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authorknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-07-13 20:06:14 +0000
committerknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-07-13 20:06:14 +0000
commit76d7dae26ab8b56dbafcec710fc42a5fb7d79840 (patch)
tree513cc8df433c60ad0d6249388a38ade5a651188e /ext/digest/sha2/sha2hl.c
parent6ecd6fe37bf6395850d3825bab3fb88d5d345c82 (diff)
Import the "digest" module and the submodules, from the Rough Ruby
project. ext/digest: This module provides the module Digest and the abstract class Digest::Base. ext/digest/md5 (which obsoletes ext/md5): This module provides the class Digest::MD5 which implements the MD5 Message-Digest Algorithm. ext/digest/rmd160: This module provides the class Digest::RMD160 which implements the RIPEMD-160 cryptographic hash function. ext/digest/sha1 (which obsoletes ext/sha1): This module provides the class Digest::SHA1 which implements the SHA-1 Secure Hash Algorithm. ext/digest/sha2: This module provides the classes Digest::SHA256, Digest::SHA384 and Digest::SHA512 which implement the SHA-256, SHA-384 and SHA-512 Secure Hash Algorithms, respectively. lib/md5.rb, lib/sha1.rb: These files are provided for backward compatibility. All these classes have the common API, which previously ext/md5 and ext/sha1 modules provided. While the new API keeps 100% backward compatibility, it has been enriched with several utility methods. Read digest.txt for further details. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/digest/sha2/sha2hl.c')
-rw-r--r--ext/digest/sha2/sha2hl.c252
1 files changed, 252 insertions, 0 deletions
diff --git a/ext/digest/sha2/sha2hl.c b/ext/digest/sha2/sha2hl.c
new file mode 100644
index 0000000000..03fde538c3
--- /dev/null
+++ b/ext/digest/sha2/sha2hl.c
@@ -0,0 +1,252 @@
+/* $NetBSD: sha2hl.c,v 1.1 2001/03/12 09:08:40 agc Exp $ */
+/* $RoughId: sha2hl.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */
+/* $Id$ */
+
+/*
+ * 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 <me@aarongifford.com>
+ *
+ * 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 "sha2.h"
+
+#ifndef lint
+/* __RCSID("$NetBSD: sha2hl.c,v 1.1 2001/03/12 09:08:40 agc Exp $"); */
+#endif /* not lint */
+
+/* #include "namespace.h" */
+
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#if defined(HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#ifndef _DIAGASSERT
+#define _DIAGASSERT(cond) assert(cond)
+#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)
+{
+ uint8_t buffer[BUFSIZ * 20];
+ 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[])
+{
+ uint8_t digest[SHA256_DIGEST_LENGTH], *d = digest;
+ uint8_t *ret;
+ int i;
+
+ /* Sanity check: */
+ assert(ctx != NULL);
+
+ if ((ret = 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(ctx, 0, sizeof(SHA256_CTX));
+ }
+ (void) memset(digest, 0, SHA256_DIGEST_LENGTH);
+ return ret;
+}
+
+char *
+SHA256_Data(const uint8_t * data, size_t len, char *digest)
+{
+ SHA256_CTX ctx;
+
+ SHA256_Init(&ctx);
+ SHA256_Update(&ctx, data, len);
+ return SHA256_End(&ctx, digest);
+}
+
+char *
+SHA384_File(char *filename, char *buf)
+{
+ SHA384_CTX ctx;
+ uint8_t buffer[BUFSIZ * 20];
+ 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[])
+{
+ uint8_t digest[SHA384_DIGEST_LENGTH], *d = digest;
+ uint8_t *ret;
+ int i;
+
+ /* Sanity check: */
+ assert(ctx != NULL);
+
+ if ((ret = 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(ctx, 0, sizeof(SHA384_CTX));
+ }
+ (void) memset(digest, 0, SHA384_DIGEST_LENGTH);
+ return ret;
+}
+
+char *
+SHA384_Data(const uint8_t * data, size_t len, char *digest)
+{
+ 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;
+ uint8_t buffer[BUFSIZ * 20];
+ 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[])
+{
+ uint8_t digest[SHA512_DIGEST_LENGTH], *d = digest;
+ uint8_t *ret;
+ int i;
+
+ /* Sanity check: */
+ assert(ctx != NULL);
+
+ if ((ret = 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(ctx, 0, sizeof(SHA512_CTX));
+ }
+ (void) memset(digest, 0, SHA512_DIGEST_LENGTH);
+ return 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);
+}