asn1_object_id_der - API function
int asn1_object_id_der(const char * str, unsigned char * der, int * der_len, unsigned flags);
Creates the DER encoding of the provided object identifier.
ASN1_SUCCESS if DER encoding was OK, ASN1_VALUE_NOT_VALID if str is not a valid OID, ASN1_MEM_ERROR if the der vector isn't big enough and in this case der_len will contain the length needed.
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