-/* crypto/pem/pem_pkey.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. 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.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/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>
-#include "asn1_locl.h"
+#include <openssl/engine.h>
+#include <openssl/dh.h>
+#include "internal/asn1_int.h"
+#include "internal/evp_int.h"
int pem_check_suffix(const char *pem_str, const char *suffix);
-EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
- {
- char *nm=NULL;
- const unsigned char *p=NULL;
- unsigned char *data=NULL;
- long len;
- int slen;
- EVP_PKEY *ret=NULL;
-
- if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u))
- return NULL;
- p = data;
-
- if ((slen = pem_check_suffix(nm, "PRIVATE KEY")) > 0)
- {
- const EVP_PKEY_ASN1_METHOD *ameth;
- ameth = EVP_PKEY_asn1_find_str(nm, slen);
- if (!ameth || !ameth->old_priv_decode)
- goto p8err;
- ret=d2i_PrivateKey(ameth->pkey_id,x,&p,len);
- }
- else if (strcmp(nm,PEM_STRING_PKCS8INF) == 0) {
- PKCS8_PRIV_KEY_INFO *p8inf;
- p8inf=d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);
- if(!p8inf) goto p8err;
- ret = EVP_PKCS82PKEY(p8inf);
- if(x) {
- if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
- *x = ret;
- }
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- } else if (strcmp(nm,PEM_STRING_PKCS8) == 0) {
- PKCS8_PRIV_KEY_INFO *p8inf;
- X509_SIG *p8;
- int klen;
- char psbuf[PEM_BUFSIZE];
- p8 = d2i_X509_SIG(NULL, &p, len);
- if(!p8) goto p8err;
- 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_PEM_READ_BIO_PRIVATEKEY,
- PEM_R_BAD_PASSWORD_READ);
- X509_SIG_free(p8);
- goto err;
- }
- p8inf = PKCS8_decrypt(p8, psbuf, klen);
- X509_SIG_free(p8);
- if(!p8inf) goto p8err;
- ret = EVP_PKCS82PKEY(p8inf);
- if(x) {
- if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
- *x = ret;
- }
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- }
-p8err:
- if (ret == NULL)
- PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,ERR_R_ASN1_LIB);
-err:
- OPENSSL_free(nm);
- OPENSSL_free(data);
- return(ret);
- }
+EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
+ void *u)
+{
+ char *nm = NULL;
+ const unsigned char *p = NULL;
+ unsigned char *data = NULL;
+ long len;
+ int slen;
+ EVP_PKEY *ret = NULL;
+
+ if (!PEM_bytes_read_bio_secmem(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp,
+ cb, u))
+ return NULL;
+ p = data;
+
+ if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) {
+ PKCS8_PRIV_KEY_INFO *p8inf;
+ p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);
+ if (!p8inf)
+ goto p8err;
+ ret = EVP_PKCS82PKEY(p8inf);
+ if (x) {
+ EVP_PKEY_free((EVP_PKEY *)*x);
+ *x = ret;
+ }
+ PKCS8_PRIV_KEY_INFO_free(p8inf);
+ } else if (strcmp(nm, PEM_STRING_PKCS8) == 0) {
+ PKCS8_PRIV_KEY_INFO *p8inf;
+ X509_SIG *p8;
+ int klen;
+ char psbuf[PEM_BUFSIZE];
+ p8 = d2i_X509_SIG(NULL, &p, len);
+ if (!p8)
+ goto p8err;
+ 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_PEM_READ_BIO_PRIVATEKEY, PEM_R_BAD_PASSWORD_READ);
+ X509_SIG_free(p8);
+ goto err;
+ }
+ p8inf = PKCS8_decrypt(p8, psbuf, klen);
+ X509_SIG_free(p8);
+ OPENSSL_cleanse(psbuf, klen);
+ if (!p8inf)
+ goto p8err;
+ ret = EVP_PKCS82PKEY(p8inf);
+ if (x) {
