diff options
Diffstat (limited to 'src/block/serpent_ia32/serp_ia32.cpp')
-rw-r--r-- | src/block/serpent_ia32/serp_ia32.cpp | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/block/serpent_ia32/serp_ia32.cpp b/src/block/serpent_ia32/serp_ia32.cpp index 37dd4e637..721584b18 100644 --- a/src/block/serpent_ia32/serp_ia32.cpp +++ b/src/block/serpent_ia32/serp_ia32.cpp @@ -21,17 +21,27 @@ void botan_serpent_ia32_key_schedule(u32bit[140]); /* * Serpent Encryption */ -void Serpent_IA32::enc(const byte in[], byte out[]) const +void Serpent_IA32::encrypt_n(const byte in[], byte out[], u32bit blocks) const { - botan_serpent_ia32_encrypt(in, out, round_key); + for(u32bit i = 0; i != blocks; ++i) + { + botan_serpent_ia32_encrypt(in, out, round_key); + in += BLOCK_SIZE; + out += BLOCK_SIZE; + } } /* * Serpent Decryption */ -void Serpent_IA32::dec(const byte in[], byte out[]) const +void Serpent_IA32::decrypt_n(const byte in[], byte out[], u32bit blocks) const { - botan_serpent_ia32_decrypt(in, out, round_key); + for(u32bit i = 0; i != blocks; ++i) + { + botan_serpent_ia32_decrypt(in, out, round_key); + in += BLOCK_SIZE; + out += BLOCK_SIZE; + } } /* @@ -41,7 +51,7 @@ void Serpent_IA32::key_schedule(const byte key[], u32bit length) { SecureBuffer<u32bit, 140> W; for(u32bit j = 0; j != length / 4; ++j) - W[j] = make_u32bit(key[4*j+3], key[4*j+2], key[4*j+1], key[4*j]); + W[j] = load_le<u32bit>(key, j); W[length / 4] |= u32bit(1) << ((length%4)*8); botan_serpent_ia32_key_schedule(W); |