diff options
Diffstat (limited to 'src/lib/block/cast/cast256.cpp')
| -rw-r--r-- | src/lib/block/cast/cast256.cpp | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/src/lib/block/cast/cast256.cpp b/src/lib/block/cast/cast256.cpp index 637fdfee2..a4a7dbd36 100644 --- a/src/lib/block/cast/cast256.cpp +++ b/src/lib/block/cast/cast256.cpp @@ -16,9 +16,9 @@ namespace { /* * CAST-256 Round Type 1 */ -void round1(u32bit& out, u32bit in, u32bit mask, u32bit rot) +void round1(uint32_t& out, uint32_t in, uint32_t mask, uint32_t rot) { - u32bit temp = rotate_left(mask + in, rot); + uint32_t temp = rotate_left(mask + in, rot); out ^= (CAST_SBOX1[get_byte(0, temp)] ^ CAST_SBOX2[get_byte(1, temp)]) - CAST_SBOX3[get_byte(2, temp)] + CAST_SBOX4[get_byte(3, temp)]; } @@ -26,9 +26,9 @@ void round1(u32bit& out, u32bit in, u32bit mask, u32bit rot) /* * CAST-256 Round Type 2 */ -void round2(u32bit& out, u32bit in, u32bit mask, u32bit rot) +void round2(uint32_t& out, uint32_t in, uint32_t mask, uint32_t rot) { - u32bit temp = rotate_left(mask ^ in, rot); + uint32_t temp = rotate_left(mask ^ in, rot); out ^= (CAST_SBOX1[get_byte(0, temp)] - CAST_SBOX2[get_byte(1, temp)] + CAST_SBOX3[get_byte(2, temp)]) ^ CAST_SBOX4[get_byte(3, temp)]; } @@ -36,9 +36,9 @@ void round2(u32bit& out, u32bit in, u32bit mask, u32bit rot) /* * CAST-256 Round Type 3 */ -void round3(u32bit& out, u32bit in, u32bit mask, u32bit rot) +void round3(uint32_t& out, uint32_t in, uint32_t mask, uint32_t rot) { - u32bit temp = rotate_left(mask - in, rot); + uint32_t temp = rotate_left(mask - in, rot); out ^= ((CAST_SBOX1[get_byte(0, temp)] + CAST_SBOX2[get_byte(1, temp)]) ^ CAST_SBOX3[get_byte(2, temp)]) - CAST_SBOX4[get_byte(3, temp)]; } @@ -48,14 +48,14 @@ void round3(u32bit& out, u32bit in, u32bit mask, u32bit rot) /* * CAST-256 Encryption */ -void CAST_256::encrypt_n(const byte in[], byte out[], size_t blocks) const +void CAST_256::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { for(size_t i = 0; i != blocks; ++i) { - u32bit A = load_be<u32bit>(in, 0); - u32bit B = load_be<u32bit>(in, 1); - u32bit C = load_be<u32bit>(in, 2); - u32bit D = load_be<u32bit>(in, 3); + uint32_t A = load_be<uint32_t>(in, 0); + uint32_t B = load_be<uint32_t>(in, 1); + uint32_t C = load_be<uint32_t>(in, 2); + uint32_t D = load_be<uint32_t>(in, 3); 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]); @@ -92,14 +92,14 @@ void CAST_256::encrypt_n(const byte in[], byte out[], size_t blocks) const /* * CAST-256 Decryption */ -void CAST_256::decrypt_n(const byte in[], byte out[], size_t blocks) const +void CAST_256::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { for(size_t i = 0; i != blocks; ++i) { - u32bit A = load_be<u32bit>(in, 0); - u32bit B = load_be<u32bit>(in, 1); - u32bit C = load_be<u32bit>(in, 2); - u32bit D = load_be<u32bit>(in, 3); + uint32_t A = load_be<uint32_t>(in, 0); + uint32_t B = load_be<uint32_t>(in, 1); + uint32_t C = load_be<uint32_t>(in, 2); + uint32_t D = load_be<uint32_t>(in, 3); 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]); @@ -136,9 +136,9 @@ void CAST_256::decrypt_n(const byte in[], byte out[], size_t blocks) const /* * CAST-256 Key Schedule */ -void CAST_256::key_schedule(const byte key[], size_t length) +void CAST_256::key_schedule(const uint8_t key[], size_t length) { - static const u32bit KEY_MASK[192] = { + static const uint32_t KEY_MASK[192] = { 0x5A827999, 0xC95C653A, 0x383650DB, 0xA7103C7C, 0x15EA281D, 0x84C413BE, 0xF39DFF5F, 0x6277EB00, 0xD151D6A1, 0x402BC242, 0xAF05ADE3, 0x1DDF9984, 0x8CB98525, 0xFB9370C6, 0x6A6D5C67, 0xD9474808, 0x482133A9, 0xB6FB1F4A, @@ -172,7 +172,7 @@ void CAST_256::key_schedule(const byte key[], size_t length) 0x4BBC26CD, 0xBA96126E, 0x296FFE0F, 0x9849E9B0, 0x0723D551, 0x75FDC0F2, 0xE4D7AC93, 0x53B19834, 0xC28B83D5, 0x31656F76, 0xA03F5B17, 0x0F1946B8 }; - static const byte KEY_ROT[32] = { + static const uint8_t KEY_ROT[32] = { 0x13, 0x04, 0x15, 0x06, 0x17, 0x08, 0x19, 0x0A, 0x1B, 0x0C, 0x1D, 0x0E, 0x1F, 0x10, 0x01, 0x12, 0x03, 0x14, 0x05, 0x16, 0x07, 0x18, 0x09, 0x1A, 0x0B, 0x1C, 0x0D, 0x1E, 0x0F, 0x00, @@ -181,11 +181,11 @@ void CAST_256::key_schedule(const byte key[], size_t length) m_MK.resize(48); m_RK.resize(48); - secure_vector<u32bit> K(8); + secure_vector<uint32_t> K(8); for(size_t i = 0; i != length; ++i) K[i/4] = (K[i/4] << 8) + key[i]; - u32bit A = K[0], B = K[1], C = K[2], D = K[3], + uint32_t A = K[0], B = K[1], C = K[2], D = K[3], E = K[4], F = K[5], G = K[6], H = K[7]; for(size_t i = 0; i != 48; i += 4) |