1*0Sstevel@tonic-gate /* crypto/pem/pem_pkey.c */ 2*0Sstevel@tonic-gate /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3*0Sstevel@tonic-gate * All rights reserved. 4*0Sstevel@tonic-gate * 5*0Sstevel@tonic-gate * This package is an SSL implementation written 6*0Sstevel@tonic-gate * by Eric Young (eay@cryptsoft.com). 7*0Sstevel@tonic-gate * The implementation was written so as to conform with Netscapes SSL. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * This library is free for commercial and non-commercial use as long as 10*0Sstevel@tonic-gate * the following conditions are aheared to. The following conditions 11*0Sstevel@tonic-gate * apply to all code found in this distribution, be it the RC4, RSA, 12*0Sstevel@tonic-gate * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13*0Sstevel@tonic-gate * included with this distribution is covered by the same copyright terms 14*0Sstevel@tonic-gate * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15*0Sstevel@tonic-gate * 16*0Sstevel@tonic-gate * Copyright remains Eric Young's, and as such any Copyright notices in 17*0Sstevel@tonic-gate * the code are not to be removed. 18*0Sstevel@tonic-gate * If this package is used in a product, Eric Young should be given attribution 19*0Sstevel@tonic-gate * as the author of the parts of the library used. 20*0Sstevel@tonic-gate * This can be in the form of a textual message at program startup or 21*0Sstevel@tonic-gate * in documentation (online or textual) provided with the package. 22*0Sstevel@tonic-gate * 23*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 24*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 25*0Sstevel@tonic-gate * are met: 26*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the copyright 27*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 28*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 29*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the 30*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution. 31*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this software 32*0Sstevel@tonic-gate * must display the following acknowledgement: 33*0Sstevel@tonic-gate * "This product includes cryptographic software written by 34*0Sstevel@tonic-gate * Eric Young (eay@cryptsoft.com)" 35*0Sstevel@tonic-gate * The word 'cryptographic' can be left out if the rouines from the library 36*0Sstevel@tonic-gate * being used are not cryptographic related :-). 37*0Sstevel@tonic-gate * 4. If you include any Windows specific code (or a derivative thereof) from 38*0Sstevel@tonic-gate * the apps directory (application code) you must include an acknowledgement: 39*0Sstevel@tonic-gate * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40*0Sstevel@tonic-gate * 41*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42*0Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44*0Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45*0Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46*0Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47*0Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49*0Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50*0Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51*0Sstevel@tonic-gate * SUCH DAMAGE. 52*0Sstevel@tonic-gate * 53*0Sstevel@tonic-gate * The licence and distribution terms for any publically available version or 54*0Sstevel@tonic-gate * derivative of this code cannot be changed. i.e. this code cannot simply be 55*0Sstevel@tonic-gate * copied and put under another distribution licence 56*0Sstevel@tonic-gate * [including the GNU Public Licence.] 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate #include <stdio.h> 60*0Sstevel@tonic-gate #include "cryptlib.h" 61*0Sstevel@tonic-gate #include <openssl/buffer.h> 62*0Sstevel@tonic-gate #include <openssl/objects.h> 63*0Sstevel@tonic-gate #include <openssl/evp.h> 64*0Sstevel@tonic-gate #include <openssl/rand.h> 65*0Sstevel@tonic-gate #include <openssl/x509.h> 66*0Sstevel@tonic-gate #include <openssl/pkcs12.h> 67*0Sstevel@tonic-gate #include <openssl/pem.h> 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, 70*0Sstevel@tonic-gate int nid, const EVP_CIPHER *enc, 71*0Sstevel@tonic-gate char *kstr, int klen, 72*0Sstevel@tonic-gate pem_password_cb *cb, void *u); 73*0Sstevel@tonic-gate static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder, 74*0Sstevel@tonic-gate int nid, const EVP_CIPHER *enc, 75*0Sstevel@tonic-gate char *kstr, int klen, 76*0Sstevel@tonic-gate pem_password_cb *cb, void *u); 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate /* These functions write a private key in PKCS#8 format: it is a "drop in" 79*0Sstevel@tonic-gate * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc' 80*0Sstevel@tonic-gate * is NULL then it uses the unencrypted private key form. The 'nid' versions 81*0Sstevel@tonic-gate * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0. 82*0Sstevel@tonic-gate */ 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid, 85*0Sstevel@tonic-gate char *kstr, int klen, 86*0Sstevel@tonic-gate pem_password_cb *cb, void *u) 87*0Sstevel@tonic-gate { 88*0Sstevel@tonic-gate return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, 92*0Sstevel@tonic-gate char *kstr, int klen, 93*0Sstevel@tonic-gate pem_password_cb *cb, void *u) 94*0Sstevel@tonic-gate { 95*0Sstevel@tonic-gate return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u); 96*0Sstevel@tonic-gate } 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, 99*0Sstevel@tonic-gate char *kstr, int klen, 100*0Sstevel@tonic-gate pem_password_cb *cb, void *u) 101*0Sstevel@tonic-gate { 102*0Sstevel@tonic-gate return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u); 103*0Sstevel@tonic-gate } 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid, 106*0Sstevel@tonic-gate char *kstr, int klen, 107*0Sstevel@tonic-gate pem_password_cb *cb, void *u) 108*0Sstevel@tonic-gate { 109*0Sstevel@tonic-gate return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u); 110*0Sstevel@tonic-gate } 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc, 113*0Sstevel@tonic-gate char *kstr, int klen, 114*0Sstevel@tonic-gate pem_password_cb *cb, void *u) 115*0Sstevel@tonic-gate { 116*0Sstevel@tonic-gate X509_SIG *p8; 117*0Sstevel@tonic-gate PKCS8_PRIV_KEY_INFO *p8inf; 118*0Sstevel@tonic-gate char buf[PEM_BUFSIZE]; 119*0Sstevel@tonic-gate int ret; 120*0Sstevel@tonic-gate if(!(p8inf = EVP_PKEY2PKCS8(x))) { 121*0Sstevel@tonic-gate PEMerr(PEM_F_PEM_WRITE_BIO_PKCS8PRIVATEKEY, 122*0Sstevel@tonic-gate PEM_R_ERROR_CONVERTING_PRIVATE_KEY); 123*0Sstevel@tonic-gate return 0; 124*0Sstevel@tonic-gate } 125*0Sstevel@tonic-gate if(enc || (nid != -1)) { 126*0Sstevel@tonic-gate if(!kstr) { 127*0Sstevel@tonic-gate if(!cb) klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u); 128*0Sstevel@tonic-gate else klen = cb(buf, PEM_BUFSIZE, 1, u); 129*0Sstevel@tonic-gate if(klen <= 0) { 130*0Sstevel@tonic-gate PEMerr(PEM_F_PEM_WRITE_BIO_PKCS8PRIVATEKEY, 131*0Sstevel@tonic-gate PEM_R_READ_KEY); 132*0Sstevel@tonic-gate PKCS8_PRIV_KEY_INFO_free(p8inf); 133*0Sstevel@tonic-gate return 0; 134*0Sstevel@tonic-gate } 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate kstr = buf; 137*0Sstevel@tonic-gate } 138*0Sstevel@tonic-gate p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf); 139*0Sstevel@tonic-gate if(kstr == buf) OPENSSL_cleanse(buf, klen); 140*0Sstevel@tonic-gate PKCS8_PRIV_KEY_INFO_free(p8inf); 141*0Sstevel@tonic-gate if(isder) ret = i2d_PKCS8_bio(bp, p8); 142*0Sstevel@tonic-gate else ret = PEM_write_bio_PKCS8(bp, p8); 143*0Sstevel@tonic-gate X509_SIG_free(p8); 144*0Sstevel@tonic-gate return ret; 145*0Sstevel@tonic-gate } else { 146*0Sstevel@tonic-gate if(isder) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf); 147*0Sstevel@tonic-gate else ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf); 148*0Sstevel@tonic-gate PKCS8_PRIV_KEY_INFO_free(p8inf); 149*0Sstevel@tonic-gate return ret; 150*0Sstevel@tonic-gate } 151*0Sstevel@tonic-gate } 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u) 154*0Sstevel@tonic-gate { 155*0Sstevel@tonic-gate PKCS8_PRIV_KEY_INFO *p8inf = NULL; 156*0Sstevel@tonic-gate X509_SIG *p8 = NULL; 157*0Sstevel@tonic-gate int klen; 158*0Sstevel@tonic-gate EVP_PKEY *ret; 159*0Sstevel@tonic-gate char psbuf[PEM_BUFSIZE]; 160*0Sstevel@tonic-gate p8 = d2i_PKCS8_bio(bp, NULL); 161*0Sstevel@tonic-gate if(!p8) return NULL; 162*0Sstevel@tonic-gate if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u); 163*0Sstevel@tonic-gate else klen=PEM_def_callback(psbuf,PEM_BUFSIZE,0,u); 164*0Sstevel@tonic-gate if (klen <= 0) { 165*0Sstevel@tonic-gate PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ); 166*0Sstevel@tonic-gate X509_SIG_free(p8); 167*0Sstevel@tonic-gate return NULL; 168*0Sstevel@tonic-gate } 169*0Sstevel@tonic-gate p8inf = PKCS8_decrypt(p8, psbuf, klen); 170*0Sstevel@tonic-gate X509_SIG_free(p8); 171*0Sstevel@tonic-gate if(!p8inf) return NULL; 172*0Sstevel@tonic-gate ret = EVP_PKCS82PKEY(p8inf); 173*0Sstevel@tonic-gate PKCS8_PRIV_KEY_INFO_free(p8inf); 174*0Sstevel@tonic-gate if(!ret) return NULL; 175*0Sstevel@tonic-gate if(x) { 176*0Sstevel@tonic-gate if(*x) EVP_PKEY_free(*x); 177*0Sstevel@tonic-gate *x = ret; 178*0Sstevel@tonic-gate } 179*0Sstevel@tonic-gate return ret; 180*0Sstevel@tonic-gate } 181*0Sstevel@tonic-gate 182*0Sstevel@tonic-gate #ifndef OPENSSL_NO_FP_API 183*0Sstevel@tonic-gate 184*0Sstevel@tonic-gate int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, 185*0Sstevel@tonic-gate char *kstr, int klen, 186*0Sstevel@tonic-gate pem_password_cb *cb, void *u) 187*0Sstevel@tonic-gate { 188*0Sstevel@tonic-gate return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u); 189*0Sstevel@tonic-gate } 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid, 192*0Sstevel@tonic-gate char *kstr, int klen, 193*0Sstevel@tonic-gate pem_password_cb *cb, void *u) 194*0Sstevel@tonic-gate { 195*0Sstevel@tonic-gate return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u); 196*0Sstevel@tonic-gate } 197*0Sstevel@tonic-gate 198*0Sstevel@tonic-gate int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid, 199*0Sstevel@tonic-gate char *kstr, int klen, 200*0Sstevel@tonic-gate pem_password_cb *cb, void *u) 201*0Sstevel@tonic-gate { 202*0Sstevel@tonic-gate return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u); 203*0Sstevel@tonic-gate } 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, 206*0Sstevel@tonic-gate char *kstr, int klen, pem_password_cb *cb, void *u) 207*0Sstevel@tonic-gate { 208*0Sstevel@tonic-gate return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u); 209*0Sstevel@tonic-gate } 210*0Sstevel@tonic-gate 211*0Sstevel@tonic-gate static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc, 212*0Sstevel@tonic-gate char *kstr, int klen, 213*0Sstevel@tonic-gate pem_password_cb *cb, void *u) 214*0Sstevel@tonic-gate { 215*0Sstevel@tonic-gate BIO *bp; 216*0Sstevel@tonic-gate int ret; 217*0Sstevel@tonic-gate if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) { 218*0Sstevel@tonic-gate PEMerr(PEM_F_PEM_F_DO_PK8KEY_FP,ERR_R_BUF_LIB); 219*0Sstevel@tonic-gate return(0); 220*0Sstevel@tonic-gate } 221*0Sstevel@tonic-gate ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u); 222*0Sstevel@tonic-gate BIO_free(bp); 223*0Sstevel@tonic-gate return ret; 224*0Sstevel@tonic-gate } 225*0Sstevel@tonic-gate 226*0Sstevel@tonic-gate EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u) 227*0Sstevel@tonic-gate { 228*0Sstevel@tonic-gate BIO *bp; 229*0Sstevel@tonic-gate EVP_PKEY *ret; 230*0Sstevel@tonic-gate if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) { 231*0Sstevel@tonic-gate PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP,ERR_R_BUF_LIB); 232*0Sstevel@tonic-gate return NULL; 233*0Sstevel@tonic-gate } 234*0Sstevel@tonic-gate ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u); 235*0Sstevel@tonic-gate BIO_free(bp); 236*0Sstevel@tonic-gate return ret; 237*0Sstevel@tonic-gate } 238*0Sstevel@tonic-gate 239*0Sstevel@tonic-gate #endif 240*0Sstevel@tonic-gate 241*0Sstevel@tonic-gate IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG) 242*0Sstevel@tonic-gate IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, 243*0Sstevel@tonic-gate PKCS8_PRIV_KEY_INFO) 244