Botan 3.5.0
Crypto and TLS for C&
hash_id.cpp
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1/*
2* Hash Function Identification
3* (C) 1999-2008 Jack Lloyd
4*
5* Botan is released under the Simplified BSD License (see license.txt)
6*/
7
8#include <botan/internal/hash_id.h>
9
10#include <botan/exceptn.h>
11
12namespace Botan {
13
14namespace {
15
16const uint8_t MD5_PKCS_ID[] = {
17 0x30, 0x20, 0x30, 0x0C, 0x06, 0x08, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, 0x05, 0x00, 0x04, 0x10};
18
19const uint8_t RIPEMD_160_PKCS_ID[] = {
20 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x24, 0x03, 0x02, 0x01, 0x05, 0x00, 0x04, 0x14};
21
22const uint8_t SHA_1_PKCS_ID[] = {
23 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x0E, 0x03, 0x02, 0x1A, 0x05, 0x00, 0x04, 0x14};
24
25const uint8_t SHA_224_PKCS_ID[] = {
26 0x30, 0x2D, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, 0x05, 0x00, 0x04, 0x1C};
27
28const uint8_t SHA_256_PKCS_ID[] = {
29 0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20};
30
31const uint8_t SHA_384_PKCS_ID[] = {
32 0x30, 0x41, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05, 0x00, 0x04, 0x30};
33
34const uint8_t SHA_512_PKCS_ID[] = {
35 0x30, 0x51, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40};
36
37const uint8_t SHA_512_256_PKCS_ID[] = {
38 0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x06, 0x05, 0x00, 0x04, 0x20};
39
40const uint8_t SHA3_224_PKCS_ID[] = {
41 0x30, 0x2D, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x07, 0x05, 0x00, 0x04, 0x1C};
42
43const uint8_t SHA3_256_PKCS_ID[] = {
44 0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x08, 0x05, 0x00, 0x04, 0x20};
45
46const uint8_t SHA3_384_PKCS_ID[] = {
47 0x30, 0x41, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x09, 0x05, 0x00, 0x04, 0x30};
48
49const uint8_t SHA3_512_PKCS_ID[] = {
50 0x30, 0x51, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x0A, 0x05, 0x00, 0x04, 0x40};
51
52const uint8_t SM3_PKCS_ID[] = {
53 0x30,
54 0x30,
55 0x30,
56 0x0C,
57 0x06,
58 0x08,
59 0x2A,
60 0x81,
61 0x1C,
62 0xCF,
63 0x55,
64 0x01,
65 0x83,
66 0x11,
67 0x05,
68 0x00,
69 0x04,
70 0x20,
71};
72
73} // namespace
74
75/*
76* HashID as specified by PKCS
77*/
78std::vector<uint8_t> pkcs_hash_id(std::string_view name) {
79 // Special case for SSL/TLS RSA signatures
80 if(name == "Parallel(MD5,SHA-1)") {
81 return std::vector<uint8_t>();
82 }
83
84 // If you add a value to this function, also update test_hash_id.cpp
85
86 if(name == "MD5") {
87 return std::vector<uint8_t>(MD5_PKCS_ID, MD5_PKCS_ID + sizeof(MD5_PKCS_ID));
88 }
89
90 if(name == "RIPEMD-160") {
91 return std::vector<uint8_t>(RIPEMD_160_PKCS_ID, RIPEMD_160_PKCS_ID + sizeof(RIPEMD_160_PKCS_ID));
92 }
93
94 if(name == "SHA-1") {
95 return std::vector<uint8_t>(SHA_1_PKCS_ID, SHA_1_PKCS_ID + sizeof(SHA_1_PKCS_ID));
96 }
97
98 if(name == "SHA-224") {
99 return std::vector<uint8_t>(SHA_224_PKCS_ID, SHA_224_PKCS_ID + sizeof(SHA_224_PKCS_ID));
100 }
101
102 if(name == "SHA-256") {
103 return std::vector<uint8_t>(SHA_256_PKCS_ID, SHA_256_PKCS_ID + sizeof(SHA_256_PKCS_ID));
104 }
105
106 if(name == "SHA-384") {
107 return std::vector<uint8_t>(SHA_384_PKCS_ID, SHA_384_PKCS_ID + sizeof(SHA_384_PKCS_ID));
108 }
109
110 if(name == "SHA-512") {
111 return std::vector<uint8_t>(SHA_512_PKCS_ID, SHA_512_PKCS_ID + sizeof(SHA_512_PKCS_ID));
112 }
113
114 if(name == "SHA-512-256") {
115 return std::vector<uint8_t>(SHA_512_256_PKCS_ID, SHA_512_256_PKCS_ID + sizeof(SHA_512_256_PKCS_ID));
116 }
117
118 if(name == "SHA-3(224)") {
119 return std::vector<uint8_t>(SHA3_224_PKCS_ID, SHA3_224_PKCS_ID + sizeof(SHA3_224_PKCS_ID));
120 }
121
122 if(name == "SHA-3(256)") {
123 return std::vector<uint8_t>(SHA3_256_PKCS_ID, SHA3_256_PKCS_ID + sizeof(SHA3_256_PKCS_ID));
124 }
125
126 if(name == "SHA-3(384)") {
127 return std::vector<uint8_t>(SHA3_384_PKCS_ID, SHA3_384_PKCS_ID + sizeof(SHA3_384_PKCS_ID));
128 }
129
130 if(name == "SHA-3(512)") {
131 return std::vector<uint8_t>(SHA3_512_PKCS_ID, SHA3_512_PKCS_ID + sizeof(SHA3_512_PKCS_ID));
132 }
133
134 if(name == "SM3") {
135 return std::vector<uint8_t>(SM3_PKCS_ID, SM3_PKCS_ID + sizeof(SM3_PKCS_ID));
136 }
137
138 throw Invalid_Argument("No PKCS #1 identifier for " + std::string(name));
139}
140
141/*
142* HashID as specified by IEEE 1363/X9.31
143*/
144uint8_t ieee1363_hash_id(std::string_view name) {
145 if(name == "SHA-1") {
146 return 0x33;
147 }
148
149 if(name == "SHA-224") {
150 return 0x38;
151 }
152 if(name == "SHA-256") {
153 return 0x34;
154 }
155 if(name == "SHA-384") {
156 return 0x36;
157 }
158 if(name == "SHA-512") {
159 return 0x35;
160 }
161
162 if(name == "RIPEMD-160") {
163 return 0x31;
164 }
165
166 if(name == "Whirlpool") {
167 return 0x37;
168 }
169
170 return 0;
171}
172
173} // namespace Botan
std::string name
uint8_t ieee1363_hash_id(std::string_view name)
Definition hash_id.cpp:144
std::vector< uint8_t > pkcs_hash_id(std::string_view name)
Definition hash_id.cpp:78