diff options
author | lloyd <[email protected]> | 2014-01-10 03:41:59 +0000 |
---|---|---|
committer | lloyd <[email protected]> | 2014-01-10 03:41:59 +0000 |
commit | 6894dca64c04936d07048c0e8cbf7e25858548c3 (patch) | |
tree | 5d572bfde9fe667dab14e3f04b5285a85d8acd95 /src/lib/hash/has160 | |
parent | 9efa3be92442afb3d0b69890a36c7f122df18eda (diff) |
Move lib into src
Diffstat (limited to 'src/lib/hash/has160')
-rw-r--r-- | src/lib/hash/has160/has160.cpp | 165 | ||||
-rw-r--r-- | src/lib/hash/has160/has160.h | 39 | ||||
-rw-r--r-- | src/lib/hash/has160/info.txt | 5 |
3 files changed, 209 insertions, 0 deletions
diff --git a/src/lib/hash/has160/has160.cpp b/src/lib/hash/has160/has160.cpp new file mode 100644 index 000000000..6890ccb85 --- /dev/null +++ b/src/lib/hash/has160/has160.cpp @@ -0,0 +1,165 @@ +/* +* HAS-160 +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#include <botan/has160.h> +#include <botan/loadstor.h> +#include <botan/rotate.h> + +namespace Botan { + +namespace HAS_160_F { + +/* +* HAS-160 F1 Function +*/ +inline void F1(u32bit A, u32bit& B, u32bit C, u32bit D, u32bit& E, + u32bit msg, u32bit rot) + { + E += rotate_left(A, rot) + (D ^ (B & (C ^ D))) + msg; + B = rotate_left(B, 10); + } + +/* +* HAS-160 F2 Function +*/ +inline void F2(u32bit A, u32bit& B, u32bit C, u32bit D, u32bit& E, + u32bit msg, u32bit rot) + { + E += rotate_left(A, rot) + (B ^ C ^ D) + msg + 0x5A827999; + B = rotate_left(B, 17); + } + +/* +* HAS-160 F3 Function +*/ +inline void F3(u32bit A, u32bit& B, u32bit C, u32bit D, u32bit& E, + u32bit msg, u32bit rot) + { + E += rotate_left(A, rot) + (C ^ (B | ~D)) + msg + 0x6ED9EBA1; + B = rotate_left(B, 25); + } + +/* +* HAS-160 F4 Function +*/ +inline void F4(u32bit A, u32bit& B, u32bit C, u32bit D, u32bit& E, + u32bit msg, u32bit rot) + { + E += rotate_left(A, rot) + (B ^ C ^ D) + msg + 0x8F1BBCDC; + B = rotate_left(B, 30); + } + +} + +/* +* HAS-160 Compression Function +*/ +void HAS_160::compress_n(const byte input[], size_t blocks) + { + using namespace HAS_160_F; + + u32bit A = digest[0], B = digest[1], C = digest[2], + D = digest[3], E = digest[4]; + + for(size_t i = 0; i != blocks; ++i) + { + load_le(&X[0], input, 16); + + X[16] = X[ 0] ^ X[ 1] ^ X[ 2] ^ X[ 3]; + X[17] = X[ 4] ^ X[ 5] ^ X[ 6] ^ X[ 7]; + X[18] = X[ 8] ^ X[ 9] ^ X[10] ^ X[11]; + X[19] = X[12] ^ X[13] ^ X[14] ^ X[15]; + F1(A,B,C,D,E,X[18], 5); F1(E,A,B,C,D,X[ 0],11); + F1(D,E,A,B,C,X[ 1], 7); F1(C,D,E,A,B,X[ 2],15); + F1(B,C,D,E,A,X[ 3], 6); F1(A,B,C,D,E,X[19],13); + F1(E,A,B,C,D,X[ 4], 8); F1(D,E,A,B,C,X[ 5],14); + F1(C,D,E,A,B,X[ 6], 7); F1(B,C,D,E,A,X[ 7],12); + F1(A,B,C,D,E,X[16], 9); F1(E,A,B,C,D,X[ 8],11); + F1(D,E,A,B,C,X[ 9], 8); F1(C,D,E,A,B,X[10],15); + F1(B,C,D,E,A,X[11], 6); F1(A,B,C,D,E,X[17],12); + F1(E,A,B,C,D,X[12], 9); F1(D,E,A,B,C,X[13],14); + F1(C,D,E,A,B,X[14], 5); F1(B,C,D,E,A,X[15],13); + + X[16] = X[ 3] ^ X[ 6] ^ X[ 9] ^ X[12]; + X[17] = X[ 2] ^ X[ 5] ^ X[ 8] ^ X[15]; + X[18] = X[ 1] ^ X[ 4] ^ X[11] ^ X[14]; + X[19] = X[ 0] ^ X[ 7] ^ X[10] ^ X[13]; + F2(A,B,C,D,E,X[18], 5); F2(E,A,B,C,D,X[ 3],11); + F2(D,E,A,B,C,X[ 6], 7); F2(C,D,E,A,B,X[ 9],15); + F2(B,C,D,E,A,X[12], 6); F2(A,B,C,D,E,X[19],13); + F2(E,A,B,C,D,X[15], 8); F2(D,E,A,B,C,X[ 2],14); + F2(C,D,E,A,B,X[ 5], 7); F2(B,C,D,E,A,X[ 8],12); + F2(A,B,C,D,E,X[16], 