EVP_PKEY_GET_GROUP_NAME - Online Linux Manual PageSection : 3ossl
Updated : 2022-03-15
Source : 3.0.2
Note : OpenSSL

NAMEEVP_PKEY_get_group_name − get group name of a key

SYNOPSIS​ #include <openssl/evp.h> ​ ​ int EVP_PKEY_get_group_name(EVP_PKEY *pkey, char *gname, size_t gname_sz, ​ size_t *gname_len);

DESCRIPTIONEVP_PKEY_get_group_name() fills in the group name of the pkey into ​gname, up to at most gname_sz bytes including the ending NUL byte and assigns *gname_len the actual length of the name not including the NUL byte, if pkey's key type supports it. ​gname as well as gname_len may individually be NULL, and won't be filled in or assigned in that case.

NOTESAmong the standard OpenSSL key types, this is only supported for DH, EC and ​SM2 keys. Other providers may support this for additional key types.

RETURN VALUESEVP_PKEY_get_group_name() returns 1 if the group name could be filled in, otherwise 0.

HISTORYThis function was added in OpenSSL 3.0.

COPYRIGHTCopyright 2020−2021 The OpenSSL Project Authors. All Rights Reserved. Licensed under the Apache License 2.0 (the License). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <https://www.openssl.org/source/license.html>.
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