Differential D2193 Diff 6344 src/secp256k1/src/modules/recovery/main_impl.h

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Show First 20 Lines • Show All 136 Lines • ▼ Show 20 Lines	int secp256k1_ecdsa_sign_recoverable(const secp256k1_context* ctx, secp256k1_ecdsa_recoverable_signature signature, const unsigned char msg32, const unsigned char seckey, secp256k1_nonce_function noncefp, const void noncedata) {

secp256k1_scalar_set_b32(&sec, seckey, &overflow);		secp256k1_scalar_set_b32(&sec, seckey, &overflow);
/* Fail if the secret key is invalid. */		/* Fail if the secret key is invalid. */
if (!overflow && !secp256k1_scalar_is_zero(&sec)) {		if (!overflow && !secp256k1_scalar_is_zero(&sec)) {
unsigned char nonce32[32];		unsigned char nonce32[32];
unsigned int count = 0;		unsigned int count = 0;
secp256k1_scalar_set_b32(&msg, msg32, NULL);		secp256k1_scalar_set_b32(&msg, msg32, NULL);
while (1) {		while (1) {
ret = noncefp(nonce32, msg32, seckey, NULL, (void*)noncedata, count);		ret = noncefp(nonce32, msg32, seckey, secp256k1_ecdsa_algo16, (void*)noncedata, count);
		deadalnixUnsubmitted Not Done Inline Actions ECDSA+DER deadalnix: ECDSA+DER
if (!ret) {		if (!ret) {
break;		break;
}		}
secp256k1_scalar_set_b32(&non, nonce32, &overflow);		secp256k1_scalar_set_b32(&non, nonce32, &overflow);
if (!secp256k1_scalar_is_zero(&non) && !overflow) {		if (!secp256k1_scalar_is_zero(&non) && !overflow) {
if (secp256k1_ecdsa_sig_sign(&ctx->ecmult_gen_ctx, &r, &s, &sec, &msg, &non, &recid)) {		if (secp256k1_ecdsa_sig_sign(&ctx->ecmult_gen_ctx, &r, &s, &sec, &msg, &non, &recid)) {
break;		break;
}		}
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