diff options
Diffstat (limited to 'src/hash/sha1')
-rw-r--r-- | src/hash/sha1/info.txt | 9 | ||||
-rw-r--r-- | src/hash/sha1/sha160.cpp | 93 | ||||
-rw-r--r-- | src/hash/sha1/sha160.h | 2 |
3 files changed, 53 insertions, 51 deletions
diff --git a/src/hash/sha1/info.txt b/src/hash/sha1/info.txt index a0ae30b4b..56403db21 100644 --- a/src/hash/sha1/info.txt +++ b/src/hash/sha1/info.txt @@ -1,14 +1,5 @@ -realname "SHA-1" - define SHA1 -load_on auto - -<add> -sha160.cpp -sha160.h -</add> - <requires> mdx_hash </requires> diff --git a/src/hash/sha1/sha160.cpp b/src/hash/sha1/sha160.cpp index 45323a11b..ff44593f6 100644 --- a/src/hash/sha1/sha160.cpp +++ b/src/hash/sha1/sha160.cpp @@ -61,60 +61,71 @@ void SHA_160::compress_n(const byte input[], u32bit blocks) for(u32bit i = 0; i != blocks; ++i) { - for(u32bit j = 0; j != 16; j += 4) - { - W[j ] = load_be<u32bit>(input, j); - W[j+1] = load_be<u32bit>(input, j+1); - W[j+2] = load_be<u32bit>(input, j+2); - W[j+3] = load_be<u32bit>(input, j+3); - } - input += HASH_BLOCK_SIZE; + load_be(W.begin(), input, 16); - for(u32bit j = 16; j != 80; j += 4) + for(u32bit j = 16; j != 80; j += 8) { W[j ] = rotate_left((W[j-3] ^ W[j-8] ^ W[j-14] ^ W[j-16]), 1); W[j+1] = rotate_left((W[j-2] ^ W[j-7] ^ W[j-13] ^ W[j-15]), 1); W[j+2] = rotate_left((W[j-1] ^ W[j-6] ^ W[j-12] ^ W[j-14]), 1); W[j+3] = rotate_left((W[j ] ^ W[j-5] ^ W[j-11] ^ W[j-13]), 1); + W[j+4] = rotate_left((W[j+1] ^ W[j-4] ^ W[j-10] ^ W[j-12]), 1); + W[j+5] = rotate_left((W[j+2] ^ W[j-3] ^ W[j- 9] ^ W[j-11]), 1); + W[j+6] = rotate_left((W[j+3] ^ W[j-2] ^ W[j- 8] ^ W[j-10]), 1); + W[j+7] = rotate_left((W[j+4] ^ W[j-1] ^ W[j- 7] ^ W[j- 9]), 1); } - F1(A,B,C,D,E,W[ 0]); F1(E,A,B,C,D,W[ 1]); F1(D,E,A,B,C,W[ 2]); - F1(C,D,E,A,B,W[ 3]); F1(B,C,D,E,A,W[ 4]); F1(A,B,C,D,E,W[ 5]); - F1(E,A,B,C,D,W[ 6]); F1(D,E,A,B,C,W[ 7]); F1(C,D,E,A,B,W[ 8]); - F1(B,C,D,E,A,W[ 9]); F1(A,B,C,D,E,W[10]); F1(E,A,B,C,D,W[11]); - F1(D,E,A,B,C,W[12]); F1(C,D,E,A,B,W[13]); F1(B,C,D,E,A,W[14]); - F1(A,B,C,D,E,W[15]); F1(E,A,B,C,D,W[16]); F1(D,E,A,B,C,W[17]); - F1(C,D,E,A,B,W[18]); F1(B,C,D,E,A,W[19]); - - F2(A,B,C,D,E,W[20]); F2(E,A,B,C,D,W[21]); F2(D,E,A,B,C,W[22]); - F2(C,D,E,A,B,W[23]); F2(B,C,D,E,A,W[24]); F2(A,B,C,D,E,W[25]); - F2(E,A,B,C,D,W[26]); F2(D,E,A,B,C,W[27]); F2(C,D,E,A,B,W[28]); - F2(B,C,D,E,A,W[29]); F2(A,B,C,D,E,W[30]); F2(E,A,B,C,D,W[31]); - F2(D,E,A,B,C,W[32]); F2(C,D,E,A,B,W[33]); F2(B,C,D,E,A,W[34]); - F2(A,B,C,D,E,W[35]); F2(E,A,B,C,D,W[36]); F2(D,E,A,B,C,W[37]); - F2(C,D,E,A,B,W[38]); F2(B,C,D,E,A,W[39]); - - F3(A,B,C,D,E,W[40]); F3(E,A,B,C,D,W[41]); F3(D,E,A,B,C,W[42]); - F3(C,D,E,A,B,W[43]); F3(B,C,D,E,A,W[44]); F3(A,B,C,D,E,W[45]); - F3(E,A,B,C,D,W[46]); F3(D,E,A,B,C,W[47]); F3(C,D,E,A,B,W[48]); - F3(B,C,D,E,A,W[49]); F3(A,B,C,D,E,W[50]); F3(E,A,B,C,D,W[51]); - F3(D,E,A,B,C,W[52]); F3(C,D,E,A,B,W[53]); F3(B,C,D,E,A,W[54]); - F3(A,B,C,D,E,W[55]); F3(E,A,B,C,D,W[56]); F3(D,E,A,B,C,W[57]); - F3(C,D,E,A,B,W[58]); F3(B,C,D,E,A,W[59]); - - F4(A,B,C,D,E,W[60]); F4(E,A,B,C,D,W[61]); F4(D,E,A,B,C,W[62]); - F4(C,D,E,A,B,W[63]); F4(B,C,D,E,A,W[64]); F4(A,B,C,D,E,W[65]); - F4(E,A,B,C,D,W[66]); F4(D,E,A,B,C,W[67]); F4(C,D,E,A,B,W[68]); - F4(B,C,D,E,A,W[69]); F4(A,B,C,D,E,W[70]); F4(E,A,B,C,D,W[71]); - F4(D,E,A,B,C,W[72]); F4(C,D,E,A,B,W[73]); F4(B,C,D,E,A,W[74]); - F4(A,B,C,D,E,W[75]); F4(E,A,B,C,D,W[76]); F4(D,E,A,B,C,W[77]); - F4(C,D,E,A,B,W[78]); F4(B,C,D,E,A,W[79]); + F1(A, B, C, D, E, W[ 