#include "../utils.h"
#include "../xalloc.h"
+#include "brainpool.h"
+
// Generate ECDSA key
ecdsa_t *ecdsa_generate(void) {
- ecdsa_t *ecdsa = EC_KEY_new_by_curve_name(NID_secp521r1);
+ ecdsa_t *ecdsa = EC_KEY_new();
+ if(!ecdsa) {
+ fprintf(stderr, "Allocating EC key failed: %s", ERR_error_string(ERR_get_error(), NULL));
+ return NULL;
+ }
- if(!ecdsa || !EC_KEY_generate_key(ecdsa)) {
+ if(!EC_KEY_set_group(ecdsa, brainpoolp512r1) || !EC_KEY_generate_key(ecdsa)) {
fprintf(stderr, "Generating EC key failed: %s", ERR_error_string(ERR_get_error(), NULL));
ecdsa_free(ecdsa);
- return false;
+ return NULL;
}
- EC_KEY_set_asn1_flag(ecdsa, OPENSSL_EC_NAMED_CURVE);
+ EC_KEY_set_asn1_flag(ecdsa, 0);
EC_KEY_set_conv_form(ecdsa, POINT_CONVERSION_COMPRESSED);
return ecdsa;
// Write PEM ECDSA keys
bool ecdsa_write_pem_public_key(ecdsa_t *ecdsa, FILE *fp) {
- BIO *out = BIO_new(BIO_s_file());
- if(!out)
- return false;
- BIO_set_fp(out, fp, BIO_NOCLOSE);
- bool result = PEM_write_bio_EC_PUBKEY(out, ecdsa);
- BIO_free(out);
- return result;
+ return PEM_write_EC_PUBKEY(fp, ecdsa);
}
bool ecdsa_write_pem_private_key(ecdsa_t *ecdsa, FILE *fp) {
- BIO *out = BIO_new(BIO_s_file());
- if(!out)
- return false;
- BIO_set_fp(out, fp, BIO_NOCLOSE);
- bool result = PEM_write_bio_ECPrivateKey(out, ecdsa, NULL, NULL, 0, NULL, NULL);
- BIO_free(out);
- return result;
+ return PEM_write_ECPrivateKey(fp, ecdsa, NULL, NULL, 0, NULL, NULL);
}