diff options
Diffstat (limited to 'thirdparty/openssl/crypto/dsa/dsa_asn1.c')
-rw-r--r-- | thirdparty/openssl/crypto/dsa/dsa_asn1.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/thirdparty/openssl/crypto/dsa/dsa_asn1.c b/thirdparty/openssl/crypto/dsa/dsa_asn1.c deleted file mode 100644 index 3283a2295b..0000000000 --- a/thirdparty/openssl/crypto/dsa/dsa_asn1.c +++ /dev/null @@ -1,202 +0,0 @@ -/* dsa_asn1.c */ -/* - * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project - * 2000. - */ -/* ==================================================================== - * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. - * - * 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 above 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 acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED 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 OpenSSL PROJECT OR - * ITS 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/dsa.h> -#include <openssl/asn1.h> -#include <openssl/asn1t.h> -#include <openssl/rand.h> - -/* Override the default new methods */ -static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, - void *exarg) -{ - if (operation == ASN1_OP_NEW_PRE) { - DSA_SIG *sig; - sig = OPENSSL_malloc(sizeof(DSA_SIG)); - if (!sig) { - DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE); - return 0; - } - sig->r = NULL; - sig->s = NULL; - *pval = (ASN1_VALUE *)sig; - return 2; - } - return 1; -} - -ASN1_SEQUENCE_cb(DSA_SIG, sig_cb) = { - ASN1_SIMPLE(DSA_SIG, r, CBIGNUM), - ASN1_SIMPLE(DSA_SIG, s, CBIGNUM) -} ASN1_SEQUENCE_END_cb(DSA_SIG, DSA_SIG) - -IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA_SIG, DSA_SIG, DSA_SIG) - -/* Override the default free and new methods */ -static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, - void *exarg) -{ - if (operation == ASN1_OP_NEW_PRE) { - *pval = (ASN1_VALUE *)DSA_new(); - if (*pval) - return 2; - return 0; - } else if (operation == ASN1_OP_FREE_PRE) { - DSA_free((DSA *)*pval); - *pval = NULL; - return 2; - } - return 1; -} - -ASN1_SEQUENCE_cb(DSAPrivateKey, dsa_cb) = { - ASN1_SIMPLE(DSA, version, LONG), - ASN1_SIMPLE(DSA, p, BIGNUM), - ASN1_SIMPLE(DSA, q, BIGNUM), - ASN1_SIMPLE(DSA, g, BIGNUM), - ASN1_SIMPLE(DSA, pub_key, BIGNUM), - ASN1_SIMPLE(DSA, priv_key, BIGNUM) -} ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey) - -IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPrivateKey, DSAPrivateKey) - -ASN1_SEQUENCE_cb(DSAparams, dsa_cb) = { - ASN1_SIMPLE(DSA, p, BIGNUM), - ASN1_SIMPLE(DSA, q, BIGNUM), - ASN1_SIMPLE(DSA, g, BIGNUM), -} ASN1_SEQUENCE_END_cb(DSA, DSAparams) - -IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAparams, DSAparams) - -/* - * DSA public key is a bit trickier... its effectively a CHOICE type decided - * by a field called write_params which can either write out just the public - * key as an INTEGER or the parameters and public key in a SEQUENCE - */ - -ASN1_SEQUENCE(dsa_pub_internal) = { - ASN1_SIMPLE(DSA, pub_key, BIGNUM), - ASN1_SIMPLE(DSA, p, BIGNUM), - ASN1_SIMPLE(DSA, q, BIGNUM), - ASN1_SIMPLE(DSA, g, BIGNUM) -} ASN1_SEQUENCE_END_name(DSA, dsa_pub_internal) - -ASN1_CHOICE_cb(DSAPublicKey, dsa_cb) = { - ASN1_SIMPLE(DSA, pub_key, BIGNUM), - ASN1_EX_COMBINE(0, 0, dsa_pub_internal) -} ASN1_CHOICE_END_cb(DSA, DSAPublicKey, write_params) - -IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPublicKey, DSAPublicKey) - -DSA *DSAparams_dup(DSA *dsa) -{ - return ASN1_item_dup(ASN1_ITEM_rptr(DSAparams), dsa); -} - -int DSA_sign(int type, const unsigned char *dgst, int dlen, - unsigned char *sig, unsigned int *siglen, DSA *dsa) -{ - DSA_SIG *s; - RAND_seed(dgst, dlen); - s = DSA_do_sign(dgst, dlen, dsa); - if (s == NULL) { - *siglen = 0; - return (0); - } - *siglen = i2d_DSA_SIG(s, &sig); - DSA_SIG_free(s); - return (1); -} - -/* data has already been hashed (probably with SHA or SHA-1). */ -/*- - * returns - * 1: correct signature - * 0: incorrect signature - * -1: error - */ -int DSA_verify(int type, const unsigned char *dgst, int dgst_len, - const unsigned char *sigbuf, int siglen, DSA *dsa) -{ - DSA_SIG *s; - const unsigned char *p = sigbuf; - unsigned char *der = NULL; - int derlen = -1; - int ret = -1; - - s = DSA_SIG_new(); - if (s == NULL) - return (ret); - if (d2i_DSA_SIG(&s, &p, siglen) == NULL) - goto err; - /* Ensure signature uses DER and doesn't have trailing garbage */ - derlen = i2d_DSA_SIG(s, &der); - if (derlen != siglen || memcmp(sigbuf, der, derlen)) - goto err; - ret = DSA_do_verify(dgst, dgst_len, s, dsa); - err: - if (derlen > 0) { - OPENSSL_cleanse(der, derlen); - OPENSSL_free(der); - } - DSA_SIG_free(s); - return (ret); -} |