diff options
Diffstat (limited to 'src/lib/block/cast/cast256.cpp')
| -rw-r--r-- | src/lib/block/cast/cast256.cpp | 120 |
1 files changed, 60 insertions, 60 deletions
diff --git a/src/lib/block/cast/cast256.cpp b/src/lib/block/cast/cast256.cpp index 7178dc5c1..637fdfee2 100644 --- a/src/lib/block/cast/cast256.cpp +++ b/src/lib/block/cast/cast256.cpp @@ -57,30 +57,30 @@ void CAST_256::encrypt_n(const byte in[], byte out[], size_t blocks) const u32bit C = load_be<u32bit>(in, 2); u32bit D = load_be<u32bit>(in, 3); - round1(C, D, MK[ 0], RK[ 0]); round2(B, C, MK[ 1], RK[ 1]); - round3(A, B, MK[ 2], RK[ 2]); round1(D, A, MK[ 3], RK[ 3]); - round1(C, D, MK[ 4], RK[ 4]); round2(B, C, MK[ 5], RK[ 5]); - round3(A, B, MK[ 6], RK[ 6]); round1(D, A, MK[ 7], RK[ 7]); - round1(C, D, MK[ 8], RK[ 8]); round2(B, C, MK[ 9], RK[ 9]); - round3(A, B, MK[10], RK[10]); round1(D, A, MK[11], RK[11]); - round1(C, D, MK[12], RK[12]); round2(B, C, MK[13], RK[13]); - round3(A, B, MK[14], RK[14]); round1(D, A, MK[15], RK[15]); - round1(C, D, MK[16], RK[16]); round2(B, C, MK[17], RK[17]); - round3(A, B, MK[18], RK[18]); round1(D, A, MK[19], RK[19]); - round1(C, D, MK[20], RK[20]); round2(B, C, MK[21], RK[21]); - round3(A, B, MK[22], RK[22]); round1(D, A, MK[23], RK[23]); - round1(D, A, MK[27], RK[27]); round3(A, B, MK[26], RK[26]); - round2(B, C, MK[25], RK[25]); round1(C, D, MK[24], RK[24]); - round1(D, A, MK[31], RK[31]); round3(A, B, MK[30], RK[30]); - round2(B, C, MK[29], RK[29]); round1(C, D, MK[28], RK[28]); - round1(D, A, MK[35], RK[35]); round3(A, B, MK[34], RK[34]); - round2(B, C, MK[33], RK[33]); round1(C, D, MK[32], RK[32]); - round1(D, A, MK[39], RK[39]); round3(A, B, MK[38], RK[38]); - round2(B, C, MK[37], RK[37]); round1(C, D, MK[36], RK[36]); - round1(D, A, MK[43], RK[43]); round3(A, B, MK[42], RK[42]); - round2(B, C, MK[41], RK[41]); round1(C, D, MK[40], RK[40]); - round1(D, A, MK[47], RK[47]); round3(A, B, MK[46], RK[46]); - round2(B, C, MK[45], RK[45]); round1(C, D, MK[44], RK[44]); + round1(C, D, m_MK[ 0], m_RK[ 0]); round2(B, C, m_MK[ 1], m_RK[ 1]); + round3(A, B, m_MK[ 2], m_RK[ 2]); round1(D, A, m_MK[ 3], m_RK[ 3]); + round1(C, D, m_MK[ 4], m_RK[ 4]); round2(B, C, m_MK[ 5], m_RK[ 5]); + round3(A, B, m_MK[ 6], m_RK[ 6]); round1(D, A, m_MK[ 7], m_RK[ 7]); + round1(C, D, m_MK[ 8], m_RK[ 8]); round2(B, C, m_MK[ 9], m_RK[ 