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modules, tests: Port bitcoin-core/secp256k1#1777 and bitcoin-core/secp256k1#1824 to zkp-specific code

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DarkWindman
2026-04-02 18:03:37 +03:00
parent f7e7e6bb15
commit baac08d207
28 changed files with 259 additions and 224 deletions
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13
src/modules/generator/main_impl.h
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@@ -211,6 +211,7 @@ static int secp256k1_generator_generate_internal(const secp256k1_context* ctx, s
secp256k1_sha256 sha256;
unsigned char b32[32];
int ret = 1;
const secp256k1_hash_ctx *hash_ctx = secp256k1_get_hash_context(ctx);
if (blind32) {
secp256k1_scalar blind;
@@ -220,9 +221,9 @@ static int secp256k1_generator_generate_internal(const secp256k1_context* ctx, s
}
secp256k1_sha256_initialize(&sha256);
secp256k1_sha256_write(&sha256, prefix1, 16);
secp256k1_sha256_write(&sha256, key32, 32);
secp256k1_sha256_finalize(&sha256, b32);
secp256k1_sha256_write(hash_ctx, &sha256, prefix1, 16);
secp256k1_sha256_write(hash_ctx, &sha256, key32, 32);
secp256k1_sha256_finalize(hash_ctx, &sha256, b32);
secp256k1_sha256_clear(&sha256);
ret &= secp256k1_fe_set_b32_limit(&t, b32);
shallue_van_de_woestijne(&add, &t);
@@ -233,9 +234,9 @@ static int secp256k1_generator_generate_internal(const secp256k1_context* ctx, s
}
secp256k1_sha256_initialize(&sha256);
secp256k1_sha256_write(&sha256, prefix2, 16);
secp256k1_sha256_write(&sha256, key32, 32);
secp256k1_sha256_finalize(&sha256, b32);
secp256k1_sha256_write(hash_ctx, &sha256, prefix2, 16);
secp256k1_sha256_write(hash_ctx, &sha256, key32, 32);
secp256k1_sha256_finalize(hash_ctx, &sha256, b32);
secp256k1_sha256_clear(&sha256);
ret &= secp256k1_fe_set_b32_limit(&t, b32);
shallue_van_de_woestijne(&add, &t);