diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/pubkey/xmss/xmss_parameters.cpp')
| -rw-r--r-- | comm/third_party/botan/src/lib/pubkey/xmss/xmss_parameters.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/pubkey/xmss/xmss_parameters.cpp b/comm/third_party/botan/src/lib/pubkey/xmss/xmss_parameters.cpp new file mode 100644 index 0000000000..55084c8b92 --- /dev/null +++ b/comm/third_party/botan/src/lib/pubkey/xmss/xmss_parameters.cpp @@ -0,0 +1,184 @@ +/* + * 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_16_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:" + std::to_string(oid)); + break; + } + } + +} |