--- /dev/null
+/* 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>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#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->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 *)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)
+ 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 *)x->ameth->param_encode,
+ pem_str,bp,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;
+ }
+
+#endif
projects / cassiopeia.git / blobdiff