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path: root/src/sha256.h
authorSergey Poznyakoff <gray@gnu.org.ua>2014-11-18 23:49:13 (GMT)
committer Sergey Poznyakoff <gray@gnu.org.ua>2014-11-19 00:03:58 (GMT)
commit57a7d63793de517493499e748ce5d5d82def8a57 (patch) (side-by-side diff)
tree35dbead6db811eecc03c0578e8aa3e2ed777b824 /src/sha256.h
parentf0671d1bc19592e5b659959920b51e3da05de79f (diff)
downloadvarnish-mib-57a7d63793de517493499e748ce5d5d82def8a57.tar.gz
varnish-mib-57a7d63793de517493499e748ce5d5d82def8a57.tar.bz2
New rw snmp variable clientBan allows to set bans via snmp
* src/varnish_mib.mib2c: Add support for rw variables. * src/Makefile.am (varnish_mib_la_SOURCES): Add new files. * src/VARNISH-MIB.txt (clientBan): New OID. * src/auth.c: New file. * src/ban.c: New file. * src/sha256.c: New file. * src/sha256.h: New file. * src/varnish_mib.h: New file. * src/vcli.c: New file.
Diffstat (limited to 'src/sha256.h') (more/less context) (ignore whitespace changes)
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diff --git a/src/sha256.h b/src/sha256.h
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+/* Declarations of functions and data types used for SHA256 and SHA224 sum
+ library functions.
+ Copyright (C) 2005-2006, 2008-2013 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef ECLAT_SHA256_H
+# define ECLAT_SHA256_H 1
+
+# include <stdio.h>
+# include <stdint.h>
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+/* Structure to save state of computation between the single steps. */
+struct sha256_ctx
+{
+ uint32_t state[8];
+
+ uint32_t total[2];
+ size_t buflen;
+ uint32_t buffer[32];
+};
+
+enum { SHA224_DIGEST_SIZE = 224 / 8 };
+enum { SHA256_DIGEST_SIZE = 256 / 8 };
+
+/* Initialize structure containing state of computation. */
+extern void sha256_init_ctx (struct sha256_ctx *ctx);
+extern void sha224_init_ctx (struct sha256_ctx *ctx);
+
+/* Starting with the result of former calls of this function (or the
+ initialization function update the context for the next LEN bytes
+ starting at BUFFER.
+ It is necessary that LEN is a multiple of 64!!! */
+extern void sha256_process_block (const void *buffer, size_t len,
+ struct sha256_ctx *ctx);
+
+/* Starting with the result of former calls of this function (or the
+ initialization function update the context for the next LEN bytes
+ starting at BUFFER.
+ It is NOT required that LEN is a multiple of 64. */
+extern void sha256_process_bytes (const void *buffer, size_t len,
+ struct sha256_ctx *ctx);
+
+/* Process the remaining bytes in the buffer and put result from CTX
+ in first 32 (28) bytes following RESBUF. The result is always in little
+ endian byte order, so that a byte-wise output yields to the wanted
+ ASCII representation of the message digest. */
+extern void *sha256_finish_ctx (struct sha256_ctx *ctx, void *resbuf);
+extern void *sha224_finish_ctx (struct sha256_ctx *ctx, void *resbuf);
+
+
+/* Put result from CTX in first 32 (28) bytes following RESBUF. The result is
+ always in little endian byte order, so that a byte-wise output yields
+ to the wanted ASCII representation of the message digest. */
+extern void *sha256_read_ctx (const struct sha256_ctx *ctx, void *resbuf);
+extern void *sha224_read_ctx (const struct sha256_ctx *ctx, void *resbuf);
+
+
+/* Compute SHA256 (SHA224) message digest for bytes read from STREAM. The
+ resulting message digest number will be written into the 32 (28) bytes
+ beginning at RESBLOCK. */
+extern int sha256_stream (FILE *stream, void *resblock);
+extern int sha224_stream (FILE *stream, void *resblock);
+
+/* Compute SHA256 (SHA224) message digest for LEN bytes beginning at BUFFER. The
+ result is always in little endian byte order, so that a byte-wise
+ output yields to the wanted ASCII representation of the message
+ digest. */
+extern void *sha256_buffer (const char *buffer, size_t len, void *resblock);
+extern void *sha224_buffer (const char *buffer, size_t len, void *resblock);
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif

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