9); F2(E,A,B,C,D,X[11],11); + F2(D,E,A,B,C,X[14], 8); F2(C,D,E,A,B,X[ 1],15); + F2(B,C,D,E,A,X[ 4], 6); F2(A,B,C,D,E,X[17],12); + F2(E,A,B,C,D,X[ 7], 9); F2(D,E,A,B,C,X[10],14); + F2(C,D,E,A,B,X[13], 5); F2(B,C,D,E,A,X[ 0],13); + + X[16] = X[ 5] ^ X[ 7] ^ X[12] ^ X[14]; + X[17] = X[ 0] ^ X[ 2] ^ X[ 9] ^ X[11]; + X[18] = X[ 4] ^ X[ 6] ^ X[13] ^ X[15]; + X[19] = X[ 1] ^ X[ 3] ^ X[ 8] ^ X[10]; + F3(A,B,C,D,E,X[18], 5); F3(E,A,B,C,D,X[12],11); + F3(D,E,A,B,C,X[ 5], 7); F3(C,D,E,A,B,X[14],15); + F3(B,C,D,E,A,X[ 7], 6); F3(A,B,C,D,E,X[19],13); + F3(E,A,B,C,D,X[ 0], 8); F3(D,E,A,B,C,X[ 9],14); + F3(C,D,E,A,B,X[ 2], 7); F3(B,C,D,E,A,X[11],12); + F3(A,B,C,D,E,X[16], 9); F3(E,A,B,C,D,X[ 4],11); + F3(D,E,A,B,C,X[13], 8); F3(C,D,E,A,B,X[ 6],15); + F3(B,C,D,E,A,X[15], 6); F3(A,B,C,D,E,X[17],12); + F3(E,A,B,C,D,X[ 8], 9); F3(D,E,A,B,C,X[ 1],14); + F3(C,D,E,A,B,X[10], 5); F3(B,C,D,E,A,X[ 3],13); + + X[16] = X[ 2] ^ X[ 7] ^ X[ 8] ^ X[13]; + X[17] = X[ 3] ^ X[ 4] ^ X[ 9] ^ X[14]; + X[18] = X[ 0] ^ X[ 5] ^ X[10] ^ X[15]; + X[19] = X[ 1] ^ X[ 6] ^ X[11] ^ X[12]; + F4(A,B,C,D,E,X[18], 5); F4(E,A,B,C,D,X[ 7],11); + F4(D,E,A,B,C,X[ 2], 7); F4(C,D,E,A,B,X[13],15); + F4(B,C,D,E,A,X[ 8], 6); F4(A,B,C,D,E,X[19],13); + F4(E,A,B,C,D,X[ 3], 8); F4(D,E,A,B,C,X[14],14); + F4(C,D,E,A,B,X[ 9], 7); F4(B,C,D,E,A,X[ 4],12); + F4(A,B,C,D,E,X[16], 9); F4(E,A,B,C,D,X[15],11); + F4(D,E,A,B,C,X[10], 8); F4(C,D,E,A,B,X[ 5],15); + F4(B,C,D,E,A,X[ 0], 6); F4(A,B,C,D,E,X[17],12); + F4(E,A,B,C,D,X[11], 9); F4(D,E,A,B,C,X[ 6],14); + F4(C,D,E,A,B,X[ 1], 5); F4(B,C,D,E,A,X[12],13); + + A = (digest[0] += A); + B = (digest[1] += B); + C = (digest[2] += C); + D = (digest[3] += D); + E = (digest[4] += E); + + input += hash_block_size(); + } + } + +/* +* Copy out the digest +*/ +void HAS_160::copy_out(byte output[]) + { + for(size_t i = 0; i != output_length(); i += 4) + store_le(digest[i/4], output + i); + } + +/* +* Clear memory of sensitive data +*/ +void HAS_160::clear() + { + MDx_HashFunction::clear(); + zeroise(X); + digest[0] = 0x67452301; + digest[1] = 0xEFCDAB89; + digest[2] = 0x98BADCFE; + digest[3] = 0x10325476; + digest[4] = 0xC3D2E1F0; + } + +} diff --git a/src/lib/hash/has160/has160.h b/src/lib/hash/has160/has160.h new file mode 100644 index 000000000..9947d9580 --- /dev/null +++ b/src/lib/hash/has160/has160.h @@ -0,0 +1,39 @@ +/* +* HAS-160 +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_HAS_160_H__ +#define BOTAN_HAS_160_H__ + +#include <botan/mdx_hash.h> + +namespace Botan { + +/** +* HAS-160, a Korean hash function standardized in +* TTAS.KO-12.0011/R1. Used in conjuction with KCDSA +*/ +class BOTAN_DLL HAS_160 : public MDx_HashFunction + { + public: + std::string name() const { return "HAS-160"; } + size_t output_length() const { return 20; } + HashFunction* clone() const { return new HAS_160; } + + void clear(); + + HAS_160() : MDx_HashFunction(64, false, true), X(20), digest(5) + { clear(); } + private: + void compress_n(const byte[], size_t blocks); + void copy_out(byte[]); + + secure_vector<u32bit> X, digest; + }; + +} + +#endif diff --git a/src/lib/hash/has160/info.txt b/src/lib/hash/has160/info.txt new file mode 100644 index 000000000..cf403dad5 --- /dev/null +++ b/src/lib/hash/has160/info.txt @@ -0,0 +1,5 @@ +define HAS_160 20131128 + +<requires> +mdx_hash +</requires> |