diff options
Diffstat (limited to 'src/libstrongswan/plugins/md5')
| -rw-r--r-- | src/libstrongswan/plugins/md5/Makefile.am | 10 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/md5/Makefile.in | 494 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/md5/md5_hasher.c | 392 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/md5/md5_hasher.h | 48 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/md5/md5_plugin.c | 60 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/md5/md5_plugin.h | 47 |
6 files changed, 1051 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/md5/Makefile.am b/src/libstrongswan/plugins/md5/Makefile.am new file mode 100644 index 000000000..0a9c5cbf4 --- /dev/null +++ b/src/libstrongswan/plugins/md5/Makefile.am @@ -0,0 +1,10 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan + +AM_CFLAGS = -rdynamic + +plugin_LTLIBRARIES = libstrongswan-md5.la + +libstrongswan_md5_la_SOURCES = md5_plugin.h md5_plugin.c md5_hasher.c md5_hasher.h +libstrongswan_md5_la_LDFLAGS = -module + diff --git a/src/libstrongswan/plugins/md5/Makefile.in b/src/libstrongswan/plugins/md5/Makefile.in new file mode 100644 index 000000000..6a4b2a78b --- /dev/null +++ b/src/libstrongswan/plugins/md5/Makefile.in @@ -0,0 +1,494 @@ +# Makefile.in generated by automake 1.10.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = src/libstrongswan/plugins/md5 +DIST_COMMON = $(srcdir)/Makefile.am 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distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-pluginLTLIBRARIES \ + install-ps install-ps-am install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags uninstall uninstall-am uninstall-pluginLTLIBRARIES + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/libstrongswan/plugins/md5/md5_hasher.c b/src/libstrongswan/plugins/md5/md5_hasher.c new file mode 100644 index 000000000..2354139bb --- /dev/null +++ b/src/libstrongswan/plugins/md5/md5_hasher.c @@ -0,0 +1,392 @@ +/* + * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005 Jan Hutter + * Hochschule fuer Technik Rapperswil + * Copyright (C) 1991-1992, RSA Data Security, Inc. Created 1991. + * All rights reserved. + * + * Derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm. + * Ported to fulfill hasher_t interface. + * + * 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + * + * $Id: md5_hasher.c 3488 2008-02-21 15:10:02Z martin $ + */ + +#include <string.h> + +#include "md5_hasher.h" + + +/* Constants for MD5Transform routine. */ +#define S11 7 +#define S12 12 +#define S13 17 +#define S14 22 +#define S21 5 +#define S22 9 +#define S23 14 +#define S24 20 +#define S31 4 +#define S32 11 +#define S33 16 +#define S34 23 +#define S41 6 +#define S42 10 +#define S43 15 +#define S44 21 + +static u_int8_t PADDING[64] = { + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +/* + * ugly macro stuff + */ +/* F, G, H and I are basic MD5 functions. + */ +#define F(x, y, z) (((x) & (y)) | ((~x) & (z))) +#define G(x, y, z) (((x) & (z)) | ((y) & (~z))) +#define H(x, y, z) ((x) ^ (y) ^ (z)) +#define I(x, y, z) ((y) ^ ((x) | (~z))) + +/* ROTATE_LEFT rotates x left n bits. + */ +#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) + +/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. +Rotation is separate from addition to prevent recomputation. + */ +#define FF(a, b, c, d, x, s, ac) { \ + (a) += F ((b), (c), (d)) + (x) + (u_int32_t)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } +#define GG(a, b, c, d, x, s, ac) { \ + (a) += G ((b), (c), (d)) + (x) + (u_int32_t)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } +#define HH(a, b, c, d, x, s, ac) { \ + (a) += H ((b), (c), (d)) + (x) + (u_int32_t)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } +#define II(a, b, c, d, x, s, ac) { \ + (a) += I ((b), (c), (d)) + (x) + (u_int32_t)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } + + + +typedef struct private_md5_hasher_t private_md5_hasher_t; + +/** + * Private data structure with hasing context. + */ +struct private_md5_hasher_t { + /** + * Public interface for this hasher. + */ + md5_hasher_t public; + + /* + * State of the hasher. + */ + u_int32_t state[5]; + u_int32_t count[2]; + u_int8_t buffer[64]; +}; + + +#if BYTE_ORDER != LITTLE_ENDIAN + +/* Encodes input (u_int32_t) into output (u_int8_t). Assumes len is + * a multiple of 4. + */ +static void Encode (u_int8_t *output, u_int32_t *input, size_t len) +{ + size_t i, j; + + for (i = 0, j = 0; j < len; i++, j += 4) + { + output[j] = (u_int8_t)(input[i] & 0xff); + output[j+1] = (u_int8_t)((input[i] >> 8) & 0xff); + output[j+2] = (u_int8_t)((input[i] >> 16) & 0xff); + output[j+3] = (u_int8_t)((input[i] >> 24) & 0xff); + } +} + +/* Decodes input (u_int8_t) into output (u_int32_t). Assumes len is + * a multiple of 4. + */ +static void Decode(u_int32_t *output, u_int8_t *input, size_t len) +{ + size_t i, j; + + for (i = 0, j = 0; j < len; i++, j += 4) + { + output[i] = ((u_int32_t)input[j]) | (((u_int32_t)input[j+1]) << 8) | + (((u_int32_t)input[j+2]) << 16) | (((u_int32_t)input[j+3]) << 24); + } +} + +#elif BYTE_ORDER == LITTLE_ENDIAN + #define Encode memcpy + #define Decode memcpy +#endif + +/* MD5 basic transformation. Transforms state based on block. + */ +static void MD5Transform(u_int32_t state[4], u_int8_t block[64]) +{ + u_int32_t a = state[0], b = state[1], c = state[2], d = state[3], x[16]; + + Decode(x, block, 64); + + /* Round 1 */ + FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */ + FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */ + FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */ + FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */ + FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */ + FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */ + FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */ + FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */ + FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */ + FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */ + FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ + FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ + FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ + FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ + FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ + FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ + + /* Round 2 */ + GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */ + GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */ + GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ + GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */ + GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */ + GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */ + GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ + GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */ + GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */ + GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ + GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */ + GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */ + GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ + GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */ + GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */ + GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ + + /* Round 3 */ + HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */ + HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */ + HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ + HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ + HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */ + HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */ + HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */ + HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ + HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ + HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */ + HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */ + HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */ + HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */ + HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ + HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ + HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */ + + /* Round 4 */ + II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */ + II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */ + II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */ + II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */ + II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */ + II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */ + II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */ + II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */ + II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */ + II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */ + II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */ + II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */ + II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */ + II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */ + II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */ + II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */ + + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; +} + +/* MD5 block update operation. Continues an MD5 message-digest + * operation, processing another message block, and updating the + * context. + */ +static void MD5Update(private_md5_hasher_t *this, u_int8_t *input, size_t inputLen) +{ + u_int32_t i; + size_t index, partLen; + + /* Compute number of bytes mod 64 */ + index = (u_int8_t)((this->count[0] >> 3) & 0x3F); + + /* Update number of bits */ + if ((this->count[0] += (inputLen << 3)) < (inputLen << 3)) + { + this->count[1]++; + } + this->count[1] += (inputLen >> 29); + + partLen = 64 - index; + + /* Transform as many times as possible. */ + if (inputLen >= partLen) + { + memcpy(&this->buffer[index], input, partLen); + MD5Transform (this->state, this->buffer); + + for (i = partLen; i + 63 < inputLen; i += 64) + { + MD5Transform (this->state, &input[i]); + } + index = 0; + } + else + { + i = 0; + } + + /* Buffer remaining input */ + memcpy(&this->buffer[index], &input[i], inputLen-i); +} + +/* MD5 finalization. Ends an MD5 message-digest operation, writing the + * the message digest and zeroizing the context. + */ +static void MD5Final (private_md5_hasher_t *this, u_int8_t digest[16]) +{ + u_int8_t bits[8]; + size_t index, padLen; + + /* Save number of bits */ + Encode (bits, this->count, 8); + + /* Pad out to 56 mod 64. */ + index = (size_t)((this->count[0] >> 3) & 0x3f); + padLen = (index < 56) ? (56 - index) : (120 - index); + MD5Update (this, PADDING, padLen); + + /* Append length (before padding) */ + MD5Update (this, bits, 8); + + if (digest != NULL) /* Bill Simpson's padding */ + { + /* store state in digest */ + Encode (digest, this->state, 16); + } +} + + + +/** + * Implementation of hasher_t.get_hash. + */ +static void get_hash(private_md5_hasher_t *this, chunk_t chunk, u_int8_t *buffer) +{ + MD5Update(this, chunk.ptr, chunk.len); + if (buffer != NULL) + { + MD5Final(this, buffer); + this->public.hasher_interface.reset(&(this->public.hasher_interface)); + } +} + + +/** + * Implementation of hasher_t.allocate_hash. + */ +static void allocate_hash(private_md5_hasher_t *this, chunk_t chunk, chunk_t *hash) +{ + chunk_t allocated_hash; + + MD5Update(this, chunk.ptr, chunk.len); + if (hash != NULL) + { + allocated_hash.ptr = malloc(HASH_SIZE_MD5); + allocated_hash.len = HASH_SIZE_MD5; + + MD5Final(this, allocated_hash.ptr); + this->public.hasher_interface.reset(&(this->public.hasher_interface)); + + *hash = allocated_hash; + } +} + +/** + * Implementation of hasher_t.get_hash_size. + */ +static size_t get_hash_size(private_md5_hasher_t *this) +{ + return HASH_SIZE_MD5; +} + +/** + * Implementation of hasher_t.reset. + */ +static void reset(private_md5_hasher_t *this) +{ + this->state[0] = 0x67452301; + this->state[1] = 0xefcdab89; + this->state[2] = 0x98badcfe; + this->state[3] = 0x10325476; + this->count[0] = 0; + this->count[1] = 0; +} + +/** + * Implementation of hasher_t.destroy. + */ +static void destroy(private_md5_hasher_t *this) +{ + free(this); +} + +/* + * Described in header. + */ +md5_hasher_t *md5_hasher_create(hash_algorithm_t algo) +{ + private_md5_hasher_t *this; + + if (algo != HASH_MD5) + { + return NULL; + } + this = malloc_thing(private_md5_hasher_t); + + this->public.hasher_interface.get_hash = (void (*) (hasher_t*, chunk_t, u_int8_t*))get_hash; + this->public.hasher_interface.allocate_hash = (void (*) (hasher_t*, chunk_t, chunk_t*))allocate_hash; + this->public.hasher_interface.get_hash_size = (size_t (*) (hasher_t*))get_hash_size; + this->public.hasher_interface.reset = (void (*) (hasher_t*))reset; + this->public.hasher_interface.destroy = (void (*) (hasher_t*))destroy; + + /* initialize */ + reset(this); + + return &(this->public); +} diff --git a/src/libstrongswan/plugins/md5/md5_hasher.h b/src/libstrongswan/plugins/md5/md5_hasher.h new file mode 100644 index 000000000..d4a0417ab --- /dev/null +++ b/src/libstrongswan/plugins/md5/md5_hasher.h @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2008 Martin Willi + * Copyright (C) 2005 Jan Hutter + * Hochschule fuer Technik Rapperswil + * + * 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +/** + * @defgroup md5_hasher md5_hasher + * @{ @ingroup md5_p + */ + +#ifndef MD5_HASHER_H_ +#define MD5_HASHER_H_ + +typedef struct md5_hasher_t md5_hasher_t; + +#include <crypto/hashers/hasher.h> + +/** + * Implementation of hasher_t interface using the MD5 algorithm. + */ +struct md5_hasher_t { + + /** + * Generic hasher_t interface for this hasher. + */ + hasher_t hasher_interface; +}; + +/** + * Creates a new md5_hasher_t. + * + * @param algo hash algorithm, must be HASH_MD5 + * @return md5_hasher_t object, NULL if not supported + */ +md5_hasher_t *md5_hasher_create(hash_algorithm_t algo); + +#endif /*MD5_HASHER_H_@}*/ diff --git a/src/libstrongswan/plugins/md5/md5_plugin.c b/src/libstrongswan/plugins/md5/md5_plugin.c new file mode 100644 index 000000000..c1c9a0805 --- /dev/null +++ b/src/libstrongswan/plugins/md5/md5_plugin.c @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + * + * $Id: md5_plugin.c 3488 2008-02-21 15:10:02Z martin $ + */ + +#include "md5_plugin.h" + +#include <library.h> +#include "md5_hasher.h" + +typedef struct private_md5_plugin_t private_md5_plugin_t; + +/** + * private data of md5_plugin + */ +struct private_md5_plugin_t { + + /** + * public functions + */ + md5_plugin_t public; +}; + +/** + * Implementation of md5_plugin_t.destroy + */ +static void destroy(private_md5_plugin_t *this) +{ + lib->crypto->remove_hasher(lib->crypto, + (hasher_constructor_t)md5_hasher_create); + free(this); +} + +/* + * see header file + */ +plugin_t *plugin_create() +{ + private_md5_plugin_t *this = malloc_thing(private_md5_plugin_t); + + this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + + lib->crypto->add_hasher(lib->crypto, HASH_MD5, + (hasher_constructor_t)md5_hasher_create); + + return &this->public.plugin; +} + diff --git a/src/libstrongswan/plugins/md5/md5_plugin.h b/src/libstrongswan/plugins/md5/md5_plugin.h new file mode 100644 index 000000000..e8e8dd535 --- /dev/null +++ b/src/libstrongswan/plugins/md5/md5_plugin.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +/** + * @defgroup md5_p md5 + * @ingroup plugins + * + * @defgroup md5_plugin md5_plugin + * @{ @ingroup md5_p + */ + +#ifndef MD5_PLUGIN_H_ +#define MD5_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct md5_plugin_t md5_plugin_t; + +/** + * Plugin implementing the MD5 hash algorithm in software. + */ +struct md5_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +/** + * Create a md5_plugin instance. + */ +plugin_t *plugin_create(); + +#endif /* MD5_PLUGIN_H_ @}*/ |