diff options
Diffstat (limited to 'src/lib/block/des/des.cpp')
| -rw-r--r-- | src/lib/block/des/des.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/lib/block/des/des.cpp b/src/lib/block/des/des.cpp index 15c2adb66..2881cfa9a 100644 --- a/src/lib/block/des/des.cpp +++ b/src/lib/block/des/des.cpp @@ -144,6 +144,8 @@ void des_decrypt(uint32_t& L, uint32_t& R, */ void DES::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { + verify_key_set(m_round_key.empty() == false); + for(size_t i = 0; i < blocks; ++i) { uint64_t T = (DES_IPTAB1[in[8*i+0]] ) | (DES_IPTAB1[in[8*i+1]] << 1) | @@ -171,6 +173,8 @@ void DES::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const */ void DES::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { + verify_key_set(m_round_key.empty() == false); + for(size_t i = 0; i < blocks; ++i) { uint64_t T = (DES_IPTAB1[in[BLOCK_SIZE*i+0]] ) | (DES_IPTAB1[in[BLOCK_SIZE*i+1]] << 1) | @@ -213,6 +217,8 @@ void DES::clear() */ void TripleDES::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { + verify_key_set(m_round_key.empty() == false); + for(size_t i = 0; i != blocks; ++i) { uint64_t T = (DES_IPTAB1[in[0]] ) | (DES_IPTAB1[in[1]] << 1) | @@ -246,6 +252,8 @@ void TripleDES::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) cons */ void TripleDES::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { + verify_key_set(m_round_key.empty() == false); + for(size_t i = 0; i != blocks; ++i) { uint64_t T = (DES_IPTAB1[in[0]] ) | (DES_IPTAB1[in[1]] << 1) | |