9]); + round3(A, B, m_MK[10], m_RK[10]); round1(D, A, m_MK[11], m_RK[11]); + round1(C, D, m_MK[12], m_RK[12]); round2(B, C, m_MK[13], m_RK[13]); + round3(A, B, m_MK[14], m_RK[14]); round1(D, A, m_MK[15], m_RK[15]); + round1(C, D, m_MK[16], m_RK[16]); round2(B, C, m_MK[17], m_RK[17]); + round3(A, B, m_MK[18], m_RK[18]); round1(D, A, m_MK[19], m_RK[19]); + round1(C, D, m_MK[20], m_RK[20]); round2(B, C, m_MK[21], m_RK[21]); + round3(A, B, m_MK[22], m_RK[22]); round1(D, A, m_MK[23], m_RK[23]); + round1(D, A, m_MK[27], m_RK[27]); round3(A, B, m_MK[26], m_RK[26]); + round2(B, C, m_MK[25], m_RK[25]); round1(C, D, m_MK[24], m_RK[24]); + round1(D, A, m_MK[31], m_RK[31]); round3(A, B, m_MK[30], m_RK[30]); + round2(B, C, m_MK[29], m_RK[29]); round1(C, D, m_MK[28], m_RK[28]); + round1(D, A, m_MK[35], m_RK[35]); round3(A, B, m_MK[34], m_RK[34]); + round2(B, C, m_MK[33], m_RK[33]); round1(C, D, m_MK[32], m_RK[32]); + round1(D, A, m_MK[39], m_RK[39]); round3(A, B, m_MK[38], m_RK[38]); + round2(B, C, m_MK[37], m_RK[37]); round1(C, D, m_MK[36], m_RK[36]); + round1(D, A, m_MK[43], m_RK[43]); round3(A, B, m_MK[42], m_RK[42]); + round2(B, C, m_MK[41], m_RK[41]); round1(C, D, m_MK[40], m_RK[40]); + round1(D, A, m_MK[47], m_RK[47]); round3(A, B, m_MK[46], m_RK[46]); + round2(B, C, m_MK[45], m_RK[45]); round1(C, D, m_MK[44], m_RK[44]); store_be(out, A, B, C, D); @@ -101,30 +101,30 @@ void CAST_256::decrypt_n(const byte in[], byte out[], size_t blocks) const u32bit C = load_be<u32bit>(in, 2); u32bit D = load_be<u32bit>(in, 3); - round1(C, D, MK[44], RK[44]); round2(B, C, MK[45], RK[45]); - round3(A, B, MK[46], RK[46]); round1(D, A, MK[47], RK[47]); - round1(C, D, MK[40], RK[40]); round2(B, C, MK[41], RK[41]); - round3(A, B, MK[42], RK[42]); round1(D, A, MK[43], RK[43]); - round1(C, D, MK[36], RK[36]); round2(B, C, MK[37], RK[37]); - round3(A, B, MK[38], RK[38]); round1(D, A, MK[39], RK[39]); - round1(C, D, MK[32], RK[32]); round2(B, C, MK[33], RK[33]); - round3(A, B, MK[34], RK[34]); round1(D, A, MK[35], RK[35]); - round1(C, D, MK[28], RK[28]); round2(B, C, MK[29], RK[29]); - round3(A, B, MK[30], RK[30]); round1(D, A, MK[31], RK[31]); - round1(C, D, MK[24], RK[24]); round2(B, C, MK[25], RK[25]); - round3(A, B, MK[26], RK[26]); round1(D, A, MK[27], RK[27]); - round1(D, A, MK[23], RK[23]); round3(A, B, MK[22], RK[22]); - round2(B, C, MK[21], RK[21]); round1(C, D, MK[20], RK[20]); - round1(D, A, MK[19], RK[19]); round3(A, B, MK[18], RK[18]); - round2(B, C, MK[17], RK[17]); round1(C, D, MK[16], RK[16]); - round1(D, A, MK[15], RK[15]); round3(A, B, MK[14], RK[14]); - round2(B, C, MK[13], RK[13]); round1(C, D, MK[12], RK[12]); - round1(D, A, MK[11], RK[11]); round3(A, B, MK[10], RK[10]); - round2(B, C, MK[ 9], RK[ 9]); round1(C, D, MK[ 8], RK[ 8]); - round1(D, A, MK[ 7], RK[ 7]); round3(A, B, MK[ 6], RK[ 6]); - round2(B, C, MK[ 5], RK[ 5]); round1(C, D, MK[ 4], RK[ 4]); - round1(D, A, MK[ 3], RK[ 3]); round3(A, B, MK[ 2], RK[ 