Commit 6c98ed52 authored by Richard Levitte's avatar Richard Levitte
Browse files

Correct AES counter mode, which incorrectly incremented the counter before 

using it.
PR: 56
parent 37ceea73

crypto/aes/aes_ctr.c

+1 −1
Original line number Diff line number Diff line
@@ -106,8 +106,8 @@ void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out, 


	while (l--) {

		if (n == 0) {

			AES_ctr128_inc(counter);

			AES_encrypt(counter, tmp, key);

			AES_ctr128_inc(counter);

		}

		*(out++) = *(in++) ^ tmp[n];

		n = (n+1) % AES_BLOCK_SIZE;