27 #ifndef POLARSSL_ASN1_H
28 #define POLARSSL_ASN1_H
32 #if defined(POLARSSL_BIGNUM_C)
50 #define POLARSSL_ERR_ASN1_OUT_OF_DATA -0x0060
51 #define POLARSSL_ERR_ASN1_UNEXPECTED_TAG -0x0062
52 #define POLARSSL_ERR_ASN1_INVALID_LENGTH -0x0064
53 #define POLARSSL_ERR_ASN1_LENGTH_MISMATCH -0x0066
54 #define POLARSSL_ERR_ASN1_INVALID_DATA -0x0068
55 #define POLARSSL_ERR_ASN1_MALLOC_FAILED -0x006A
56 #define POLARSSL_ERR_ASN1_BUF_TOO_SMALL -0x006C
71 #define ASN1_BOOLEAN 0x01
72 #define ASN1_INTEGER 0x02
73 #define ASN1_BIT_STRING 0x03
74 #define ASN1_OCTET_STRING 0x04
75 #define ASN1_NULL 0x05
77 #define ASN1_UTF8_STRING 0x0C
78 #define ASN1_SEQUENCE 0x10
80 #define ASN1_PRINTABLE_STRING 0x13
81 #define ASN1_T61_STRING 0x14
82 #define ASN1_IA5_STRING 0x16
83 #define ASN1_UTC_TIME 0x17
84 #define ASN1_GENERALIZED_TIME 0x18
85 #define ASN1_UNIVERSAL_STRING 0x1C
86 #define ASN1_BMP_STRING 0x1E
87 #define ASN1_PRIMITIVE 0x00
88 #define ASN1_CONSTRUCTED 0x20
89 #define ASN1_CONTEXT_SPECIFIC 0x80
94 #define OID_SIZE(x) (sizeof(x) - 1)
150 const unsigned char *end,
166 const unsigned char *end,
167 size_t *len,
int tag );
180 const unsigned char *end,
194 const unsigned char *end,
222 const unsigned char *end,
226 #if defined(POLARSSL_BIGNUM_C)
238 const unsigned char *end,
int asn1_get_sequence_of(unsigned char **p, const unsigned char *end, asn1_sequence *cur, int tag)
Parses and splits an ASN.1 "SEQUENCE OF <tag>" Updated the pointer to immediately behind the full seq...
asn1_buf buf
Buffer containing the given ASN.1 item.
struct _asn1_sequence asn1_sequence
Container for a sequence of ASN.1 items.
int asn1_get_int(unsigned char **p, const unsigned char *end, int *val)
Retrieve an integer ASN.1 tag and its value.
size_t len
ASN1 length, e.g.
Configuration options (set of defines)
unsigned char unused_bits
Number of unused bits at the end of the string.
Container for ASN1 bit strings.
Multi-precision integer library.
Container for a sequence of ASN.1 items.
struct _asn1_bitstring asn1_bitstring
Container for ASN1 bit strings.
unsigned char * p
Raw ASN1 data for the bit string.
unsigned char * p
ASN1 data, e.g.
int asn1_get_bool(unsigned char **p, const unsigned char *end, int *val)
Retrieve a boolean ASN.1 tag and its value.
Type-length-value structure that allows for ASN1 using DER.
size_t len
ASN1 length, e.g.
struct _asn1_buf asn1_buf
Type-length-value structure that allows for ASN1 using DER.
int asn1_get_len(unsigned char **p, const unsigned char *end, size_t *len)
Get the length of an ASN.1 element.
int asn1_get_tag(unsigned char **p, const unsigned char *end, size_t *len, int tag)
Get the tag and length of the tag.
int asn1_get_bitstring(unsigned char **p, const unsigned char *end, asn1_bitstring *bs)
Retrieve a bitstring ASN.1 tag and its value.
int asn1_get_mpi(unsigned char **p, const unsigned char *end, mpi *X)
Retrieve a MPI value from an integer ASN.1 tag.
struct _asn1_sequence * next
The next entry in the sequence.