X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Ft_pkey.c;h=5ae19ed78a5b5b9710e5b016d34be3af3c70c83a;hp=09a5abec672e49332c836f2c25fb18a28e6eaffb;hb=2b91da968cec55de9d6db464c8c938d2930832e9;hpb=d02b48c63a58ea4367a0e905979f140b7d090f86 diff --git a/crypto/asn1/t_pkey.c b/crypto/asn1/t_pkey.c index 09a5abec67..5ae19ed78a 100644 --- a/crypto/asn1/t_pkey.c +++ b/crypto/asn1/t_pkey.c @@ -1,389 +1,93 @@ -/* crypto/asn1/t_pkey.c */ -/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2016 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 OpenSSL license (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 */ #include -#include "cryptlib.h" -#include "buffer.h" -#include "bn.h" -#ifndef NO_RSA -#include "rsa.h" -#endif -#ifndef NO_DH -#include "dh.h" -#endif -#ifndef NO_DSA -#include "dsa.h" -#endif - -/* DHerr(DH_F_DHPARAMS_PRINT,ERR_R_MALLOC_FAILURE); - * DSAerr(DSA_F_DSAPARAMS_PRINT,ERR_R_MALLOC_FAILURE); - */ - -#ifndef NOPROTO -static int print(BIO *fp,char *str,BIGNUM *num, - unsigned char *buf,int off); -#else -static int print(); -#endif - -#ifndef NO_RSA -#ifndef WIN16 -int RSA_print_fp(fp,x,off) -FILE *fp; -RSA *x; -int off; - { - BIO *b; - int ret; - - if ((b=BIO_new(BIO_s_file())) == NULL) - { - RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB); - return(0); - } - BIO_set_fp(b,fp,BIO_NOCLOSE); - ret=RSA_print(b,x,off); - BIO_free(b); - return(ret); +#include "internal/cryptlib.h" +#include +#include +#include "internal/bn_int.h" + +/* Number of octets per line */ +#define ASN1_BUF_PRINT_WIDTH 15 +/* Maximum indent */ +#define ASN1_PRINT_MAX_INDENT 128 + +int ASN1_buf_print(BIO *bp, unsigned char *buf, size_t buflen, int indent) +{ + size_t i; + + for (i = 0; i < buflen; i++) { + if ((i % ASN1_BUF_PRINT_WIDTH) == 0) { + if (i > 0 && BIO_puts(bp, "\n") <= 0) + return 0; + if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT)) + return 0; } -#endif - -int RSA_print(bp,x,off) -BIO *bp; -RSA *x; -int off; - { - char str[128],*s; - unsigned char *m=NULL; - int i,ret=0; - - i=RSA_size(x); - m=(unsigned char *)Malloc((unsigned int)i+10); - if (m == NULL) - { - RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE); - goto err; - } - - if (off) - { - if (off > 128) off=128; - memset(str,' ',off); - } - if (x->d != NULL) - { - if (off && (BIO_write(bp,str,off) <= 0)) goto err; - if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n)) - <= 0) goto err; - } - - if (x->d == NULL) - sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n)); - else - strcpy(str,"modulus:"); - if (!print(bp,str,x->n,m,off)) goto err; - s=(x->d == NULL)?"Exponent:":"publicExponent:"; - if (!print(bp,s,x->e,m,off)) goto err; - if (!print(bp,"privateExponent:",x->d,m,off)) goto err; - if (!print(bp,"prime1:",x->p,m,off)) goto err; - if (!print(bp,"prime2:",x->q,m,off)) goto err; - if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err; - if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err; - if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err; - ret=1; -err: - if (m != NULL) Free((char *)m); - return(ret); - } -#endif /* NO_RSA */ - -#ifndef NO_DSA -#ifndef WIN16 -int DSA_print_fp(fp,x,off) -FILE *fp; -DSA *x; -int off; - { - BIO *b; - int ret; - - if ((b=BIO_new(BIO_s_file())) == NULL) - { - DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB); - return(0); - } - BIO_set_fp(b,fp,BIO_NOCLOSE); - ret=DSA_print(b,x,off); - BIO_free(b); - return(ret); - } -#endif - -int DSA_print(bp,x,off) -BIO *bp; -DSA *x; -int off; - { - char str[128]; - unsigned char *m=NULL; - int i,ret=0; - BIGNUM *bn=NULL; - - if (x->p != NULL) - bn=x->p; - else if (x->priv_key != NULL) - bn=x->priv_key; - else if (x->pub_key != NULL) - bn=x->pub_key; - - /* larger than needed but what the hell :-) */ - if (bn != NULL) - i=BN_num_bytes(bn)*2; - else - i=256; - m=(unsigned char *)Malloc((unsigned int)i+10); - if (m == NULL) - { - DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE); - goto err; - } - - if (off) - { - if (off > 128) off=128; - memset(str,' ',off); - } - if (x->priv_key != NULL) - { - if (off && (BIO_write(bp,str,off) <= 