-/* crypto/pem/pem_pkey.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2018 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 Apache License 2.0 (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 <openssl/engine.h>
+#include <openssl/dh.h>
+#include <openssl/store.h>
+#include <openssl/ui.h>
+#include <openssl/serializer.h>
+#include "crypto/store.h"
+#include "crypto/asn1.h"
+#include "crypto/evp.h"
+#include "pem_local.h"
+int pem_check_suffix(const char *pem_str, const char *suffix);
+
+EVP_PKEY *PEM_read_bio_PrivateKey_ex(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
+ void *u, OPENSSL_CTX *libctx,
+ const char *propq)
+{
+ EVP_PKEY *ret = NULL;
+ OSSL_STORE_CTX *ctx = NULL;
+ OSSL_STORE_INFO *info = NULL;
+ UI_METHOD *ui_method = NULL;
+
+ if ((ui_method = UI_UTIL_wrap_read_pem_callback(cb, 0)) == NULL)
+ return NULL;
+
+ if ((ctx = ossl_store_attach_pem_bio(bp, ui_method, u, libctx,
+ propq)) == NULL)
+ goto err;
+#ifndef OPENSSL_NO_SECURE_HEAP
+ {
+ int on = 1;
+ if (!OSSL_STORE_ctrl(ctx, OSSL_STORE_C_USE_SECMEM, &on))
+ goto err;
+ }
+#endif
+
+ while (!OSSL_STORE_eof(ctx) && (info = OSSL_STORE_load(ctx)) != NULL) {
+ if (OSSL_STORE_INFO_get_type(info) == OSSL_STORE_INFO_PKEY) {
+ ret = OSSL_STORE_INFO_get1_PKEY(info);
+ break;
+ }
+ OSSL_STORE_INFO_free(info);
+ }
+
+ if (ret != NULL && x != NULL)
+ *x = ret;
+
+ err:
+ ossl_store_detach_pem_bio(ctx);
+ UI_destroy_method(ui_method);
+ OSSL_STORE_INFO_free(info);
+ return ret;
+}
+
+EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
+ void *u)
+{
+ return PEM_read_bio_PrivateKey_ex(bp, x, cb, u, NULL, NULL);
+}
+
+PEM_write_cb_fnsig(PrivateKey, EVP_PKEY, BIO, write_bio)
+{
+ IMPLEMENT_PEM_provided_write_body_vars(EVP_PKEY, PrivateKey);
+
+ IMPLEMENT_PEM_provided_write_body_pass();
+ IMPLEMENT_PEM_provided_write_body_main(EVP_PKEY, bio);
+
+ legacy:
+ if (x->ameth == NULL || x->ameth->priv_encode != NULL)
+ return PEM_write_bio_PKCS8PrivateKey(out, x, enc,
+ (const char *)kstr, klen, cb, u);
+ return PEM_write_bio_PrivateKey_traditional(out, x, enc, kstr, klen, cb, u);
+}
+
+int PEM_write_bio_PrivateKey_traditional(BIO *bp, const EVP_PKEY *x,
+ const EVP_CIPHER *enc,
+ const 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)
+{
+ EVP_PKEY *ret = NULL;
+ OSSL_STORE_CTX *ctx = NULL;
+ OSSL_STORE_INFO *info = NULL;
+
+ if ((ctx = ossl_store_attach_pem_bio(bp, UI_null(), NULL, NULL, NULL)) == NULL)
+ goto err;
+
+ while (!OSSL_STORE_eof(ctx) && (info = OSSL_STORE_load(ctx)) != NULL) {
+ if (OSSL_STORE_INFO_get_type(info) == OSSL_STORE_INFO_PARAMS) {
+ ret = OSSL_STORE_INFO_get1_PARAMS(info);
+ break;
+ }
+ OSSL_STORE_INFO_free(info);
+ }
+
+ if (ret != NULL && x != NULL)
+ *x = ret;
+
+ err:
+ ossl_store_detach_pem_bio(ctx);
+ OSSL_STORE_INFO_free(info);
+ return ret;
+}
+
+PEM_write_fnsig(Parameters, EVP_PKEY, BIO, write_bio)
