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Add a function to extract the secretkey from a keypair

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This commit is contained in:
Elichai Turkel
2020-11-05 16:48:48 +02:00
parent 9e5939d284
commit fc96aa73f5
2 changed files with 23 additions and 0 deletions
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10
src/modules/extrakeys/main_impl.h
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@@ -186,6 +186,16 @@ int secp256k1_keypair_create(const secp256k1_context* ctx, secp256k1_keypair *ke
return ret;
}
int secp256k1_keypair_sec(const secp256k1_context* ctx, unsigned char *seckey, const secp256k1_keypair *keypair) {
VERIFY_CHECK(ctx != NULL);
ARG_CHECK(seckey != NULL);
memset(seckey, 0, 32);
ARG_CHECK(keypair != NULL);
memcpy(seckey, &keypair->data[0], 32);
return 1;
}
int secp256k1_keypair_pub(const secp256k1_context* ctx, secp256k1_pubkey *pubkey, const secp256k1_keypair *keypair) {
VERIFY_CHECK(ctx != NULL);
ARG_CHECK(pubkey != NULL);