2]); - round2(B, C, MK[ 1], RK[ 1]); round1(C, D, MK[ 0], RK[ 0]); + round1(C, D, m_MK[44], m_RK[44]); round2(B, C, m_MK[45], m_RK[45]); + round3(A, B, m_MK[46], m_RK[46]); round1(D, A, m_MK[47], m_RK[47]); + round1(C, D, m_MK[40], m_RK[40]); round2(B, C, m_MK[41], m_RK[41]); + round3(A, B, m_MK[42], m_RK[42]); round1(D, A, m_MK[43], m_RK[43]); + round1(C, D, m_MK[36], m_RK[36]); round2(B, C, m_MK[37], m_RK[37]); + round3(A, B, m_MK[38], m_RK[38]); round1(D, A, m_MK[39], m_RK[39]); + round1(C, D, m_MK[32], m_RK[32]); round2(B, C, m_MK[33], m_RK[33]); + round3(A, B, m_MK[34], m_RK[34]); round1(D, A, m_MK[35], m_RK[35]); + round1(C, D, m_MK[28], m_RK[28]); round2(B, C, m_MK[29], m_RK[29]); + round3(A, B, m_MK[30], m_RK[30]); round1(D, A, m_MK[31], m_RK[31]); + round1(C, D, m_MK[24], m_RK[24]); round2(B, C, m_MK[25], m_RK[25]); + round3(A, B, m_MK[26], m_RK[26]); round1(D, A, m_MK[27], m_RK[27]); + round1(D, A, m_MK[23], m_RK[23]); round3(A, B, m_MK[22], m_RK[22]); + round2(B, C, m_MK[21], m_RK[21]); round1(C, D, m_MK[20], m_RK[20]); + round1(D, A, m_MK[19], m_RK[19]); round3(A, B, m_MK[18], m_RK[18]); + round2(B, C, m_MK[17], m_RK[17]); round1(C, D, m_MK[16], m_RK[16]); + round1(D, A, m_MK[15], m_RK[15]); round3(A, B, m_MK[14], m_RK[14]); + round2(B, C, m_MK[13], m_RK[13]); round1(C, D, m_MK[12], m_RK[12]); + round1(D, A, m_MK[11], m_RK[11]); round3(A, B, m_MK[10], m_RK[10]); + round2(B, C, m_MK[ 9], m_RK[ 9]); round1(C, D, m_MK[ 8], m_RK[ 8]); + round1(D, A, m_MK[ 7], m_RK[ 7]); round3(A, B, m_MK[ 6], m_RK[ 6]); + round2(B, C, m_MK[ 5], m_RK[ 5]); round1(C, D, m_MK[ 4], m_RK[ 4]); + round1(D, A, m_MK[ 3], m_RK[ 3]); round3(A, B, m_MK[ 2], m_RK[ 2]); + round2(B, C, m_MK[ 1], m_RK[ 1]); round1(C, D, m_MK[ 0], m_RK[ 0]); store_be(out, A, B, C, D); @@ -178,8 +178,8 @@ void CAST_256::key_schedule(const byte key[], size_t length) 0x07, 0x18, 0x09, 0x1A, 0x0B, 0x1C, 0x0D, 0x1E, 0x0F, 0x00, 0x11, 0x02 }; - MK.resize(48); - RK.resize(48); + m_MK.resize(48); + m_RK.resize(48); secure_vector<u32bit> K(8); for(size_t i = 0; i != length; ++i) @@ -207,21 +207,21 @@ void CAST_256::key_schedule(const byte key[], size_t length) round1(A, B, KEY_MASK[4*i+14], KEY_ROT[(4*i+14) % 32]); round2(H, A, KEY_MASK[4*i+15], KEY_ROT[(4*i+15) % 32]); - RK[i ] = (A % 32); - RK[i+1] = (C % 32); - RK[i+2] = (E % 32); - RK[i+3] = (G % 32); - MK[i ] = H; - MK[i+1] = F; - MK[i+2] = D; - MK[i+3] = B; + m_RK[i ] = (A % 32); + m_RK[i+1] = (C % 32); + m_RK[i+2] = (E % 32); + m_RK[i+3] = (G % 32); + m_MK[i ] = H; + m_MK[i+1] = F; + m_MK[i+2] = D; + m_MK[i+3] = B; } } void CAST_256::clear() { - zap(MK); - zap(RK); + zap(m_MK); + zap(m_RK); } } |