-/* crypto/pem/pem_pkey.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2023 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
*/
+/* We need to use some deprecated APIs */
+#define OPENSSL_SUPPRESS_DEPRECATED
+
#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>
-#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
+#include <openssl/dh.h>
+#include <openssl/decoder.h>
+#include <openssl/ui.h>
+#include "internal/cryptlib.h"
+#include "internal/passphrase.h"
+#include "crypto/asn1.h"
+#include "crypto/x509.h"
+#include "crypto/evp.h"
+#include "pem_local.h"
+
+int ossl_pem_check_suffix(const char *pem_str, const char *suffix);
+
+static EVP_PKEY *pem_read_bio_key_decoder(BIO *bp, EVP_PKEY **x,
+ pem_password_cb *cb, void *u,
+ OSSL_LIB_CTX *libctx,
+ const char *propq,
+ int selection)
+{
+ EVP_PKEY *pkey = NULL;
+ OSSL_DECODER_CTX *dctx = NULL;
+ int pos, newpos;
+
+ if ((pos = BIO_tell(bp)) < 0)
+ /* We can depend on BIO_tell() thanks to the BIO_f_readbuffer() */
+ return NULL;
+
+ dctx = OSSL_DECODER_CTX_new_for_pkey(&pkey, "PEM", NULL, NULL,
+ selection, libctx, propq);
+
+ if (dctx == NULL)
+ return NULL;
+
+ if (cb == NULL)
+ cb = PEM_def_callback;
+
+ if (!OSSL_DECODER_CTX_set_pem_password_cb(dctx, cb, u))
+ goto err;
+
+ ERR_set_mark();
+ while (!OSSL_DECODER_from_bio(dctx, bp) || pkey == NULL)
+ if (BIO_eof(bp) != 0 || (newpos = BIO_tell(bp)) < 0 || newpos <= pos) {
+ ERR_clear_last_mark();
+ goto err;
+ } else {
+ if (ERR_GET_REASON(ERR_peek_error()) == ERR_R_UNSUPPORTED) {
+ /* unsupported PEM data, try again */
+ ERR_pop_to_mark();
+ ERR_set_mark();
+ } else {
+ /* other error, bail out */
+ ERR_clear_last_mark();
+ goto err;
+ }
+ pos = newpos;
+ }
+ ERR_pop_to_mark();
+
+ /* if we were asked for private key, the public key is optional */
+ if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
+ selection = selection & ~OSSL_KEYMGMT_SELECT_PUBLIC_KEY;
+
+ if (!evp_keymgmt_util_has(pkey, selection)) {
+ EVP_PKEY_free(pkey);
+ pkey = NULL;
+ ERR_raise(ERR_LIB_PEM, PEM_R_UNSUPPORTED_KEY_COMPONENTS);
+ goto err;
+ }
+
+ if (x != NULL) {
+ EVP_PKEY_free(*x);
+ *x = pkey;
+ }
+
+ err:
+ OSSL_DECODER_CTX_free(dctx);
+ return pkey;
+}
+
+static EVP_PKEY *pem_read_bio_key_legacy(BIO *bp, EVP_PKEY **x,
+ pem_password_cb *cb, void *u,
+ OSSL_LIB_CTX *libctx,
+ const char *propq,
+ int selection)
+{
+ char *nm = NULL;
+ const unsigned char *p = NULL;
+ unsigned char *data = NULL;
+ long len;
+ int slen;
+ EVP_PKEY *ret = NULL;
+
+ ERR_set_mark(); /* not interested in PEM read errors */
+ if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
+ if (!PEM_bytes_read_bio_secmem(&data, &len, &nm,
+ PEM_STRING_EVP_PKEY,
+ bp, cb, u)) {
+ ERR_pop_to_mark();
+ return NULL;
+ }
+ } else {
+ const char *pem_string = PEM_STRING_PARAMETERS;
+
+ if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
+ pem_string = PEM_STRING_PUBLIC;
+ if (!PEM_bytes_read_bio(&data, &len, &nm,
+ pem_string,
+ bp, cb, u)) {
+ ERR_pop_to_mark();
+ return NULL;
+ }
+ }
+ ERR_clear_last_mark();
+ p = data;
+
+ if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) {
+ PKCS8_PRIV_KEY_INFO *p8inf;
+
+ if ((p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len)) == NULL)
+ goto p8err;
+ ret = evp_pkcs82pkey_legacy(p8inf, libctx, propq);
+ if (x != NULL) {
+ EVP_PKEY_free(*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];
+
+ if ((p8 = d2i_X509_SIG(NULL, &p, len)) == NULL)
+ goto p8err;
+ if (cb != NULL)
