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Annotation of embedaddon/sudo/plugins/sudoers/regress/parser/check_digest.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com>
        !             3:  *
        !             4:  * Permission to use, copy, modify, and distribute this software for any
        !             5:  * purpose with or without fee is hereby granted, provided that the above
        !             6:  * copyright notice and this permission notice appear in all copies.
        !             7:  *
        !             8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !             9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            15:  */
        !            16: 
        !            17: #include <config.h>
        !            18: 
        !            19: #include <stdio.h>
        !            20: #ifdef STDC_HEADERS
        !            21: # include <stdlib.h>
        !            22: # include <stddef.h>
        !            23: #else
        !            24: # ifdef HAVE_STDLIB_H
        !            25: #  include <stdlib.h>
        !            26: # endif
        !            27: #endif /* STDC_HEADERS */
        !            28: #ifdef HAVE_STRING_H
        !            29: # if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
        !            30: #  include <memory.h>
        !            31: # endif
        !            32: # include <string.h>
        !            33: #endif /* HAVE_STRING_H */
        !            34: #ifdef HAVE_STRINGS_H
        !            35: # include <strings.h>
        !            36: #endif /* HAVE_STRINGS_H */
        !            37: #if defined(HAVE_STDINT_H)
        !            38: # include <stdint.h>
        !            39: #elif defined(HAVE_INTTYPES_H)
        !            40: # include <inttypes.h>
        !            41: #endif
        !            42: 
        !            43: #include "missing.h"
        !            44: #include "sha2.h"
        !            45: 
        !            46: __dso_public int main(int argc, char *argv[]);
        !            47: 
        !            48: static struct digest_function {
        !            49:     const char *digest_name;
        !            50:     const int digest_len;
        !            51:     void (*init)(SHA2_CTX *);
        !            52:     void (*update)(SHA2_CTX *, const unsigned char *, size_t);
        !            53:     void (*final)(unsigned char *, SHA2_CTX *);
        !            54: } digest_functions[] = {
        !            55:     {
        !            56:        "SHA224",
        !            57:        SHA224_DIGEST_LENGTH,
        !            58:        SHA224Init,
        !            59:        SHA224Update,
        !            60:        SHA224Final
        !            61:     }, {
        !            62:        "SHA256",
        !            63:        SHA256_DIGEST_LENGTH,
        !            64:        SHA256Init,
        !            65:        SHA256Update,
        !            66:        SHA256Final
        !            67:     }, {
        !            68:        "SHA384",
        !            69:        SHA384_DIGEST_LENGTH,
        !            70:        SHA384Init,
        !            71:        SHA384Update,
        !            72:        SHA384Final
        !            73:     }, {
        !            74:        "SHA512",
        !            75:        SHA512_DIGEST_LENGTH,
        !            76:        SHA512Init,
        !            77:        SHA512Update,
        !            78:        SHA512Final
        !            79:     }, {
        !            80:        NULL
        !            81:     }
        !            82: };
        !            83: 
        !            84: int
        !            85: main(int argc, char *argv[])
        !            86: {
        !            87:     SHA2_CTX ctx;
        !            88:     int i, j;
        !            89:     struct digest_function *func;
        !            90:     unsigned char digest[SHA512_DIGEST_LENGTH];
        !            91:     static const char hex[] = "0123456789abcdef";
        !            92:     unsigned char buf[1000];
        !            93:     unsigned const char *test_strings[] = {
        !            94:        "",
        !            95:        "a",
        !            96:        "abc",
        !            97:        "message digest",
        !            98:        "abcdefghijklmnopqrstuvwxyz",
        !            99:        "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
        !           100:        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
        !           101:            "0123456789",
        !           102:        "12345678901234567890123456789012345678901234567890123456789"
        !           103:            "012345678901234567890",
        !           104:     };
        !           105: 
        !           106:     for (func = digest_functions; func->digest_name != NULL; func++) {
        !           107:        for (i = 0; i < 8; i++) {
        !           108:            func->init(&ctx);
        !           109:            func->update(&ctx, test_strings[i], strlen(test_strings[i]));
        !           110:            func->final(digest, &ctx);
        !           111:            printf("%s (\"%s\") = ", func->digest_name, test_strings[i]);
        !           112:            for (j = 0; j < func->digest_len; j++) {
        !           113:                putchar(hex[digest[j] >> 4]);
        !           114:                putchar(hex[digest[j] & 0x0f]);
        !           115:            }
        !           116:            putchar('\n');
        !           117:        }
        !           118: 
        !           119:        /* Simulate a string of a million 'a' characters. */
        !           120:        memset(buf, 'a', sizeof(buf));
        !           121:        func->init(&ctx);
        !           122:        for (i = 0; i < 1000; i++) {
        !           123:            func->update(&ctx, buf, sizeof(buf));
        !           124:        }
        !           125:        func->final(digest, &ctx);
        !           126:        printf("%s (one million 'a' characters) = ", func->digest_name);
        !           127:        for (j = 0; j < func->digest_len; j++) {
        !           128:            putchar(hex[digest[j] >> 4]);
        !           129:            putchar(hex[digest[j] & 0x0f]);
        !           130:        }
        !           131:        putchar('\n');
        !           132:     }
        !           133:     exit(0);
        !           134: }