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rangeproof: several API changes

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* add summing function for blinded generators
* drop `excess` and `gen` from `verify_tally`
* add extra_commit to rangeproof sign and verify
This commit is contained in:
Andrew Poelstra
2016-07-06 15:44:09 +00:00
committed by Tim Ruffing
parent f6c84a02f3
commit 94425d4a67
11 changed files with 266 additions and 87 deletions
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6
src/bench_rangeproof.c
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@@ -30,8 +30,8 @@ static void bench_rangeproof_setup(void* arg) {
for (i = 0; i < 32; i++) data->blind[i] = i + 1;
CHECK(secp256k1_pedersen_commit(data->ctx, &data->commit, data->blind, data->v, secp256k1_generator_h));
data->len = 5134;
CHECK(secp256k1_rangeproof_sign(data->ctx, data->proof, &data->len, 0, &data->commit, data->blind, (const unsigned char*)&data->commit, 0, data->min_bits, data->v, NULL, 0, secp256k1_generator_h));
CHECK(secp256k1_rangeproof_verify(data->ctx, &minv, &maxv, &data->commit, data->proof, data->len, secp256k1_generator_h));
CHECK(secp256k1_rangeproof_sign(data->ctx, data->proof, &data->len, 0, &data->commit, data->blind, (const unsigned char*)&data->commit, 0, data->min_bits, data->v, NULL, 0, NULL, 0, secp256k1_generator_h));
CHECK(secp256k1_rangeproof_verify(data->ctx, &minv, &maxv, &data->commit, data->proof, data->len, NULL, 0, secp256k1_generator_h));
}
static void bench_rangeproof(void* arg, int iters) {
@@ -42,7 +42,7 @@ static void bench_rangeproof(void* arg, int iters) {
int j;
uint64_t minv;
uint64_t maxv;
j = secp256k1_rangeproof_verify(data->ctx, &minv, &maxv, &data->commit, data->proof, data->len, secp256k1_generator_h);
j = secp256k1_rangeproof_verify(data->ctx, &minv, &maxv, &data->commit, data->proof, data->len, NULL, 0, secp256k1_generator_h);
for (j = 0; j < 4; j++) {
data->proof[j + 2 + 32 *((data->min_bits + 1) >> 1) - 4] = (i >> 8)&255;
}