int asn1_get_tag_der(const unsigned char * der, int der_len, unsigned char * cls, int * len, unsigned long * tag);
- const unsigned char * der
DER data to decode.
- int der_len
Length of DER data to decode.
- unsigned char * cls
Output variable containing decoded class.
- int * len
Output variable containing the length of the DER TAG data.
- unsigned long * tag
Output variable containing the decoded tag (may be NULL).
Decode the class and TAG from DER code.
Returns ASN1_SUCCESS on success, or an error.
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