diff --git a/lib/libutil/sha2hl.c b/lib/libutil/sha2hl.c index 0d63a30b4..9a0c6dbe8 100644 --- a/lib/libutil/sha2hl.c +++ b/lib/libutil/sha2hl.c @@ -244,250 +244,3 @@ SHA512_Data(const uint8_t * data, size_t len, char *digest) return SHA512_End(&ctx, digest); } -/* $NetBSD: sha2hl.c,v 1.7 2007/07/31 13:17:34 joerg Exp $ */ - -/* - * sha2hl.c - * This code includes some functions taken from sha2.c, hence the - * following licence reproduction. - * - * This code is not a verbatim copy, since some routines have been added, - * and some bugs have been fixed. - * - * Version 1.0.0beta1 - * - * Written by Aaron D. Gifford - * - * Copyright 2000 Aaron D. Gifford. 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. Neither the name of the copyright holder nor the names of contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``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(S) OR CONTRIBUTOR(S) 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. - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#ifndef _DIAGASSERT -#define _DIAGASSERT(cond) assert(cond) -#endif - -#ifndef MEMSET_BZERO -#define MEMSET_BZERO(p,l) memset((p), 0, (l)) -#endif - -/* - * Constant used by SHA256/384/512_End() functions for converting the - * digest to a readable hexadecimal character string: - */ -static const char sha2_hex_digits[] = "0123456789abcdef"; - -char * -SHA256_File(char *filename, char *buf) -{ - unsigned char buffer[SHA256_DIGEST_STRING_LENGTH]; - SHA256_CTX ctx; - int fd, num, oerrno; - - _DIAGASSERT(filename != NULL); - /* XXX: buf may be NULL ? */ - - SHA256_Init(&ctx); - - if ((fd = open(filename, O_RDONLY)) < 0) - return (0); - - while ((num = read(fd, buffer, sizeof(buffer))) > 0) - SHA256_Update(&ctx, buffer, (size_t) num); - - oerrno = errno; - close(fd); - errno = oerrno; - return (num < 0 ? 0 : SHA256_End(&ctx, buf)); -} - - -char * -SHA256_End(SHA256_CTX *ctx, char buffer[SHA256_DIGEST_STRING_LENGTH]) -{ - unsigned char digest[SHA256_DIGEST_LENGTH], *d = digest; - unsigned char *ret; - int i; - - /* Sanity check: */ - assert(ctx != NULL); - - if ((ret = (unsigned char *)buffer) != NULL) { - SHA256_Final(digest, ctx); - - for (i = 0; i < SHA256_DIGEST_LENGTH; i++) { - *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4]; - *buffer++ = sha2_hex_digits[*d & 0x0f]; - d++; - } - *buffer = (char) 0; - } else { - (void) MEMSET_BZERO(ctx, sizeof(SHA256_CTX)); - } - (void) MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH); - return (char *)ret; -} - -char * -SHA256_Data(const uint8_t * data, size_t len, unsigned char digest[SHA256_DIGEST_STRING_LENGTH]) -{ - SHA256_CTX ctx; - - SHA256_Init(&ctx); - SHA256_Update(&ctx, data, len); - return SHA256_End(&ctx, (char *)digest); -} - -char * -SHA384_File(char *filename, char *buf) -{ - SHA384_CTX ctx; - unsigned char buffer[SHA384_DIGEST_STRING_LENGTH]; - int fd, num, oerrno; - - _DIAGASSERT(filename != NULL); - /* XXX: buf may be NULL ? */ - - SHA384_Init(&ctx); - - if ((fd = open(filename, O_RDONLY)) < 0) - return (0); - - while ((num = read(fd, buffer, sizeof(buffer))) > 0) - SHA384_Update(&ctx, buffer, (size_t) num); - - oerrno = errno; - close(fd); - errno = oerrno; - return (num < 0 ? 0 : SHA384_End(&ctx, buf)); -} - -char * -SHA384_End(SHA384_CTX * ctx, char buffer[SHA384_DIGEST_STRING_LENGTH]) -{ - unsigned char digest[SHA384_DIGEST_LENGTH], *d = digest; - unsigned char *ret; - int i; - - /* Sanity check: */ - assert(ctx != NULL); - - if ((ret = (unsigned char *)buffer) != NULL) { - SHA384_Final(digest, ctx); - - for (i = 0; i < SHA384_DIGEST_LENGTH; i++) { - *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4]; - *buffer++ = sha2_hex_digits[*d & 0x0f]; - d++; - } - *buffer = (char) 0; - } else { - (void) MEMSET_BZERO(ctx, sizeof(SHA384_CTX)); - } - (void) MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH); - return (char *)ret; -} - -char * -SHA384_Data(const uint8_t* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH]) -{ - SHA384_CTX ctx; - - SHA384_Init(&ctx); - SHA384_Update(&ctx, data, len); - return SHA384_End(&ctx, digest); -} - -char * -SHA512_File(char *filename, char *buf) -{ - SHA512_CTX ctx; - unsigned char buffer[SHA512_DIGEST_STRING_LENGTH]; - int fd, num, oerrno; - - _DIAGASSERT(filename != NULL); - /* XXX: buf may be NULL ? */ - - SHA512_Init(&ctx); - - if ((fd = open(filename, O_RDONLY)) < 0) - return (0); - - while ((num = read(fd, buffer, sizeof(buffer))) > 0) - SHA512_Update(&ctx, buffer, (size_t) num); - - oerrno = errno; - close(fd); - errno = oerrno; - return (num < 0 ? 0 : SHA512_End(&ctx, buf)); -} - -char * -SHA512_End(SHA512_CTX * ctx, char buffer[SHA512_DIGEST_STRING_LENGTH]) -{ - unsigned char digest[SHA512_DIGEST_LENGTH], *d = digest; - unsigned char *ret; - int i; - - /* Sanity check: */ - assert(ctx != NULL); - - if ((ret = (unsigned char *)buffer) != NULL) { - SHA512_Final(digest, ctx); - - for (i = 0; i < SHA512_DIGEST_LENGTH; i++) { - *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4]; - *buffer++ = sha2_hex_digits[*d & 0x0f]; - d++; - } - *buffer = (char) 0; - } else { - (void) MEMSET_BZERO(ctx, sizeof(SHA512_CTX)); - } - (void) MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH); - return (char *)ret; -} - -char * -SHA512_Data(const uint8_t * data, size_t len, char *digest) -{ - SHA512_CTX ctx; - - SHA512_Init(&ctx); - SHA512_Update(&ctx, data, len); - return SHA512_End(&ctx, digest); -} - -