87f37bc5a3
-Built-in version of the library for Windows, Android and iOS (other OSs use system one) -Small fixes all around
242 lines
8.1 KiB
C
242 lines
8.1 KiB
C
/* crypto/pem/pem_pkey.c */
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.]
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "cryptlib.h"
|
|
#include <openssl/buffer.h>
|
|
#include <openssl/objects.h>
|
|
#include <openssl/evp.h>
|
|
#include <openssl/rand.h>
|
|
#include <openssl/x509.h>
|
|
#include <openssl/pkcs12.h>
|
|
#include <openssl/pem.h>
|
|
|
|
static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder,
|
|
int nid, const EVP_CIPHER *enc,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u);
|
|
static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder,
|
|
int nid, const EVP_CIPHER *enc,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u);
|
|
|
|
/* These functions write a private key in PKCS#8 format: it is a "drop in"
|
|
* replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc'
|
|
* is NULL then it uses the unencrypted private key form. The 'nid' versions
|
|
* uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0.
|
|
*/
|
|
|
|
int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u)
|
|
{
|
|
return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
|
|
}
|
|
|
|
int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u)
|
|
{
|
|
return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
|
|
}
|
|
|
|
int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u)
|
|
{
|
|
return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
|
|
}
|
|
|
|
int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u)
|
|
{
|
|
return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
|
|
}
|
|
|
|
static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u)
|
|
{
|
|
X509_SIG *p8;
|
|
PKCS8_PRIV_KEY_INFO *p8inf;
|
|
char buf[PEM_BUFSIZE];
|
|
int ret;
|
|
if(!(p8inf = EVP_PKEY2PKCS8(x))) {
|
|
PEMerr(PEM_F_DO_PK8PKEY,
|
|
PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
|
|
return 0;
|
|
}
|
|
if(enc || (nid != -1)) {
|
|
if(!kstr) {
|
|
if(!cb) klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
|
|
else klen = cb(buf, PEM_BUFSIZE, 1, u);
|
|
if(klen <= 0) {
|
|
PEMerr(PEM_F_DO_PK8PKEY,PEM_R_READ_KEY);
|
|
PKCS8_PRIV_KEY_INFO_free(p8inf);
|
|
return 0;
|
|
}
|
|
|
|
kstr = buf;
|
|
}
|
|
p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
|
|
if(kstr == buf) OPENSSL_cleanse(buf, klen);
|
|
PKCS8_PRIV_KEY_INFO_free(p8inf);
|
|
if(isder) ret = i2d_PKCS8_bio(bp, p8);
|
|
else ret = PEM_write_bio_PKCS8(bp, p8);
|
|
X509_SIG_free(p8);
|
|
return ret;
|
|
} else {
|
|
if(isder) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
|
|
else ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
|
|
PKCS8_PRIV_KEY_INFO_free(p8inf);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
|
|
{
|
|
PKCS8_PRIV_KEY_INFO *p8inf = NULL;
|
|
X509_SIG *p8 = NULL;
|
|
int klen;
|
|
EVP_PKEY *ret;
|
|
char psbuf[PEM_BUFSIZE];
|
|
p8 = d2i_PKCS8_bio(bp, NULL);
|
|
if(!p8) return NULL;
|
|
if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u);
|
|
else klen=PEM_def_callback(psbuf,PEM_BUFSIZE,0,u);
|
|
if (klen <= 0) {
|
|
PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
|
|
X509_SIG_free(p8);
|
|
return NULL;
|
|
}
|
|
p8inf = PKCS8_decrypt(p8, psbuf, klen);
|
|
X509_SIG_free(p8);
|
|
if(!p8inf) return NULL;
|
|
ret = EVP_PKCS82PKEY(p8inf);
|
|
PKCS8_PRIV_KEY_INFO_free(p8inf);
|
|
if(!ret) return NULL;
|
|
if(x) {
|
|
if(*x) EVP_PKEY_free(*x);
|
|
*x = ret;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_FP_API
|
|
|
|
int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u)
|
|
{
|
|
return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
|
|
}
|
|
|
|
int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u)
|
|
{
|
|
return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
|
|
}
|
|
|
|
int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u)
|
|
{
|
|
return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
|
|
}
|
|
|
|
int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
|
|
char *kstr, int klen, pem_password_cb *cb, void *u)
|
|
{
|
|
return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
|
|
}
|
|
|
|
static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
|
|
char *kstr, int klen,
|
|
pem_password_cb *cb, void *u)
|
|
{
|
|
BIO *bp;
|
|
int ret;
|
|
if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
|
|
PEMerr(PEM_F_DO_PK8PKEY_FP,ERR_R_BUF_LIB);
|
|
return(0);
|
|
}
|
|
ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
|
|
BIO_free(bp);
|
|
return ret;
|
|
}
|
|
|
|
EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
|
|
{
|
|
BIO *bp;
|
|
EVP_PKEY *ret;
|
|
if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
|
|
PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP,ERR_R_BUF_LIB);
|
|
return NULL;
|
|
}
|
|
ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
|
|
BIO_free(bp);
|
|
return ret;
|
|
}
|
|
|
|
#endif
|
|
|
|
IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
|
|
IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,
|
|
PKCS8_PRIV_KEY_INFO)
|