | int nid, const EVP_CIPHER *enc, |
22 | char *kstr, int klen, pem_password_cb *cb, void *u); | |
984d6c60 DW |
23 | |
24 | #ifndef OPENSSL_NO_STDIO | |
1241126a | 25 | static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder, |
0f113f3e MC |
26 | int nid, const EVP_CIPHER *enc, |
27 | char *kstr, int klen, pem_password_cb *cb, void *u); | |
984d6c60 | 28 | #endif |
0f113f3e MC |
29 | /* |
30 | * These functions write a private key in PKCS#8 format: it is a "drop in" | |
1241126a DSH |
31 | * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc' |
32 | * is NULL then it uses the unencrypted private key form. The 'nid' versions | |
33 | * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0. | |
34 | */ | |
35 | ||
36 | int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid, | |
0f113f3e MC |
37 | char *kstr, int klen, |
38 | pem_password_cb *cb, void *u) | |
1241126a | 39 | { |
0f113f3e | 40 | return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u); |
1241126a DSH |
41 | } |
42 | ||
43 | int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
0f113f3e MC |
44 | char *kstr, int klen, |
45 | pem_password_cb *cb, void *u) | |
1241126a | 46 | { |
0f113f3e | 47 | return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u); |
1241126a DSH |
48 | } |
49 | ||
50 | int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
0f113f3e MC |
51 | char *kstr, int klen, |
52 | pem_password_cb *cb, void *u) | |
1241126a | 53 | { |
0f113f3e | 54 | return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u); |
1241126a DSH |
55 | } |
56 | ||
57 | int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid, | |
0f113f3e MC |
58 | char *kstr, int klen, |
59 | pem_password_cb *cb, void *u) | |
1241126a | 60 | { |
0f113f3e | 61 | return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u); |
1241126a DSH |
62 | } |
63 | ||
0f113f3e MC |
64 | static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, |
65 | const EVP_CIPHER *enc, char *kstr, int klen, | |
66 | pem_password_cb *cb, void *u) | |
1241126a | 67 | { |
0f113f3e MC |
68 | X509_SIG *p8; |
69 | PKCS8_PRIV_KEY_INFO *p8inf; | |
70 | char buf[PEM_BUFSIZE]; | |
71 | int ret; | |
75ebbd9a RS |
72 | |
73 | if ((p8inf = EVP_PKEY2PKCS8(x)) == NULL) { | |
0f113f3e MC |
74 | PEMerr(PEM_F_DO_PK8PKEY, PEM_R_ERROR_CONVERTING_PRIVATE_KEY); |
75 | return 0; | |
76 | } | |
77 | if (enc || (nid != -1)) { | |
78 | if (!kstr) { | |
79 | if (!cb) | |
80 | klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u); | |
81 | else | |
82 | klen = cb(buf, PEM_BUFSIZE, 1, u); | |
83 | if (klen <= 0) { | |
84 | PEMerr(PEM_F_DO_PK8PKEY, PEM_R_READ_KEY); | |
85 | PKCS8_PRIV_KEY_INFO_free(p8inf); | |
86 | return 0; | |
87 | } | |
88 | ||
89 | kstr = buf; | |
90 | } | |
91 | p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf); | |
92 | if (kstr == buf) | |
93 | OPENSSL_cleanse(buf, klen); | |
94 | PKCS8_PRIV_KEY_INFO_free(p8inf); | |
2849707f DSH |
95 | if (p8 == NULL) |
96 | return 0; | |
0f113f3e MC |
97 | if (isder) |
98 | ret = i2d_PKCS8_bio(bp, p8); | |
99 | else | |
100 | ret = PEM_write_bio_PKCS8(bp, p8); | |
101 | X509_SIG_free(p8); | |
102 | return ret; | |
103 | } else { | |
104 | if (isder) | |
105 | ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf); | |
106 | else | |
107 | ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf); | |
108 | PKCS8_PRIV_KEY_INFO_free(p8inf); | |
109 | return ret; | |
110 | } | |
1241126a DSH |
111 | } |
112 | ||
0f113f3e MC |
113 | EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, |
114 | void *u) | |
