diff options
Diffstat (limited to 'src/lib/block/sm4/sm4.cpp')
-rw-r--r-- | src/lib/block/sm4/sm4.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/block/sm4/sm4.cpp b/src/lib/block/sm4/sm4.cpp index 2902d514c..7c409d40f 100644 --- a/src/lib/block/sm4/sm4.cpp +++ b/src/lib/block/sm4/sm4.cpp @@ -124,6 +124,8 @@ inline uint32_t SM4_Tp(uint32_t b) */ void SM4::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { + verify_key_set(m_RK.empty() == false); + for(size_t i = 0; i != blocks; ++i) { uint32_t B0 = load_be<uint32_t>(in, 0); @@ -152,6 +154,8 @@ void SM4::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const */ void SM4::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { + verify_key_set(m_RK.empty() == false); + for(size_t i = 0; i != blocks; ++i) { uint32_t B0 = load_be<uint32_t>(in, 0); |