asn1_bit_der (3) - Linux Man Pages
asn1_bit_der: API function
NAMEasn1_bit_der - API function
void asn1_bit_der(const unsigned char * str, int bit_len, unsigned char * der, int * der_len);
- const unsigned char * str
- BIT string.
- int bit_len
- number of meaningful bits in STR.
- unsigned char * der
- string returned.
- int * der_len
- number of meaningful bytes of DER (der..der[ans_len-1]).
DESCRIPTIONCreates a length-value DER encoding for the input data as it would have been for a BIT STRING. The DER encoded data will be copied in der .
Note that the BIT STRING tag is not included in the output.
This function does not return any value because it is expected that der_len will contain enough bytes to store the string plus the DER encoding. The DER encoding size can be obtained using asn1_length_der().
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SEE ALSOThe full documentation for libtasn1 is maintained as a Texinfo manual. If the info and libtasn1 programs are properly installed at your site, the command
- info libtasn1
should give you access to the complete manual. As an alternative you may obtain the manual from: