2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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
11 #include "internal/cryptlib.h"
12 #include <openssl/buffer.h>
13 #include <openssl/objects.h>
14 #include <openssl/evp.h>
15 #include <openssl/x509.h>
16 #include <openssl/pkcs12.h>
17 #include <openssl/pem.h>
19 static int do_pk8pkey(BIO *bp, const EVP_PKEY *x, int isder,
20 int nid, const EVP_CIPHER *enc,
21 const char *kstr, int klen,
22 pem_password_cb *cb, void *u);
24 #ifndef OPENSSL_NO_STDIO
25 static int do_pk8pkey_fp(FILE *bp, const EVP_PKEY *x, int isder,
26 int nid, const EVP_CIPHER *enc,
27 const char *kstr, int klen,
28 pem_password_cb *cb, void *u);
31 * These functions write a private key in PKCS#8 format: it is a "drop in"
32 * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc'
33 * is NULL then it uses the unencrypted private key form. The 'nid' versions
34 * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0.
37 int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, const EVP_PKEY *x, int nid,
38 const char *kstr, int klen,
39 pem_password_cb *cb, void *u)
41 return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
44 int PEM_write_bio_PKCS8PrivateKey(BIO *bp, const EVP_PKEY *x, const EVP_CIPHER *enc,
45 const char *kstr, int klen,
46 pem_password_cb *cb, void *u)
48 return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
51 int i2d_PKCS8PrivateKey_bio(BIO *bp, const EVP_PKEY *x, const EVP_CIPHER *enc,
52 const char *kstr, int klen,
53 pem_password_cb *cb, void *u)
55 return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
58 int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, const EVP_PKEY *x, int nid,
59 const char *kstr, int klen,
60 pem_password_cb *cb, void *u)
62 return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
65 static int do_pk8pkey(BIO *bp, const EVP_PKEY *x, int isder, int nid,
66 const EVP_CIPHER *enc, const char *kstr, int klen,
67 pem_password_cb *cb, void *u)
70 PKCS8_PRIV_KEY_INFO *p8inf;
71 char buf[PEM_BUFSIZE];
74 if ((p8inf = EVP_PKEY2PKCS8(x)) == NULL) {
75 PEMerr(PEM_F_DO_PK8PKEY, PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
78 if (enc || (nid != -1)) {
81 klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
83 klen = cb(buf, PEM_BUFSIZE, 1, u);
85 PEMerr(PEM_F_DO_PK8PKEY, PEM_R_READ_KEY);
86 PKCS8_PRIV_KEY_INFO_free(p8inf);
92 p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
94 OPENSSL_cleanse(buf, klen);
95 PKCS8_PRIV_KEY_INFO_free(p8inf);
99 ret = i2d_PKCS8_bio(bp, p8);
101 ret = PEM_write_bio_PKCS8(bp, p8);
106 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
108 ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
109 PKCS8_PRIV_KEY_INFO_free(p8inf);
114 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
117 PKCS8_PRIV_KEY_INFO *p8inf = NULL;
121 char psbuf[PEM_BUFSIZE];
123 p8 = d2i_PKCS8_bio(bp, NULL);
127 klen = cb(psbuf, PEM_BUFSIZE, 0, u);
129 klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
131 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
135 p8inf = PKCS8_decrypt(p8, psbuf, klen);
137 OPENSSL_cleanse(psbuf, klen);
140 ret = EVP_PKCS82PKEY(p8inf);
141 PKCS8_PRIV_KEY_INFO_free(p8inf);
151 #ifndef OPENSSL_NO_STDIO
153 int i2d_PKCS8PrivateKey_fp(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
154 const char *kstr, int klen,
155 pem_password_cb *cb, void *u)
157 return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
160 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, const EVP_PKEY *x, int nid,
161 const char *kstr, int klen,
162 pem_password_cb *cb, void *u)
164 return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
167 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, const EVP_PKEY *x, int nid,
168 const char *kstr, int klen,
169 pem_password_cb *cb, void *u)
171 return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
174 int PEM_write_PKCS8PrivateKey(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
175 const char *kstr, int klen,
176 pem_password_cb *cb, void *u)
178 return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
181 static int do_pk8pkey_fp(FILE *fp, const EVP_PKEY *x, int isder, int nid,
182 const EVP_CIPHER *enc, const char *kstr, int klen,
183 pem_password_cb *cb, void *u)
188 if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
189 PEMerr(PEM_F_DO_PK8PKEY_FP, ERR_R_BUF_LIB);
192 ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
197 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
203 if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
204 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP, ERR_R_BUF_LIB);
207 ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
214 IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
217 IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,