diff options
Diffstat (limited to 'arch/x86/crypto/chacha20_glue.c')
| -rw-r--r-- | arch/x86/crypto/chacha20_glue.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/crypto/chacha20_glue.c b/arch/x86/crypto/chacha20_glue.c index 250de401d28f..4d677c3eb7bd 100644 --- a/arch/x86/crypto/chacha20_glue.c +++ b/arch/x86/crypto/chacha20_glue.c @@ -20,12 +20,20 @@ #define CHACHA20_STATE_ALIGN 16 asmlinkage void chacha20_block_xor_ssse3(u32 *state, u8 *dst, const u8 *src); +asmlinkage void chacha20_4block_xor_ssse3(u32 *state, u8 *dst, const u8 *src); static void chacha20_dosimd(u32 *state, u8 *dst, const u8 *src, unsigned int bytes) { u8 buf[CHACHA20_BLOCK_SIZE]; + while (bytes >= CHACHA20_BLOCK_SIZE * 4) { + chacha20_4block_xor_ssse3(state, dst, src); + bytes -= CHACHA20_BLOCK_SIZE * 4; + src += CHACHA20_BLOCK_SIZE * 4; + dst += CHACHA20_BLOCK_SIZE * 4; + state[12] += 4; + } while (bytes >= CHACHA20_BLOCK_SIZE) { chacha20_block_xor_ssse3(state, dst, src); bytes -= CHACHA20_BLOCK_SIZE; |