0)) goto err; - if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p)) - <= 0) goto err; - } - - if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off)) - goto err; - if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off)) - goto err; - if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err; - if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err; - if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err; - ret=1; -err: - if (m != NULL) Free((char *)m); - return(ret); - } -#endif /* !NO_DSA */ - -static int print(bp,number,num,buf,off) -BIO *bp; -char *number; -BIGNUM *num; -unsigned char *buf; -int off; - { - int n,i; - char str[128],*neg; - - if (num == NULL) return(1); - neg=(num->neg)?"-":""; - if (off) - { - if (off > 128) off=128; - memset(str,' ',off); - if (BIO_write(bp,str,off) <= 0) return(0); - } - - if (BN_num_bytes(num) <= BN_BYTES) - { - if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg, - (unsigned long)num->d[0],neg,(unsigned long)num->d[0]) - <= 0) return(0); - } - else - { - buf[0]=0; - if (BIO_printf(bp,"%s%s",number, - (neg[0] == '-')?" (Negative)":"") <= 0) - return(0); - n=BN_bn2bin(num,&buf[1]); - - if (buf[1] & 0x80) - n++; - else buf++; - - for (i=0; ip); - m=(unsigned char *)Malloc((unsigned int)i+10); - if (m == NULL) - { - reason=ERR_R_MALLOC_FAILURE; - goto err; - } - - if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n", - BN_num_bits(x->p)) <= 0) - goto err; - if (!print(bp,"prime:",x->p,m,4)) goto err; - if (!print(bp,"generator:",x->g,m,4)) goto err; - if (x->length != 0) - { - if (BIO_printf(bp," recomented-private-length: %d bits\n", - (int)x->length) <= 0) goto err; - } - ret=1; -err: - if (m != NULL) Free((char *)m); - DHerr(DH_F_DHPARAMS_PRINT,reason); - return(ret); - } -#endif - -#ifndef NO_DSA -#ifndef WIN16 -int DSAparams_print_fp(fp,x) -FILE *fp; -DSA *x; - { - BIO *b; - int ret; - - if ((b=BIO_new(BIO_s_file())) == NULL) - { - DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB); - return(0); - } - BIO_set_fp(b,fp,BIO_NOCLOSE); - ret=DSAparams_print(b, x); - BIO_free(b); - return(ret); - } -#endif - -int DSAparams_print(bp,x) -BIO *bp; -DSA *x; - { - unsigned char *m=NULL; - int reason=ERR_R_BUF_LIB,i,ret=0; - - i=BN_num_bytes(x->p); - m=(unsigned char *)Malloc((unsigned int)i+10); - if (m == NULL) - { - reason=ERR_R_MALLOC_FAILURE; - goto err; - } - - if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n", - BN_num_bits(x->p)) <= 0) - goto err; - if (!print(bp,"p:",x->p,m,4)) goto err; - if (!print(bp,"q:",x->q,m,4)) goto err; - if (!print(bp,"g:",x->g,m,4)) goto err; - ret=1; -err: - if (m != NULL) Free((char *)m); - DSAerr(DSA_F_DSAPARAMS_PRINT,reason); - return(ret); - } - -#endif /* !NO_DSA */ - + /* + * Use colon separators for each octet for compatibility as + * this fuction is used to print out key components. + */ + if (BIO_printf(bp, "%02x%s", buf[i], + (i == buflen - 1) ? "" : ":") <= 0) + return 0; + } + if (BIO_write(bp, "\n", 1) <= 0) + return 0; + return 1; +} + +int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num, + unsigned char *ign, int indent) +{ + int n, rv = 0; + const char *neg; + unsigned char *buf = NULL, *tmp = NULL; + int buflen; + + if (num == NULL) + return 1; + neg = BN_is_negative(num) ? "-" : ""; + if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT)) + return 0; + if (BN_is_zero(num)) { + if (BIO_printf(bp, "%s 0\n", number) <= 0) + return 0; + return 1; + } + + if (BN_num_bytes(num) <= BN_BYTES) { + if (BIO_printf(bp, "%s %s%lu (%s0x%lx)\n", number, neg, + (unsigned long)bn_get_words(num)[0], neg, + (unsigned long)bn_get_words(num)[0]) <= 0) + return 0; + return 1; + } + + buflen = BN_num_bytes(num) + 1; + buf = tmp = OPENSSL_malloc(buflen); + if (buf == NULL) + goto err; + buf[0] = 0; + if (BIO_printf(bp, "%s%s\n", number, + (neg[0] == '-') ? " (Negative)" : "") <= 0) + goto err; + n = BN_bn2bin(num, buf + 1); + + if (buf[1] & 0x80) + n++; + else + tmp++; + + if (ASN1_buf_print(bp, tmp, n, indent + 4) == 0) + goto err; + rv = 1; + err: + OPENSSL_clear_free(buf, buflen); + return rv; +}