0]); F1(E, A, B, C, D, W[ 1]); + F1(D, E, A, B, C, W[ 2]); F1(C, D, E, A, B, W[ 3]); + F1(B, C, D, E, A, W[ 4]); F1(A, B, C, D, E, W[ 5]); + F1(E, A, B, C, D, W[ 6]); F1(D, E, A, B, C, W[ 7]); + F1(C, D, E, A, B, W[ 8]); F1(B, C, D, E, A, W[ 9]); + F1(A, B, C, D, E, W[10]); F1(E, A, B, C, D, W[11]); + F1(D, E, A, B, C, W[12]); F1(C, D, E, A, B, W[13]); + F1(B, C, D, E, A, W[14]); F1(A, B, C, D, E, W[15]); + F1(E, A, B, C, D, W[16]); F1(D, E, A, B, C, W[17]); + F1(C, D, E, A, B, W[18]); F1(B, C, D, E, A, W[19]); + + F2(A, B, C, D, E, W[20]); F2(E, A, B, C, D, W[21]); + F2(D, E, A, B, C, W[22]); F2(C, D, E, A, B, W[23]); + F2(B, C, D, E, A, W[24]); F2(A, B, C, D, E, W[25]); + F2(E, A, B, C, D, W[26]); F2(D, E, A, B, C, W[27]); + F2(C, D, E, A, B, W[28]); F2(B, C, D, E, A, W[29]); + F2(A, B, C, D, E, W[30]); F2(E, A, B, C, D, W[31]); + F2(D, E, A, B, C, W[32]); F2(C, D, E, A, B, W[33]); + F2(B, C, D, E, A, W[34]); F2(A, B, C, D, E, W[35]); + F2(E, A, B, C, D, W[36]); F2(D, E, A, B, C, W[37]); + F2(C, D, E, A, B, W[38]); F2(B, C, D, E, A, W[39]); + + F3(A, B, C, D, E, W[40]); F3(E, A, B, C, D, W[41]); + F3(D, E, A, B, C, W[42]); F3(C, D, E, A, B, W[43]); + F3(B, C, D, E, A, W[44]); F3(A, B, C, D, E, W[45]); + F3(E, A, B, C, D, W[46]); F3(D, E, A, B, C, W[47]); + F3(C, D, E, A, B, W[48]); F3(B, C, D, E, A, W[49]); + F3(A, B, C, D, E, W[50]); F3(E, A, B, C, D, W[51]); + F3(D, E, A, B, C, W[52]); F3(C, D, E, A, B, W[53]); + F3(B, C, D, E, A, W[54]); F3(A, B, C, D, E, W[55]); + F3(E, A, B, C, D, W[56]); F3(D, E, A, B, C, W[57]); + F3(C, D, E, A, B, W[58]); F3(B, C, D, E, A, W[59]); + + F4(A, B, C, D, E, W[60]); F4(E, A, B, C, D, W[61]); + F4(D, E, A, B, C, W[62]); F4(C, D, E, A, B, W[63]); + F4(B, C, D, E, A, W[64]); F4(A, B, C, D, E, W[65]); + F4(E, A, B, C, D, W[66]); F4(D, E, A, B, C, W[67]); + F4(C, D, E, A, B, W[68]); F4(B, C, D, E, A, W[69]); + F4(A, B, C, D, E, W[70]); F4(E, A, B, C, D, W[71]); + F4(D, E, A, B, C, W[72]); F4(C, D, E, A, B, W[73]); + F4(B, C, D, E, A, W[74]); F4(A, B, C, D, E, W[75]); + F4(E, A, B, C, D, W[76]); F4(D, E, A, B, C, W[77]); + F4(C, D, E, A, B, W[78]); F4(B, C, D, E, A, W[79]); A = (digest[0] += A); B = (digest[1] += B); C = (digest[2] += C); D = (digest[3] += D); E = (digest[4] += E); + + input += HASH_BLOCK_SIZE; } } @@ -130,7 +141,7 @@ void SHA_160::copy_out(byte output[]) /* * Clear memory of sensitive data */ -void SHA_160::clear() throw() +void SHA_160::clear() { MDx_HashFunction::clear(); W.clear(); diff --git a/src/hash/sha1/sha160.h b/src/hash/sha1/sha160.h index 232cf0322..142c6bf17 100644 --- a/src/hash/sha1/sha160.h +++ b/src/hash/sha1/sha160.h @@ -18,7 +18,7 @@ namespace Botan { class BOTAN_DLL SHA_160 : public MDx_HashFunction { public: - void clear() throw(); + void clear(); std::string name() const { return "SHA-160"; } HashFunction* clone() const { return new SHA_160; } SHA_160(); 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