void cf_cbcmac_stream_reset(cf_cbcmac_stream *ctx)
{
uint8_t iv_zero[CF_MAXBLOCK] = { 0 };
cf_cbc_init(&ctx->cbc, ctx->prp, ctx->prpctx, iv_zero);
mem_clean(ctx->buffer, sizeof ctx->buffer);
ctx->used = 0;
}
static void test_cbc(void)
{
uint8_t out[16];
const void *iv = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f";
const void *key = "\x2b\x7e\x15\x16\x28\xae\xd2\xa6\xab\xf7\x15\x88\x09\xcf\x4f\x3c";
const void *inp = "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a";
const void *expect = "\x76\x49\xab\xac\x81\x19\xb2\x46\xce\xe9\x8e\x9b\x12\xe9\x19\x7d";
cf_aes_context aes;
cf_aes_init(&aes, key, 16);
cf_cbc cbc;
cf_cbc_init(&cbc, &cf_aes, &aes, iv);
cf_cbc_encrypt(&cbc, inp, out, 1);
TEST_CHECK(memcmp(out, expect, 16) == 0);
uint8_t decrypt[16];
cf_cbc_init(&cbc, &cf_aes, &aes, iv);
cf_cbc_decrypt(&cbc, out, decrypt, 1);
TEST_CHECK(memcmp(decrypt, inp, 16) == 0);
}