+{
+ char pem_str[80];
+ IMPLEMENT_PEM_provided_write_body_vars(EVP_PKEY, Parameters);
+
+ IMPLEMENT_PEM_provided_write_body_main(EVP_PKEY, bio);
+
+ legacy:
+ 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, out, x, NULL, NULL, 0, 0, NULL);
+}
+
+#ifndef OPENSSL_NO_STDIO
+EVP_PKEY *PEM_read_PrivateKey_ex(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
+ void *u, OPENSSL_CTX *libctx,
+ const char *propq)
+{
+ BIO *b;
+ EVP_PKEY *ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ PEMerr(0, ERR_R_BUF_LIB);
+ return 0;
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = PEM_read_bio_PrivateKey_ex(b, x, cb, u, libctx, propq);
+ BIO_free(b);
+ return ret;
+}
+
+EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
+ void *u)
+{
+ return PEM_read_PrivateKey_ex(fp, x, cb, u, NULL, NULL);
+}
+
+int PEM_write_PrivateKey(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
+ const 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)
+{
+ DH *ret = NULL;
+ EVP_PKEY *pkey = NULL;
+ OSSL_STORE_CTX *ctx = NULL;
+ OSSL_STORE_INFO *info = NULL;
+ UI_METHOD *ui_method = NULL;
+
+ if ((ui_method = UI_UTIL_wrap_read_pem_callback(cb, 0)) == NULL)
+ return NULL;
+
+ if ((ctx = ossl_store_attach_pem_bio(bp, ui_method, u, NULL, NULL)) == NULL)
+ goto err;
+
+ while (!OSSL_STORE_eof(ctx) && (info = OSSL_STORE_load(ctx)) != NULL) {
+ if (OSSL_STORE_INFO_get_type(info) == OSSL_STORE_INFO_PARAMS) {
+ pkey = OSSL_STORE_INFO_get0_PARAMS(info);
+ if (EVP_PKEY_id(pkey) == EVP_PKEY_DHX
+ || EVP_PKEY_id(pkey) == EVP_PKEY_DH) {
+ ret = EVP_PKEY_get1_DH(pkey);
+ break;
+ }
+ }
+ OSSL_STORE_INFO_free(info);
+ }
+
+ if (ret != NULL && x != NULL)
+ *x = ret;
+
+ err:
+ ossl_store_detach_pem_bio(ctx);
+ UI_destroy_method(ui_method);
+ OSSL_STORE_INFO_free(info);
+ 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
-EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
- {
- char *nm=NULL;
- unsigned char *p=NULL,*data=NULL;
- long len;
- EVP_PKEY *ret=NULL;
-
- if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u))
- return NULL;
- p = data;
-
- if (strcmp(nm,PEM_STRING_RSA) == 0)
- ret=d2i_PrivateKey(EVP_PKEY_RSA,x,&p,len);
- else if (strcmp(nm,PEM_STRING_DSA) == 0)
- ret=d2i_PrivateKey(EVP_PKEY_DSA,x,&p,len);
- else if (strcmp(nm,PEM_STRING_ECDSA) == 0)
- ret=d2i_PrivateKey(EVP_PKEY_ECDSA,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);
- ret = EVP_PKCS82PKEY(p8inf);
- 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_ASN1_READ_BIO,
- PEM_R_BAD_PASSWORD_READ);
- 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_ASN1_READ_BIO,ERR_R_ASN1_LIB);
-err:
- OPENSSL_free(nm);
- OPENSSL_free(data);
- return(ret);
- }
-
-#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_ASN1_READ,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);
- }
#endif
projects / openssl.git / blobdiff