1241126a | 115 | { |
0f113f3e MC |
116 | PKCS8_PRIV_KEY_INFO *p8inf = NULL; |
117 | X509_SIG *p8 = NULL; | |
118 | int klen; | |
119 | EVP_PKEY *ret; | |
120 | char psbuf[PEM_BUFSIZE]; | |
121 | p8 = d2i_PKCS8_bio(bp, NULL); | |
122 | if (!p8) | |
123 | return NULL; | |
124 | if (cb) | |
125 | klen = cb(psbuf, PEM_BUFSIZE, 0, u); | |
126 | else | |
127 | klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u); | |
128 | if (klen <= 0) { | |
129 | PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ); | |
130 | X509_SIG_free(p8); | |
131 | return NULL; | |
132 | } | |
133 | p8inf = PKCS8_decrypt(p8, psbuf, klen); | |
134 | X509_SIG_free(p8); | |
135 | if (!p8inf) | |
136 | return NULL; | |
137 | ret = EVP_PKCS82PKEY(p8inf); | |
138 | PKCS8_PRIV_KEY_INFO_free(p8inf); | |
139 | if (!ret) | |
140 | return NULL; | |
141 | if (x) { | |
c5ba2d99 | 142 | EVP_PKEY_free(*x); |
0f113f3e MC |
143 | *x = ret; |
144 | } | |
145 | return ret; | |
1241126a DSH |
146 | } |
147 | ||
4b618848 | 148 | #ifndef OPENSSL_NO_STDIO |
1241126a DSH |
149 | |
150 | int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
0f113f3e | 151 | char *kstr, int klen, pem_password_cb *cb, void *u) |
1241126a | 152 | { |
0f113f3e | 153 | return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u); |
1241126a DSH |
154 | } |
155 | ||
156 | int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid, | |
0f113f3e MC |
157 | char *kstr, int klen, |
158 | pem_password_cb *cb, void *u) | |
1241126a | 159 | { |
0f113f3e | 160 | return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u); |
1241126a DSH |
161 | } |
162 | ||
163 | int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid, | |
0f113f3e MC |
164 | char *kstr, int klen, |
165 | pem_password_cb *cb, void *u) | |
1241126a | 166 | { |
0f113f3e | 167 | return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u); |
1241126a DSH |
168 | } |
169 | ||
170 | int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
0f113f3e MC |
171 | char *kstr, int klen, pem_password_cb *cb, |
172 | void *u) | |
1241126a | 173 | { |
0f113f3e | 174 | return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u); |
1241126a DSH |
175 | } |
176 | ||
0f113f3e MC |
177 | static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, |
178 | const EVP_CIPHER *enc, char *kstr, int klen, | |
179 | pem_password_cb *cb, void *u) | |
1241126a | 180 | { |
0f113f3e MC |
181 | BIO *bp; |
182 | int ret; | |
75ebbd9a RS |
183 | |
184 | if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) { | |
0f113f3e MC |
185 | PEMerr(PEM_F_DO_PK8PKEY_FP, ERR_R_BUF_LIB); |
186 | return (0); | |
187 | } | |
188 | ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u); | |
189 | BIO_free(bp); | |
190 | return ret; | |
1241126a DSH |
191 | } |
192 | ||
0f113f3e MC |
193 | EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, |
194 | void *u) | |
1241126a | 195 | { |
0f113f3e MC |
196 | BIO *bp; |
197 | EVP_PKEY *ret; | |
75ebbd9a RS |
198 | |
199 | if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) { | |
0f113f3e MC |
200 | PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP, ERR_R_BUF_LIB); |
201 | return NULL; | |
202 | } | |
203 | ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u); | |
204 | BIO_free(bp); | |
205 | return ret; | |
1241126a DSH |
206 | } |
207 | ||
208 | #endif | |
209 | ||
210 | IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG) | |
0f113f3e MC |
211 | |
212 | ||
1241126a | 213 | IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, |
0f113f3e | 214 | PKCS8_PRIV_KEY_INFO) |