+ EVP_PKEY_free((EVP_PKEY *)*x);
+ *x = ret;
+ }
+ PKCS8_PRIV_KEY_INFO_free(p8inf);
+ } else if ((slen = pem_check_suffix(nm, "PRIVATE KEY")) > 0) {
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen);
+ if (!ameth || !ameth->old_priv_decode)
+ goto p8err;
+ ret = d2i_PrivateKey(ameth->pkey_id, x, &p, len);
+ }
+ p8err:
+ if (ret == NULL)
+ PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, ERR_R_ASN1_LIB);
+ err:
+ OPENSSL_secure_free(nm);
+ OPENSSL_secure_free(data);
+ return (ret);
+}
int PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
- unsigned char *kstr, int klen,
- pem_password_cb *cb, void *u)
- {
- char pem_str[80];
- if (!x->ameth || !x->ameth->old_priv_encode)
- return PEM_write_bio_PKCS8PrivateKey(bp, x, enc,
- (char *)kstr, klen,
- cb, u);
-
- BIO_snprintf(pem_str, 80, "%s PRIVATE KEY", x->ameth->pem_str);
- return PEM_ASN1_write_bio((i2d_of_void *)openssl_fcast(i2d_PrivateKey),
- pem_str,bp,(char *)x,enc,kstr,klen,cb,u);
- }
-
-EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
- {
- char *nm=NULL;
- const unsigned char *p=NULL;
- unsigned char *data=NULL;
- long len;
- int slen;
- EVP_PKEY *ret=NULL;
-
- if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_PARAMETERS,
- bp, cb, u))
- return NULL;
- p = data;
-
- if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0)
- {
- const EVP_PKEY_ASN1_METHOD *ameth;
- ameth = EVP_PKEY_asn1_find_str(nm, slen);
- if (!ameth || !ameth->param_decode)
- goto err;
- ret = EVP_PKEY_new();
- if (!ret)
- goto err;
- if (!ameth->param_decode(ret, &p, len))
- {
- EVP_PKEY_free(ret);
- ret = NULL;
- goto err;
- }
- if(x)
- {
- if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
- *x = ret;
- }
- }
-err:
- if (ret == NULL)
- PEMerr(PEM_F_PEM_READ_BIO_PARAMETERS,ERR_R_ASN1_LIB);
- OPENSSL_free(nm);
- OPENSSL_free(data);
- return(ret);
- }
-
-int PEM_write_bio_Paramters(BIO *bp, EVP_PKEY *x)
- {
- char pem_str[80];
- if (!x->ameth || !x->ameth->param_encode)
- return 0;
-
- BIO_snprintf(pem_str, 80, "%s PARAMETERS", x->ameth->pem_str);
- return PEM_ASN1_write_bio(
- (i2d_of_void *)openssl_fcast(x->ameth->param_encode),
- pem_str,bp,(char *)x,NULL,NULL,0,0,NULL);
- }
-
-#ifndef OPENSSL_NO_FP_API
-EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
- {
- BIO *b;
- EVP_PKEY *ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- PEMerr(PEM_F_PEM_READ_PRIVATEKEY,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=PEM_read_bio_PrivateKey(b,x,cb,u);
- BIO_free(b);
- return(ret);
- }
+ unsigned char *kstr, int klen,
+ pem_password_cb *cb, void *u)
+{
+ if (x->ameth == NULL || x->ameth->priv_encode != NULL)
+ return PEM_write_bio_PKCS8PrivateKey(bp, x, enc,
+ (char *)kstr, klen, cb, u);
+ return PEM_write_bio_PrivateKey_traditional(bp, x, enc, kstr, klen, cb, u);
+}
+
+int PEM_write_bio_PrivateKey_traditional(BIO *bp, EVP_PKEY *x,
+ const EVP_CIPHER *enc,
+ unsigned char *kstr, int klen,
+ pem_password_cb *cb, void *u)
+{
+ char pem_str[80];
+ BIO_snprintf(pem_str, 80, "%s PRIVATE KEY", x->ameth->pem_str);
+ return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey,
+ pem_str, bp, x, enc, kstr, klen, cb, u);
+}
+
+EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x)
