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Make sure that bppp_log2 isn't called with value 0

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Author:    Jonas Nick <jonasd.nick@gmail.com>
Date:      Thu Feb 9 21:31:43 2023 +0000
This commit is contained in:
Jonas Nick
2023-02-09 21:31:43 +00:00
committed by sanket1729
parent e5a01d12c6
commit d7fb25c8ca
3 changed files with 37 additions and 7 deletions
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18
src/modules/bppp/tests_impl.h
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@@ -420,6 +420,24 @@ void norm_arg_zero(void) {
secp256k1_bppp_generators_destroy(ctx, gs);
}
/* Verify vectors of length 0 */
{
unsigned int n_vec_len = 1;
unsigned int c_vec_len = 1;
secp256k1_bppp_generators *gs = secp256k1_bppp_generators_create(ctx, n_vec_len + c_vec_len);
size_t plen = sizeof(proof);
random_scalar_order(&n_vec[0]);
random_scalar_order(&c_vec[0]);
random_scalar_order(&l_vec[0]);
CHECK(secp256k1_bppp_commit(ctx, scratch, &commit, gs, n_vec, n_vec_len, l_vec, c_vec_len, c_vec, c_vec_len, &q));
CHECK(secp256k1_norm_arg_prove(scratch, proof, &plen, &r, gs, n_vec, n_vec_len, l_vec, c_vec_len, c_vec, c_vec_len, &commit));
CHECK(secp256k1_norm_arg_verify(scratch, proof, plen, &r, gs, n_vec_len, c_vec, c_vec_len, &commit));
CHECK(!secp256k1_norm_arg_verify(scratch, proof, plen, &r, gs, 0, c_vec, c_vec_len, &commit));
CHECK(!secp256k1_norm_arg_verify(scratch, proof, plen, &r, gs, n_vec_len, c_vec, 0, &commit));
secp256k1_bppp_generators_destroy(ctx, gs);
}
secp256k1_scratch_space_destroy(ctx, scratch);
}