2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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
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, EVP_PKEY *x, int isder,
20 int nid, const EVP_CIPHER *enc,
21 char *kstr, int klen, pem_password_cb *cb, void *u);
23 #ifndef OPENSSL_NO_STDIO
24 static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder,
25 int nid, const EVP_CIPHER *enc,
26 char *kstr, int klen, pem_password_cb *cb, void *u);
29 * These functions write a private key in PKCS#8 format: it is a "drop in"
30 * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc'
31 * is NULL then it uses the unencrypted private key form. The 'nid' versions
32 * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0.
35 int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
37 pem_password_cb *cb, void *u)
39 return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
42 int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
44 pem_password_cb *cb, void *u)
46 return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
49 int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
51 pem_password_cb *cb, void *u)
53 return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
56 int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
58 pem_password_cb *cb, void *u)
60 return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
63 static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid,
64 const EVP_CIPHER *enc, char *kstr, int klen,
65 pem_password_cb *cb, void *u)
68 PKCS8_PRIV_KEY_INFO *p8inf;
69 char buf[PEM_BUFSIZE];
72 if ((p8inf = EVP_PKEY2PKCS8(x)) == NULL) {
73 PEMerr(PEM_F_DO_PK8PKEY, PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
76 if (enc || (nid != -1)) {
79 klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
81 klen = cb(buf, PEM_BUFSIZE, 1, u);
83 PEMerr(PEM_F_DO_PK8PKEY, PEM_R_READ_KEY);
84 PKCS8_PRIV_KEY_INFO_free(p8inf);
90 p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
92 OPENSSL_cleanse(buf, klen);
93 PKCS8_PRIV_KEY_INFO_free(p8inf);
97 ret = i2d_PKCS8_bio(bp, p8);
99 ret = PEM_write_bio_PKCS8(bp, p8);
104 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
106 ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
107 PKCS8_PRIV_KEY_INFO_free(p8inf);
112 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
115 PKCS8_PRIV_KEY_INFO *p8inf = NULL;
119 char psbuf[PEM_BUFSIZE];
120 p8 = d2i_PKCS8_bio(bp, NULL);
124 klen = cb(psbuf, PEM_BUFSIZE, 0, u);
126 klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
128 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
132 p8inf = PKCS8_decrypt(p8, psbuf, klen);
134 OPENSSL_cleanse(psbuf, klen);
137 ret = EVP_PKCS82PKEY(p8inf);
138 PKCS8_PRIV_KEY_INFO_free(p8inf);
148 #ifndef OPENSSL_NO_STDIO
150 int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
151 char *kstr, int klen, pem_password_cb *cb, void *u)
153 return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
156 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
157 char *kstr, int klen,
158 pem_password_cb *cb, void *u)
160 return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
163 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
164 char *kstr, int klen,
165 pem_password_cb *cb, void *u)
167 return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
170 int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
171 char *kstr, int klen, pem_password_cb *cb,
174 return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
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)
184 if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
185 PEMerr(PEM_F_DO_PK8PKEY_FP, ERR_R_BUF_LIB);
188 ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
193 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
199 if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
200 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP, ERR_R_BUF_LIB);
203 ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
210 IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
213 IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,