+{
+ char *nm = NULL;
+ const unsigned char *p = NULL;
+ unsigned char *data = NULL;
+ long len;
+ int slen;
+ EVP_PKEY *ret = NULL;
+
+ if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_PARAMETERS,
+ bp, 0, NULL))
+ return NULL;
+ p = data;
+
+ if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0) {
+ ret = EVP_PKEY_new();
+ if (ret == NULL)
+ goto err;
+ if (!EVP_PKEY_set_type_str(ret, nm, slen)
+ || !ret->ameth->param_decode
+ || !ret->ameth->param_decode(ret, &p, len)) {
+ EVP_PKEY_free(ret);
+ ret = NULL;
+ goto err;
+ }
+ if (x) {
+ EVP_PKEY_free((EVP_PKEY *)*x);
+ *x = ret;
+ }
+ }
+ err:
+ if (ret == NULL)
+ PEMerr(PEM_F_PEM_READ_BIO_PARAMETERS, ERR_R_ASN1_LIB);
+ OPENSSL_free(nm);
+ OPENSSL_free(data);
+ return (ret);
+}
+
+int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x)
+{
+ char pem_str[80];
+ if (!x->ameth || !x->ameth->param_encode)
+ return 0;
+
+ BIO_snprintf(pem_str, 80, "%s PARAMETERS", x->ameth->pem_str);
+ return PEM_ASN1_write_bio((i2d_of_void *)x->ameth->param_encode,
+ pem_str, bp, x, NULL, NULL, 0, 0, NULL);
+}
+
+#ifndef OPENSSL_NO_STDIO
+EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
+ void *u)
+{
+ BIO *b;
+ EVP_PKEY *ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ PEMerr(PEM_F_PEM_READ_PRIVATEKEY, ERR_R_BUF_LIB);
+ return (0);
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = PEM_read_bio_PrivateKey(b, x, cb, u);
+ BIO_free(b);
+ return (ret);
+}
int PEM_write_PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
- unsigned char *kstr, int klen,
- pem_password_cb *cb, void *u)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new_fp(fp, BIO_NOCLOSE)) == NULL)
- {
- PEMerr(PEM_F_PEM_WRITE_PRIVATEKEY,ERR_R_BUF_LIB);
- return 0;
- }
- ret=PEM_write_bio_PrivateKey(b, x, enc, kstr, klen, cb, u);
- BIO_free(b);
- return ret;
- }
+ unsigned char *kstr, int klen,
+ pem_password_cb *cb, void *u)
+{
+ BIO *b;
+ int ret;
+
+ if ((b = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
+ PEMerr(PEM_F_PEM_WRITE_PRIVATEKEY, ERR_R_BUF_LIB);
+ return 0;
+ }
+ ret = PEM_write_bio_PrivateKey(b, x, enc, kstr, klen, cb, u);
+ BIO_free(b);
+ return ret;
+}
+
+#endif
+
+#ifndef OPENSSL_NO_DH
+
+/* Transparently read in PKCS#3 or X9.42 DH parameters */
+
+DH *PEM_read_bio_DHparams(BIO *bp, DH **x, pem_password_cb *cb, void *u)
+{
+ char *nm = NULL;
+ const unsigned char *p = NULL;
+ unsigned char *data = NULL;
+ long len;
+ DH *ret = NULL;
+
+ if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_DHPARAMS, bp, cb, u))
+ return NULL;
+ p = data;
+
+ if (strcmp(nm, PEM_STRING_DHXPARAMS) == 0)
+ ret = d2i_DHxparams(x, &p, len);
+ else
+ ret = d2i_DHparams(x, &p, len);
+
+ if (ret == NULL)
+ PEMerr(PEM_F_PEM_READ_BIO_DHPARAMS, ERR_R_ASN1_LIB);
+ OPENSSL_free(nm);
+ OPENSSL_free(data);
+ return ret;
+}
+
+# ifndef OPENSSL_NO_STDIO
+DH *PEM_read_DHparams(FILE *fp, DH **x, pem_password_cb *cb, void *u)
+{
+ BIO *b;
+ DH *ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ PEMerr(PEM_F_PEM_READ_DHPARAMS, ERR_R_BUF_LIB);
+ return (0);
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = PEM_read_bio_DHparams(b, x, cb, u);
+ BIO_free(b);
+ return (ret);
+}
+# endif
#endif
projects / openssl.git / blobdiff