1109998Smarkm/* crypto/pem/pem_pkey.c */ 2109998Smarkm/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3109998Smarkm * All rights reserved. 4109998Smarkm * 5109998Smarkm * This package is an SSL implementation written 6109998Smarkm * by Eric Young (eay@cryptsoft.com). 7109998Smarkm * The implementation was written so as to conform with Netscapes SSL. 8296465Sdelphij * 9109998Smarkm * This library is free for commercial and non-commercial use as long as 10109998Smarkm * the following conditions are aheared to. The following conditions 11109998Smarkm * apply to all code found in this distribution, be it the RC4, RSA, 12109998Smarkm * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13109998Smarkm * included with this distribution is covered by the same copyright terms 14109998Smarkm * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15296465Sdelphij * 16109998Smarkm * Copyright remains Eric Young's, and as such any Copyright notices in 17109998Smarkm * the code are not to be removed. 18109998Smarkm * If this package is used in a product, Eric Young should be given attribution 19109998Smarkm * as the author of the parts of the library used. 20109998Smarkm * This can be in the form of a textual message at program startup or 21109998Smarkm * in documentation (online or textual) provided with the package. 22296465Sdelphij * 23109998Smarkm * Redistribution and use in source and binary forms, with or without 24109998Smarkm * modification, are permitted provided that the following conditions 25109998Smarkm * are met: 26109998Smarkm * 1. Redistributions of source code must retain the copyright 27109998Smarkm * notice, this list of conditions and the following disclaimer. 28109998Smarkm * 2. Redistributions in binary form must reproduce the above copyright 29109998Smarkm * notice, this list of conditions and the following disclaimer in the 30109998Smarkm * documentation and/or other materials provided with the distribution. 31109998Smarkm * 3. All advertising materials mentioning features or use of this software 32109998Smarkm * must display the following acknowledgement: 33109998Smarkm * "This product includes cryptographic software written by 34109998Smarkm * Eric Young (eay@cryptsoft.com)" 35109998Smarkm * The word 'cryptographic' can be left out if the rouines from the library 36109998Smarkm * being used are not cryptographic related :-). 37296465Sdelphij * 4. If you include any Windows specific code (or a derivative thereof) from 38109998Smarkm * the apps directory (application code) you must include an acknowledgement: 39109998Smarkm * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40296465Sdelphij * 41109998Smarkm * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42109998Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43109998Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44109998Smarkm * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45109998Smarkm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46109998Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47109998Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48109998Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49109998Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50109998Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51109998Smarkm * SUCH DAMAGE. 52296465Sdelphij * 53109998Smarkm * The licence and distribution terms for any publically available version or 54109998Smarkm * derivative of this code cannot be changed. i.e. this code cannot simply be 55109998Smarkm * copied and put under another distribution licence 56109998Smarkm * [including the GNU Public Licence.] 