+ klen = cb(psbuf, PEM_BUFSIZE, 0, u);
+ else
+ klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
+ if (klen < 0) {
+ ERR_raise(ERR_LIB_PEM, 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 == NULL)
+ goto p8err;
+ ret = evp_pkcs82pkey_legacy(p8inf, libctx, propq);
+ if (x != NULL) {
+ EVP_PKEY_free(*x);
+ *x = ret;
+ }
+ PKCS8_PRIV_KEY_INFO_free(p8inf);
+ } else if ((slen = ossl_pem_check_suffix(nm, "PRIVATE KEY")) > 0) {
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen);
+ if (ameth == NULL || ameth->old_priv_decode == NULL)
+ goto p8err;
+ ret = ossl_d2i_PrivateKey_legacy(ameth->pkey_id, x, &p, len, libctx,
+ propq);
+ } else if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) == 0
+ && (selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
+ /* Trying legacy PUBKEY decoding only if we do not want private key. */
+ ret = ossl_d2i_PUBKEY_legacy(x, &p, len);
+ } else if ((selection & EVP_PKEY_KEYPAIR) == 0
+ && (slen = ossl_pem_check_suffix(nm, "PARAMETERS")) > 0) {
+ /* Trying legacy params decoding only if we do not want a key. */
+ 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(*x);
+ *x = ret;
+ }
+ }
+
+ p8err:
+ if (ret == NULL && ERR_peek_last_error() == 0)
+ /* ensure some error is reported but do not hide the real one */
+ ERR_raise(ERR_LIB_PEM, ERR_R_ASN1_LIB);
+ err:
+ OPENSSL_secure_free(nm);
+ OPENSSL_secure_clear_free(data, len);
+ return ret;
+}
+
+static EVP_PKEY *pem_read_bio_key(BIO *bp, EVP_PKEY **x,
+ pem_password_cb *cb, void *u,
+ OSSL_LIB_CTX *libctx,
+ const char *propq,
+ int selection)
+{
+ EVP_PKEY *ret = NULL;
+ BIO *new_bio = NULL;
+ int pos;
+ struct ossl_passphrase_data_st pwdata = { 0 };
+
+ if ((pos = BIO_tell(bp)) < 0) {
+ new_bio = BIO_new(BIO_f_readbuffer());
+ if (new_bio == NULL)
+ return NULL;
+ bp = BIO_push(new_bio, bp);
+ pos = BIO_tell(bp);
+ }
+
+ if (cb == NULL)
+ cb = PEM_def_callback;
+
+ if (!ossl_pw_set_pem_password_cb(&pwdata, cb, u)
+ || !ossl_pw_enable_passphrase_caching(&pwdata))
+ goto err;
+
+ ERR_set_mark();
+ ret = pem_read_bio_key_decoder(bp, x, ossl_pw_pem_password, &pwdata,
+ libctx, propq, selection);
+ if (ret == NULL
+ && (BIO_seek(bp, pos) < 0
+ || (ret = pem_read_bio_key_legacy(bp, x,
+ ossl_pw_pem_password, &pwdata,
+ libctx, propq,
+ selection)) == NULL))
+ ERR_clear_last_mark();
+ else
+ ERR_pop_to_mark();
+
+ err:
+ ossl_pw_clear_passphrase_data(&pwdata);
+ if (new_bio != NULL) {
+ BIO_pop(new_bio);
+ BIO_free(new_bio);
+ }
+ return ret;
+}
+
+EVP_PKEY *PEM_read_bio_PUBKEY_ex(BIO *bp, EVP_PKEY **x,
+ pem_password_cb *cb, void *u,
+ OSSL_LIB_CTX *libctx, const char *propq)
+{
+ return pem_read_bio_key(bp, x, cb, u, libctx, propq,
+ EVP_PKEY_PUBLIC_KEY);
+}
+
+EVP_PKEY *PEM_read_bio_PUBKEY(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
+ void *u)
+{
+ return PEM_read_bio_PUBKEY_ex(bp, x, cb, u, NULL, NULL);
+}
+
+#ifndef OPENSSL_NO_STDIO
+EVP_PKEY *PEM_read_PUBKEY_ex(FILE *fp, EVP_PKEY **x,
+ pem_password_cb *cb, void *u,
+ OSSL_LIB_CTX *libctx, const char *propq)
+{
+ BIO *b;
+ EVP_PKEY *ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ ERR_raise(ERR_LIB_PEM, ERR_R_BUF_LIB);
+ return 0;
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = PEM_read_bio_PUBKEY_ex(b, x, cb, u, libctx, propq);
+ BIO_free(b);
+ return ret;
+}
+
+EVP_PKEY *PEM_read_PUBKEY(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
+{
+ return PEM_read_PUBKEY_ex(fp, x, cb, u, NULL, NULL);
+}
#endif
