blob: 933072da63fce8c9608f1ffa0f85be3c237ecae1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* XMSS Parameters
* Descibes a signature method for XMSS, as defined in:
* [1] XMSS: Extended Hash-Based Signatures,
* Request for Comments: 8391
* Release: May 2018.
* https://datatracker.ietf.org/doc/rfc8391/
*
* (C) 2016,2017,2018 Matthias Gierlings
*
* Botan is released under the Simplified BSD License (see license.txt)
**/
#include <botan/xmss_parameters.h>
#include <botan/exceptn.h>
namespace Botan {
XMSS_Parameters::xmss_algorithm_t XMSS_Parameters::xmss_id_from_string(const std::string& param_set)
{
if(param_set == "XMSS-SHA2_10_256")
{ return XMSS_SHA2_10_256; }
if(param_set == "XMSS-SHA2_16_256")
{ return XMSS_SHA2_16_256; }
if(param_set == "XMSS-SHA2_20_256")
{ return XMSS_SHA2_20_256; }
if(param_set == "XMSS-SHA2_10_512")
{ return XMSS_SHA2_10_512; }
if(param_set == "XMSS-SHA2_16_512")
{ return XMSS_SHA2_16_512; }
if(param_set == "XMSS-SHA2_20_512")
{ return XMSS_SHA2_20_512; }
if(param_set == "XMSS-SHAKE_10_256")
{ return XMSS_SHAKE_10_256; }
if(param_set == "XMSS-SHAKE_10_256")
{ return XMSS_SHAKE_16_256; }
if(param_set == "XMSS-SHAKE_20_256")
{ return XMSS_SHAKE_20_256; }
if(param_set == "XMSS-SHAKE_10_512")
{ return XMSS_SHAKE_10_512; }
if(param_set == "XMSS-SHAKE_16_512")
{ return XMSS_SHAKE_16_512; }
if(param_set == "XMSS-SHAKE_20_512")
{ return XMSS_SHAKE_20_512; }
throw Lookup_Error("Unknown XMSS algorithm param '" + param_set + "'");
}
XMSS_Parameters::XMSS_Parameters(const std::string& param_set)
: XMSS_Parameters(XMSS_Parameters::xmss_id_from_string(param_set))
{
}
XMSS_Parameters::XMSS_Parameters(xmss_algorithm_t oid)
: m_oid(oid)
{
switch(oid)
{
case XMSS_SHA2_10_256:
m_element_size = 32;
m_w = 16;
m_len = 67;
m_tree_height = 10;
m_name = "XMSS-SHA2_10_256";
m_hash_name = "SHA-256";
m_strength = 256;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHA2_256;
break;
case XMSS_SHA2_16_256:
m_element_size = 32;
m_w = 16;
m_len = 67;
m_tree_height = 16;
m_name = "XMSS-SHA2_16_256";
m_hash_name = "SHA-256";
m_strength = 256;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHA2_256;
break;
case XMSS_SHA2_20_256:
m_element_size = 32;
m_w = 16;
m_len = 67;
m_tree_height = 20;
m_name = "XMSS-SHA2_20_256";
m_hash_name = "SHA-256";
m_strength = 256;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHA2_256;
break;
case XMSS_SHA2_10_512:
m_element_size = 64;
m_w = 16;
m_len = 131;
m_tree_height = 10;
m_name = "XMSS-SHA2_10_512";
m_hash_name = "SHA-512";
m_strength = 512;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHA2_512;
break;
case XMSS_SHA2_16_512:
m_element_size = 64;
m_w = 16;
m_len = 131;
m_tree_height = 16;
m_name = "XMSS-SHA2_16_512";
m_hash_name = "SHA-512";
m_strength = 512;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHA2_512;
break;
case XMSS_SHA2_20_512:
m_element_size = 64;
m_w = 16;
m_len = 131;
m_tree_height = 20;
m_name = "XMSS-SHA2_20_512";
m_hash_name = "SHA-512";
m_strength = 512;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHA2_512;
break;
case XMSS_SHAKE_10_256:
m_element_size = 32;
m_w = 16;
m_len = 67;
m_tree_height = 10;
m_name = "XMSS-SHAKE_10_256";
m_hash_name = "SHAKE-128(256)";
m_strength = 256;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHAKE_256;
break;
case XMSS_SHAKE_16_256:
m_element_size = 32;
m_w = 16;
m_len = 67;
m_tree_height = 16;
m_name = "XMSS-SHAKE_16_256";
m_hash_name = "SHAKE-128(256)";
m_strength = 256;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHAKE_256;
break;
case XMSS_SHAKE_20_256:
m_element_size = 32;
m_w = 16;
m_len = 67;
m_tree_height = 20;
m_name = "XMSS-SHAKE_20_256";
m_hash_name = "SHAKE-128(256)";
m_strength = 256;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHAKE_256;
break;
case XMSS_SHAKE_10_512:
m_element_size = 64;
m_w = 16;
m_len = 131;
m_tree_height = 10;
m_name = "XMSS-SHAKE_10_512";
m_hash_name = "SHAKE-256(512)";
m_strength = 512;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHAKE_512;
break;
case XMSS_SHAKE_16_512:
m_element_size = 64;
m_w = 16;
m_len = 131;
m_tree_height = 16;
m_name = "XMSS-SHAKE_16_512";
m_hash_name = "SHAKE-256(512)";
m_strength = 512;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHAKE_512;
break;
case XMSS_SHAKE_20_512:
m_element_size = 64;
m_w = 16;
m_len = 131;
m_tree_height = 20;
m_name = "XMSS-SHAKE_20_512";
m_hash_name = "SHAKE-256(512)";
m_strength = 512;
m_wots_oid = XMSS_WOTS_Parameters::ots_algorithm_t::WOTSP_SHAKE_512;
break;
default:
throw Not_Implemented("Algorithm id does not match any known XMSS algorithm id.");
break;
}
}
}
|
