1 @subheading asn1_get_length_der
2 @anchor{asn1_get_length_der}
3 @deftypefun {signed long} {asn1_get_length_der} (const unsigned char * @var{der}, int @var{der_len}, int * @var{len})
4 @var{der}: DER data to decode.
6 @var{der_len}: Length of DER data to decode.
8 @var{len}: Output variable containing the length of the DER length field.
10 Extract a length field from DER data.
12 @strong{Returns:} Return the decoded length value, or -1 on indefinite
13 length, or -2 when the value was too big.