2017-02-19 01:58:51 +01:00

103 lines
3.7 KiB
C

#ifndef R_ASN1_H
#define R_ASN1_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ASN1_OID_LEN 64
/* Masks */
#define ASN1_CLASS 0xC0 /* Bits 8 and 7 */
#define ASN1_FORM 0x20 /* Bit 6 */
#define ASN1_TAG 0x1F /* Bits 5 - 1 */
#define ASN1_LENLONG 0x80 /* long form */
#define ASN1_LENSHORT 0x7F /* Bits 7 - 1 */
/* Classes */
#define CLASS_UNIVERSAL 0x00 /* 0 = Universal (defined by ITU X.680) */
#define CLASS_APPLICATION 0x40 /* 1 = Application */
#define CLASS_CONTEXT 0x80 /* 2 = Context-specific */
#define CLASS_PRIVATE 0xC0 /* 3 = Private */
/* Forms */
#define FORM_PRIMITIVE 0x00 /* 0 = primitive */
#define FORM_CONSTRUCTED 0x20 /* 1 = constructed */
/* Tags */
#define TAG_EOC 0x00 /* 0: End-of-contents octets */
#define TAG_BOOLEAN 0x01 /* 1: Boolean */
#define TAG_INTEGER 0x02 /* 2: Integer */
#define TAG_BITSTRING 0x03 /* 2: Bit string */
#define TAG_OCTETSTRING 0x04 /* 4: Byte string */
#define TAG_NULL 0x05 /* 5: NULL */
#define TAG_OID 0x06 /* 6: Object Identifier */
#define TAG_OBJDESCRIPTOR 0x07 /* 7: Object Descriptor */
#define TAG_EXTERNAL 0x08 /* 8: External */
#define TAG_REAL 0x09 /* 9: Real */
#define TAG_ENUMERATED 0x0A /* 10: Enumerated */
#define TAG_EMBEDDED_PDV 0x0B /* 11: Embedded Presentation Data Value */
#define TAG_UTF8STRING 0x0C /* 12: UTF8 string */
#define TAG_SEQUENCE 0x10 /* 16: Sequence/sequence of */
#define TAG_SET 0x11 /* 17: Set/set of */
#define TAG_NUMERICSTRING 0x12 /* 18: Numeric string */
#define TAG_PRINTABLESTRING 0x13 /* 19: Printable string (ASCII subset) */
#define TAG_T61STRING 0x14 /* 20: T61/Teletex string */
#define TAG_VIDEOTEXSTRING 0x15 /* 21: Videotex string */
#define TAG_IA5STRING 0x16 /* 22: IA5/ASCII string */
#define TAG_UTCTIME 0x17 /* 23: UTC time */
#define TAG_GENERALIZEDTIME 0x18 /* 24: Generalized time */
#define TAG_GRAPHICSTRING 0x19 /* 25: Graphic string */
#define TAG_VISIBLESTRING 0x1A /* 26: Visible string (ASCII subset) */
#define TAG_GENERALSTRING 0x1B /* 27: General string */
#define TAG_UNIVERSALSTRING 0x1C /* 28: Universal string */
#define TAG_BMPSTRING 0x1E /* 30: Basic Multilingual Plane/Unicode string */
typedef struct r_asn1_string_t {
ut32 length;
const char *string;
bool allocated;
} RASN1String;
typedef struct r_asn1_object_t RASN1Object;
typedef struct r_asn1_list_t {
ut32 length;
RASN1Object **objects;
} ASN1List;
typedef struct r_asn1_object_t {
ut8 klass; /* class type */
ut8 form; /* defines if contains data or objects */
ut8 tag; /* tag type */
const ut8 *sector; /* Sector containg data */
ut32 length; /* Sector Length */
ASN1List list; /* List of objects contained in the sector */
} RASN1Object;
R_API RASN1Object *r_asn1_create_object (const ut8 *buffer, ut32 length);
R_API RASN1String *r_asn1_stringify_bits (const ut8 *buffer, ut32 length);
R_API RASN1String *r_asn1_stringify_utctime (const ut8 *buffer, ut32 length);
R_API RASN1String *r_asn1_stringify_time (const ut8 *buffer, ut32 length);
R_API RASN1String *r_asn1_stringify_integer (const ut8 *buffer, ut32 length);
R_API RASN1String *r_asn1_stringify_string (const ut8 *buffer, ut32 length);
R_API RASN1String *r_asn1_stringify_bytes (const ut8 *buffer, ut32 length);
R_API RASN1String *r_asn1_stringify_boolean (const ut8 *buffer, ut32 length);
R_API RASN1String *r_asn1_stringify_oid (const ut8* buffer, ut32 length);
R_API RASN1String *r_asn1_stringify_tag (RASN1Object *object);
R_API RASN1String *r_asn1_stringify_object (RASN1Object *object);
void r_asn1_free_object (RASN1Object *object);
void r_asn1_free_string (RASN1String *string);
#ifdef __cplusplus
}
#endif
#endif /* R_ASN1_H */