diff options
Diffstat (limited to 'lib/crypto/chacha.c')
| -rw-r--r-- | lib/crypto/chacha.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/lib/crypto/chacha.c b/lib/crypto/chacha.c index a7f5eb091839..ae50e441f9fb 100644 --- a/lib/crypto/chacha.c +++ b/lib/crypto/chacha.c @@ -76,11 +76,9 @@ static void chacha_permute(struct chacha_state *state, int nrounds) */ void chacha_block_generic(struct chacha_state *state, u8 *stream, int nrounds) { - struct chacha_state permuted_state; + struct chacha_state permuted_state = *state; int i; - memcpy(permuted_state.x, state->x, 64); - chacha_permute(&permuted_state, nrounds); for (i = 0; i < ARRAY_SIZE(state->x); i++) @@ -105,9 +103,7 @@ EXPORT_SYMBOL(chacha_block_generic); void hchacha_block_generic(const struct chacha_state *state, u32 *stream, int nrounds) { - struct chacha_state permuted_state; - - memcpy(permuted_state.x, state->x, 64); + struct chacha_state permuted_state = *state; chacha_permute(&permuted_state, nrounds); |