57109998Smarkm */ 58109998Smarkm 59109998Smarkm#include <stdio.h> 60109998Smarkm#include "cryptlib.h" 61109998Smarkm#include <openssl/buffer.h> 62109998Smarkm#include <openssl/objects.h> 63109998Smarkm#include <openssl/evp.h> 64109998Smarkm#include <openssl/rand.h> 65109998Smarkm#include <openssl/x509.h> 66109998Smarkm#include <openssl/pkcs12.h> 67109998Smarkm#include <openssl/pem.h> 68109998Smarkm 69296465SdelphijEVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, 70296465Sdelphij void *u) 71296465Sdelphij{ 72296465Sdelphij char *nm = NULL; 73296465Sdelphij const unsigned char *p = NULL; 74296465Sdelphij unsigned char *data = NULL; 75296465Sdelphij long len; 76296465Sdelphij EVP_PKEY *ret = NULL; 77109998Smarkm 78296465Sdelphij if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u)) 79296465Sdelphij return NULL; 80296465Sdelphij p = data; 81109998Smarkm 82296465Sdelphij if (strcmp(nm, PEM_STRING_RSA) == 0) 83296465Sdelphij ret = d2i_PrivateKey(EVP_PKEY_RSA, x, &p, len); 84296465Sdelphij else if (strcmp(nm, PEM_STRING_DSA) == 0) 85296465Sdelphij ret = d2i_PrivateKey(EVP_PKEY_DSA, x, &p, len); 86296465Sdelphij else if (strcmp(nm, PEM_STRING_ECPRIVATEKEY) == 0) 87296465Sdelphij ret = d2i_PrivateKey(EVP_PKEY_EC, x, &p, len); 88296465Sdelphij else if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) { 89296465Sdelphij PKCS8_PRIV_KEY_INFO *p8inf; 90296465Sdelphij p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len); 91296465Sdelphij if (!p8inf) 92296465Sdelphij goto p8err; 93296465Sdelphij ret = EVP_PKCS82PKEY(p8inf); 94296465Sdelphij if (x) { 95296465Sdelphij if (*x) 96296465Sdelphij EVP_PKEY_free((EVP_PKEY *)*x); 97296465Sdelphij *x = ret; 98296465Sdelphij } 99296465Sdelphij PKCS8_PRIV_KEY_INFO_free(p8inf); 100296465Sdelphij } else if (strcmp(nm, PEM_STRING_PKCS8) == 0) { 101296465Sdelphij PKCS8_PRIV_KEY_INFO *p8inf; 102296465Sdelphij X509_SIG *p8; 103296465Sdelphij int klen; 104296465Sdelphij char psbuf[PEM_BUFSIZE]; 105296465Sdelphij p8 = d2i_X509_SIG(NULL, &p, len); 106296465Sdelphij if (!p8) 107296465Sdelphij goto p8err; 108296465Sdelphij if (cb) 109296465Sdelphij klen = cb(psbuf, PEM_BUFSIZE, 0, u); 110296465Sdelphij else 111296465Sdelphij klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u); 112296465Sdelphij if (klen <= 0) { 113296465Sdelphij PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, PEM_R_BAD_PASSWORD_READ); 114296465Sdelphij X509_SIG_free(p8); 115296465Sdelphij goto err; 116296465Sdelphij } 117296465Sdelphij p8inf = PKCS8_decrypt(p8, psbuf, klen); 118296465Sdelphij X509_SIG_free(p8); 119296465Sdelphij if (!p8inf) 120296465Sdelphij goto p8err; 121296465Sdelphij ret = EVP_PKCS82PKEY(p8inf); 122296465Sdelphij if (x) { 123296465Sdelphij if (*x) 124296465Sdelphij EVP_PKEY_free((EVP_PKEY *)*x); 125296465Sdelphij *x = ret; 126296465Sdelphij } 127296465Sdelphij PKCS8_PRIV_KEY_INFO_free(p8inf); 128296465Sdelphij } 129296465Sdelphij p8err: 130296465Sdelphij if (ret == NULL) 131296465Sdelphij PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, ERR_R_ASN1_LIB); 132296465Sdelphij err: 133296465Sdelphij OPENSSL_free(nm); 134296465Sdelphij OPENSSL_cleanse(data, len); 135296465Sdelphij OPENSSL_free(data); 136296465Sdelphij return (ret); 137296465Sdelphij} 138109998Smarkm 139109998Smarkm#ifndef OPENSSL_NO_FP_API 140296465SdelphijEVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, 141296465Sdelphij void *u) 142296465Sdelphij{ 143296465Sdelphij BIO *b; 144296465Sdelphij EVP_PKEY *ret; 145109998Smarkm 146296465Sdelphij if ((b = BIO_new(BIO_s_file())) == NULL) { 147296465Sdelphij PEMerr(PEM_F_PEM_READ_PRIVATEKEY, ERR_R_BUF_LIB); 148296465Sdelphij return (0); 149296465Sdelphij } 150296465Sdelphij BIO_set_fp(b, fp, BIO_NOCLOSE); 151296465Sdelphij ret = PEM_read_bio_PrivateKey(b, x, cb, u); 152296465Sdelphij BIO_free(b); 153296465Sdelphij return (ret); 154296465Sdelphij} 155109998Smarkm#endif 156