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comparison libtomcrypt/src/hashes/sha2/sha224.c @ 1471:6dba84798cd5

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Update to libtomcrypt 1.18.1, merged with Dropbear changes
author Matt Johnston <matt@ucc.asn.au>
date Fri, 09 Feb 2018 21:44:05 +0800
parents f849a5ca2efc
children
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1470:8bba51a55704 1471:6dba84798cd5
3 * LibTomCrypt is a library that provides various cryptographic 3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner. 4 * algorithms in a highly modular and flexible manner.
5 * 5 *
6 * The library is free for all purposes without any express 6 * The library is free for all purposes without any express
7 * guarantee it works. 7 * guarantee it works.
8 *
9 * Tom St Denis, [email protected], http://libtom.org
10 */ 8 */
11 /** 9 /**
12 @param sha224.c 10 @param sha224.c
13 LTC_SHA-224 new NIST standard based off of LTC_SHA-256 truncated to 224 bits (Tom St Denis) 11 LTC_SHA-224 new NIST standard based off of LTC_SHA-256 truncated to 224 bits (Tom St Denis)
14 */ 12 */
13
14 #include "tomcrypt.h"
15
16 #if defined(LTC_SHA224) && defined(LTC_SHA256)
15 17
16 const struct ltc_hash_descriptor sha224_desc = 18 const struct ltc_hash_descriptor sha224_desc =
17 { 19 {
18 "sha224", 20 "sha224",
19 10, 21 10,
70 72
71 err = sha256_done(md, buf); 73 err = sha256_done(md, buf);
72 XMEMCPY(out, buf, 28); 74 XMEMCPY(out, buf, 28);
73 #ifdef LTC_CLEAN_STACK 75 #ifdef LTC_CLEAN_STACK
74 zeromem(buf, sizeof(buf)); 76 zeromem(buf, sizeof(buf));
75 #endif 77 #endif
76 return err; 78 return err;
77 } 79 }
78 80
79 /** 81 /**
80 Self-test the hash 82 Self-test the hash
81 @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled 83 @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
82 */ 84 */
83 int sha224_test(void) 85 int sha224_test(void)
84 { 86 {
85 #ifndef LTC_TEST 87 #ifndef LTC_TEST
86 return CRYPT_NOP; 88 return CRYPT_NOP;
87 #else 89 #else
88 static const struct { 90 static const struct {
89 char *msg; 91 const char *msg;
90 unsigned char hash[28]; 92 unsigned char hash[28];
91 } tests[] = { 93 } tests[] = {
92 { "abc", 94 { "abc",
93 { 0x23, 0x09, 0x7d, 0x22, 0x34, 0x05, 0xd8, 95 { 0x23, 0x09, 0x7d, 0x22, 0x34, 0x05, 0xd8,
94 0x22, 0x86, 0x42, 0xa4, 0x77, 0xbd, 0xa2, 96 0x22, 0x86, 0x42, 0xa4, 0x77, 0xbd, 0xa2,
109 111
110 for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) { 112 for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) {
111 sha224_init(&md); 113 sha224_init(&md);
112 sha224_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg)); 114 sha224_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg));
113 sha224_done(&md, tmp); 115 sha224_done(&md, tmp);
114 if (XMEMCMP(tmp, tests[i].hash, 28) != 0) { 116 if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "SHA224", i)) {
115 return CRYPT_FAIL_TESTVECTOR; 117 return CRYPT_FAIL_TESTVECTOR;
116 } 118 }
117 } 119 }
118 return CRYPT_OK; 120 return CRYPT_OK;
119 #endif 121 #endif
120 } 122 }
121 123
124 #endif /* defined(LTC_SHA224) && defined(LTC_SHA256) */
122 125
123 /* $Source$ */ 126
124 /* $Revision$ */ 127 /* ref: $Format:%D$ */
125 /* $Date$ */ 128 /* git commit: $Format:%H$ */
129 /* commit time: $Format:%ai$ */