diff options
| author | Tomas Mraz <tomas@openssl.org> | 2021-03-19 18:45:43 +0100 |
|---|---|---|
| committer | Pauli <pauli@openssl.org> | 2021-03-28 16:38:57 +1000 |
| commit | 2145ba5e8383184d7f212500ec2f759bdf08503a (patch) | |
| tree | a862106cc508e75f170b3105e3b5919fb38219d3 /crypto/ec/ec_ameth.c | |
| parent | c464583483df70ad8df9907168bf015d672742bd (diff) | |
Implement EVP_PKEY_dup() function
Fixes #14501
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14624)
Diffstat (limited to 'crypto/ec/ec_ameth.c')
| -rw-r--r-- | crypto/ec/ec_ameth.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/crypto/ec/ec_ameth.c b/crypto/ec/ec_ameth.c index 69370d6bc1..273663d89e 100644 --- a/crypto/ec/ec_ameth.c +++ b/crypto/ec/ec_ameth.c @@ -640,6 +640,27 @@ static int ec_pkey_import_from(const OSSL_PARAM params[], void *vpctx) return 1; } +static int ec_pkey_copy(EVP_PKEY *to, EVP_PKEY *from) +{ + EC_KEY *eckey = from->pkey.ec; + EC_KEY *dupkey = NULL; + int ret; + + if (eckey != NULL) { + dupkey = EC_KEY_dup(eckey); + if (dupkey == NULL) + return 0; + } else { + /* necessary to properly copy empty SM2 keys */ + return EVP_PKEY_set_type(to, from->type); + } + + ret = EVP_PKEY_assign_EC_KEY(to, dupkey); + if (!ret) + EC_KEY_free(dupkey); + return ret; +} + const EVP_PKEY_ASN1_METHOD ossl_eckey_asn1_meth = { EVP_PKEY_EC, EVP_PKEY_EC, @@ -687,6 +708,7 @@ const EVP_PKEY_ASN1_METHOD ossl_eckey_asn1_meth = { ec_pkey_dirty_cnt, ec_pkey_export_to, ec_pkey_import_from, + ec_pkey_copy, eckey_priv_decode_ex }; |