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work in progress: add _allocate_initialized/destroy funcs

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Dmitry Petukhov
2019-04-21 21:23:13 +05:00
committed by Tim Ruffing
parent 0d4ee3c62d
commit 2dc868f35b
3 changed files with 118 additions and 0 deletions
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31
src/modules/surjection/main_impl.h
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@@ -151,6 +151,37 @@ static size_t secp256k1_surjectionproof_csprng_next(secp256k1_surjectionproof_cs
}
}
/* XXX secp256k1_surjectionproof_create is not a good name, because it can be confused with secp256k1_surjectionproof_generate */
int secp256k1_surjectionproof_allocate_initialized(const secp256k1_context* ctx, secp256k1_surjectionproof** proof_out_p, size_t *input_index, const secp256k1_fixed_asset_tag* fixed_input_tags, const size_t n_input_tags, const size_t n_input_tags_to_use, const secp256k1_fixed_asset_tag* fixed_output_tag, const size_t n_max_iterations, const unsigned char *random_seed32) {
int ret = 0;
secp256k1_surjectionproof* proof;
VERIFY_CHECK(ctx != NULL);
ARG_CHECK(proof_out_p != NULL);
*proof_out_p = 0;
proof = (secp256k1_surjectionproof*)checked_malloc(&ctx->error_callback, sizeof(secp256k1_surjectionproof));
if (proof != NULL) {
ret = secp256k1_surjectionproof_initialize(ctx, proof, input_index, fixed_input_tags, n_input_tags, n_input_tags_to_use, fixed_output_tag, n_max_iterations, random_seed32);
if (ret) {
*proof_out_p = proof;
}
else {
free(proof);
}
}
return ret;
}
/* XXX add checks to prevent destroy of stack-allocated struct ? */
void secp256k1_surjectionproof_destroy(secp256k1_surjectionproof* proof) {
if (proof != NULL) {
VERIFY_CHECK(proof->n_inputs <= SECP256K1_SURJECTIONPROOF_MAX_N_INPUTS);
free(proof);
}
}
int secp256k1_surjectionproof_initialize(const secp256k1_context* ctx, secp256k1_surjectionproof* proof, size_t *input_index, const secp256k1_fixed_asset_tag* fixed_input_tags, const size_t n_input_tags, const size_t n_input_tags_to_use, const secp256k1_fixed_asset_tag* fixed_output_tag, const size_t n_max_iterations, const unsigned char *random_seed32) {
secp256k1_surjectionproof_csprng csprng;
size_t n_iterations = 0;