1 #ifndef _GPXE_ASN1_H 2 #define _GPXE_ASN1_H 3 4 /** @file 5 * 6 * ASN.1 encoding 7 * 8 */ 9 10 FILE_LICENCE ( GPL2_OR_LATER ); 11 12 #define ASN1_INTEGER 0x02 13 #define ASN1_BIT_STRING 0x03 14 #define ASN1_OCTET_STRING 0x04 15 #define ASN1_NULL 0x05 16 #define ASN1_OID 0x06 17 #define ASN1_SEQUENCE 0x30 18 #define ASN1_IP_ADDRESS 0x40 19 #define ASN1_EXPLICIT_TAG 0xa0 20 21 /** 22 * A DER-encoded ASN.1 object cursor 23 */ 24 struct asn1_cursor { 25 /** Start of data */ 26 void *data; 27 /** Length of data */ 28 size_t len; 29 }; 30 31 extern int asn1_enter ( struct asn1_cursor *cursor, unsigned int type ); 32 extern int asn1_skip ( struct asn1_cursor *cursor, unsigned int type ); 33 34 #endif /* _GPXE_ASN1_H */ 35
