asn1der_find_object()

lt_ret_t asn1der_find_object	(	const uint8_t *	stream,
		uint16_t	len,
		int32_t	obj_id,
		uint8_t *	buf,
		int	buf_len,
		enum lt_asn1der_crop_kind_t	crop_kind
	)

Parameters

stream	Byte stream with X509 certificate to be parsed
len	Length of the certificate in the byte-stream
obj_id	3-byte OBJECT_IDENTIFIER to be searched for
buf	Buffer where to copy the found object value
buf_len	Size of the buffer pointed to by "buf"
crop_kind	If size of the found object is bigger than "buf" buffer, the only part of the object is copied to "buf". LT_ASN1DER_CROP_SUFFIX - Crop Suffix , copy to "buf" from 0 to "buf_len" - 1 LT_ASN1DER_CROP_PREFIX - Crop Prefix, copy to "buf" from N - buf_len to N - 1 where N is length of the object being sampled.

Returns

lt_ret_t LT_OK if sucessfull (and the object was found) LT_CERT_STORE_INVALID if the stream does not contain valid ASN1 syntax LT_CERT_UNSUPPORTED if the ASN1 stream contains features unsupported by this parser LT_CERT_ITEM_NOT_FOUND if OBJECT_IDENTIFIER with "obj_id" value was not found!