diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/crypto/des/random_key.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/lib/crypto/des/random_key.c b/src/lib/crypto/des/random_key.c index b24ec51ef..1dc4600b4 100644 --- a/src/lib/crypto/des/random_key.c +++ b/src/lib/crypto/des/random_key.c @@ -80,10 +80,11 @@ mit_des_generate_random_key(state, randkey) (* state->eblock.crypto_entry->encrypt_func) (state->sequence.data /*in*/, randkey->contents /*out*/, state->sequence.length, eblock, zero_ivec); - (* state->eblock.crypto_entry->encrypt_func) - (randkey->contents /*in*/, randkey->contents /*out*/, - randkey->length, eblock, - randkey->contents + randkey->length - sizeof(mit_des_cblock)); + if (state->sequence.length > sizeof(mit_des_cblock)) + (* state->eblock.crypto_entry->encrypt_func) + (randkey->contents /*in*/, randkey->contents /*out*/, + randkey->length, eblock, + randkey->contents + randkey->length - sizeof(mit_des_cblock)); /* Increment the sequence number, with wraparound (LSB) */ for (i = 0; i < state->sequence.length; i++) { |