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Remove ecmult_context.

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These tables stored in this context are now statically available from the generated ecmult_static_pre_g.h file.
This commit is contained in:
Russell O'Connor
2021-06-25 18:46:11 -04:00
parent f20dcbbad1
commit 6815761cf5
16 changed files with 177 additions and 424 deletions
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7
src/modules/recovery/main_impl.h
View File

@@ -84,7 +84,7 @@ int secp256k1_ecdsa_recoverable_signature_convert(const secp256k1_context* ctx,
return 1;
}
static int secp256k1_ecdsa_sig_recover(const secp256k1_ecmult_context *ctx, const secp256k1_scalar *sigr, const secp256k1_scalar* sigs, secp256k1_ge *pubkey, const secp256k1_scalar *message, int recid) {
static int secp256k1_ecdsa_sig_recover(const secp256k1_scalar *sigr, const secp256k1_scalar* sigs, secp256k1_ge *pubkey, const secp256k1_scalar *message, int recid) {
unsigned char brx[32];
secp256k1_fe fx;
secp256k1_ge x;
@@ -115,7 +115,7 @@ static int secp256k1_ecdsa_sig_recover(const secp256k1_ecmult_context *ctx, cons
secp256k1_scalar_mul(&u1, &rn, message);
secp256k1_scalar_negate(&u1, &u1);
secp256k1_scalar_mul(&u2, &rn, sigs);
secp256k1_ecmult(ctx, &qj, &xj, &u2, &u1);
secp256k1_ecmult(&qj, &xj, &u2, &u1);
secp256k1_ge_set_gej_var(pubkey, &qj);
return !secp256k1_gej_is_infinity(&qj);
}
@@ -140,7 +140,6 @@ int secp256k1_ecdsa_recover(const secp256k1_context* ctx, secp256k1_pubkey *pubk
secp256k1_scalar m;
int recid;
VERIFY_CHECK(ctx != NULL);
ARG_CHECK(secp256k1_ecmult_context_is_built(&ctx->ecmult_ctx));
ARG_CHECK(msghash32 != NULL);
ARG_CHECK(signature != NULL);
ARG_CHECK(pubkey != NULL);
@@ -148,7 +147,7 @@ int secp256k1_ecdsa_recover(const secp256k1_context* ctx, secp256k1_pubkey *pubk
secp256k1_ecdsa_recoverable_signature_load(ctx, &r, &s, &recid, signature);
VERIFY_CHECK(recid >= 0 && recid < 4); /* should have been caught in parse_compact */
secp256k1_scalar_set_b32(&m, msghash32, NULL);
if (secp256k1_ecdsa_sig_recover(&ctx->ecmult_ctx, &r, &s, &q, &m, recid)) {
if (secp256k1_ecdsa_sig_recover(&r, &s, &q, &m, recid)) {
secp256k1_pubkey_save(pubkey, &q);
return 1;
} else {

18
src/modules/recovery/tests_impl.h
View File

@@ -92,20 +92,20 @@ void test_ecdsa_recovery_api(void) {
/* Check bad contexts and NULLs for recovery */
ecount = 0;
CHECK(secp256k1_ecdsa_recover(none, &recpubkey, &recsig, message) == 0);
CHECK(ecount == 1);
CHECK(secp256k1_ecdsa_recover(sign, &recpubkey, &recsig, message) == 0);
CHECK(ecount == 2);
CHECK(secp256k1_ecdsa_recover(none, &recpubkey, &recsig, message) == 1);
CHECK(ecount == 0);
CHECK(secp256k1_ecdsa_recover(sign, &recpubkey, &recsig, message) == 1);
CHECK(ecount == 0);
CHECK(secp256k1_ecdsa_recover(vrfy, &recpubkey, &recsig, message) == 1);
CHECK(ecount == 2);
CHECK(ecount == 0);
CHECK(secp256k1_ecdsa_recover(both, &recpubkey, &recsig, message) == 1);
CHECK(ecount == 2);
CHECK(ecount == 0);
CHECK(secp256k1_ecdsa_recover(both, NULL, &recsig, message) == 0);
CHECK(ecount == 3);
CHECK(ecount == 1);
CHECK(secp256k1_ecdsa_recover(both, &recpubkey, NULL, message) == 0);
CHECK(ecount == 4);
CHECK(ecount == 2);
CHECK(secp256k1_ecdsa_recover(both, &recpubkey, &recsig, NULL) == 0);
CHECK(ecount == 5);
CHECK(ecount == 3);
/* Check NULLs for conversion */
CHECK(secp256k1_ecdsa_sign(both, &normal_sig, message, privkey, NULL, NULL) == 1);