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src/openssl/ec.cpp: implement ec_init() and ec_shutdown()

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This commit is contained in:
Henrik Hautakoski 2023-03-14 19:56:50 +01:00
parent b9c9e58050
commit 6c6c7e2329
1 changed files with 25 additions and 13 deletions
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38
src/openssl/ec.cpp
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@ -28,13 +28,11 @@
namespace libeosio { namespace libeosio {
int ec_generate_key(struct ec_keypair *pair) { BN_CTX *ctx = NULL;
EC_KEY *k = NULL;
int ret = -1; int ec_init() {
EC_KEY *k;
BN_CTX *ctx;
// Create BIGNUM context.
ctx = BN_CTX_new(); ctx = BN_CTX_new();
if (ctx == NULL) { if (ctx == NULL) {
return -1; return -1;
@ -43,12 +41,31 @@ int ec_generate_key(struct ec_keypair *pair) {
// Construct curve. // Construct curve.
k = EC_KEY_new_by_curve_name(NID_secp256k1); k = EC_KEY_new_by_curve_name(NID_secp256k1);
if (k == NULL) { if (k == NULL) {
goto fail1; BN_CTX_free(ctx);
return -1;
} }
return 0;
}
void ec_shutdown() {
if (ctx) {
BN_CTX_free(ctx);
ctx = NULL;
}
if (k) {
EC_KEY_free(k);
k = NULL;
}
}
int ec_generate_key(struct ec_keypair *pair) {
// Generate new key pair. // Generate new key pair.
if (EC_KEY_generate_key(k) != 1) { if (EC_KEY_generate_key(k) != 1) {
goto fail2; return -1;
} }
// Copy private key to binary format. // Copy private key to binary format.
@ -59,12 +76,7 @@ int ec_generate_key(struct ec_keypair *pair) {
EC_KEY_get0_public_key(k), POINT_CONVERSION_COMPRESSED, EC_KEY_get0_public_key(k), POINT_CONVERSION_COMPRESSED,
pair->pub.data(), EC_PUBKEY_SIZE, ctx); pair->pub.data(), EC_PUBKEY_SIZE, ctx);
ret = 0; return 0;
fail2:
EC_KEY_free(k);
fail1:
BN_CTX_free(ctx);
return ret;
} }
} // namespace libeosio } // namespace libeosio