-#include "asn1_locl.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 (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);
- } 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_free(nm);
- OPENSSL_cleanse(data, len);
- OPENSSL_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_PrivateKey_ex(BIO *bp, EVP_PKEY **x,
+ pem_password_cb *cb, void *u,
+ OSSL_LIB_CTX *libctx, const char *propq)
+{
+ return pem_read_bio_key(bp, x, cb, u, libctx, propq,
+ /* we also want the public key, if available */
+ EVP_PKEY_KEYPAIR);
+}
+
+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_ex_fnsig(PrivateKey, EVP_PKEY, BIO, write_bio)
+{
+ IMPLEMENT_PEM_provided_write_body_vars(pkey, PrivateKey, propq);
+
+ IMPLEMENT_PEM_provided_write_body_pass();
+ IMPLEMENT_PEM_provided_write_body_main(pkey, bio);
+
+ legacy:
+ if (x != NULL && (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);
+}
+
+PEM_write_cb_fnsig(PrivateKey, EVP_PKEY, BIO, write_bio)
+{
+ return PEM_write_bio_PrivateKey_ex(out, x, enc, kstr, klen, cb, u,
+ NULL, NULL);
+}
+
+/*
+ * Note: there is no way to tell a provided pkey encoder to use "traditional"
+ * encoding. Therefore, if the pkey is provided, we try to take a copy
+ */
+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];
+ EVP_PKEY *copy = NULL;
+ int ret;
+
+ if (x == NULL)
+ return 0;
+
+ if (evp_pkey_is_assigned(x)
+ && evp_pkey_is_provided(x)
+ && evp_pkey_copy_downgraded(©, x))
+ x = copy;
+
+ if (x->ameth == NULL || x->ameth->old_priv_encode == NULL) {
+ ERR_raise(ERR_LIB_PEM, PEM_R_UNSUPPORTED_PUBLIC_KEY_TYPE);
+ EVP_PKEY_free(copy);
+ return 0;
+ }
+ BIO_snprintf(pem_str, 80, "%s PRIVATE KEY", x->ameth->pem_str);
+ ret = PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey,
+ pem_str, bp, x, enc, kstr, klen, cb, u);
+
+ EVP_PKEY_free(copy);
+ return ret;
+}
+
+static int no_password_cb(char *buf, int num, int rwflag, void *userdata)
+{
+ return -1;
+}
+
+EVP_PKEY *PEM_read_bio_Parameters_ex(BIO *bp, EVP_PKEY **x,
+ OSSL_LIB_CTX *libctx, const char *propq)
+{
+ /*
+ * PEM_read_bio_Parameters(_ex) should never ask for a password. Any attempt
+ * to get a password just fails.
+ */
+ return pem_read_bio_key(bp, x, no_password_cb, NULL, libctx, propq,
+ EVP_PKEY_KEY_PARAMETERS);
+}
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)
- 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)
- {
- 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 *)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);
- }
-
-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;
- }
+{
+ return PEM_read_bio_Parameters_ex(bp, x, NULL, NULL);
+}
+
+PEM_write_fnsig(Parameters, EVP_PKEY, BIO, write_bio)
+{
+ char pem_str[80];
+ IMPLEMENT_PEM_provided_write_body_vars(pkey, Parameters, NULL);
+
+ IMPLEMENT_PEM_provided_write_body_main(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, OSSL_LIB_CTX *libctx,
+ const char *propq)
+{
+ BIO *b;
+ EVP_PKEY *ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ ERR_raise(ERR_LIB_PEM, 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);
+}
+
+PEM_write_cb_ex_fnsig(PrivateKey, EVP_PKEY, FILE, write)
+{
+ BIO *b;
+ int ret;
+
+ if ((b = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
+ ERR_raise(ERR_LIB_PEM, ERR_R_BUF_LIB);
+ return 0;
+ }
+ ret = PEM_write_bio_PrivateKey_ex(b, x, enc, kstr, klen, cb, u,
+ libctx, propq);
+ BIO_free(b);
+ return ret;
+}
+PEM_write_cb_fnsig(PrivateKey, EVP_PKEY, FILE, write)
+{
+ return PEM_write_PrivateKey_ex(out, x, enc, kstr, klen, cb, u, NULL, NULL);
+}
#endif