X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/72a12576750f52947eb043106ba5c12c0d07decf..b1ab9ed8d0e0f1c3b66d7daa8fd5564444c56195:/libsecurity_apple_csp/open_ssl/dsa/dsa_vrf.c diff --git a/libsecurity_apple_csp/open_ssl/dsa/dsa_vrf.c b/libsecurity_apple_csp/open_ssl/dsa/dsa_vrf.c new file mode 100644 index 00000000..1ed605b7 --- /dev/null +++ b/libsecurity_apple_csp/open_ssl/dsa/dsa_vrf.c @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. + * + * The contents of this file constitute Original Code as defined in and are + * subject to the Apple Public Source License Version 1.2 (the 'License'). + * You may not use this file except in compliance with the License. Please obtain + * a copy of the License at http://www.apple.com/publicsource and read it before + * using this file. + * + * This Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS + * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT + * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR + * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the + * specific language governing rights and limitations under the License. + */ + + +/* crypto/dsa/dsa_vrf.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.] + */ + +/* Original version from Steven Schoch */ + +#include +#include "cryptlib.h" +#include +#include +#include +#include +//#include + +int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig, + DSA *dsa) + { + return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa); + } + +/* data has already been hashed (probably with SHA or SHA-1). */ +/* returns + * 1: correct signature + * 0: incorrect signature + * -1: error + */ +#ifndef _OPENSSL_APPLE_CDSA_ +int DSA_verify(int type, const unsigned char *dgst, int dgst_len, + unsigned char *sigbuf, int siglen, DSA *dsa) + { + DSA_SIG *s; + int ret=-1; + + s = DSA_SIG_new(); + if (s == NULL) return(ret); + if (d2i_DSA_SIG(&s,&sigbuf,siglen) == NULL) goto err; + ret=DSA_do_verify(dgst,dgst_len,s,dsa); +err: + DSA_SIG_free(s); + return(ret); + } +#endif /* _OPENSSL_APPLE_CDSA_ */