AESCTR_IVSIZE
memcpy(icb + AESCTR_NONCESIZE, iv, AESCTR_IVSIZE);
AESCTR_IVSIZE);
memcpy((uint8_t *)icb + AESCTR_NONCESIZE, iv, AESCTR_IVSIZE);
bcopy(iv, ctx->ac_block + AESCTR_NONCESIZE, AESCTR_IVSIZE);
bzero(ctx->ac_block + AESCTR_NONCESIZE + AESCTR_IVSIZE, 4);
bcopy(iv, ctx->ac_block + AESCTR_NONCESIZE, AESCTR_IVSIZE);
bzero(ctx->ac_block + AESCTR_NONCESIZE + AESCTR_IVSIZE, 4);
i >= AESCTR_NONCESIZE + AESCTR_IVSIZE; i--)