shake128
void shake128(const u8 *in, size_t in_len, u8 *out, size_t out_len);
EXPORT_SYMBOL_GPL(shake128);
shake128(test_sha3_sample, sizeof(test_sha3_sample) - 1,
shake128("", 0, out, sizeof(out));
shake128(test_nist_1600_sample, sizeof(test_nist_1600_sample),
shake128(in, in_len, out, out_len);