/* 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> 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_PKCS8INF) == 0) { PKCS8_PRIV_KEY_INFO *p8inf; p8inf=d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len); if(!p8inf) goto p8err; 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