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Refine ASN.1 functions

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This commit is contained in:
Zhi Guan
2023-01-15 11:59:53 +08:00
parent b858b01d39
commit 4b75346983
3 changed files with 194 additions and 132 deletions
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60
include/gmssl/asn1.h
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@@ -106,9 +106,10 @@ DER encoding (d, dlen) to_der
*/
const char *asn1_tag_name(int tag);
int asn1_tag_is_cstring(int tag);
int asn1_tag_to_der(int tag, uint8_t **out, size_t *outlen);
int asn1_tag_from_der(int *tag, const uint8_t **in, size_t *inlen);
int asn1_tag_from_der_readonly(int *tag, const uint8_t **in, size_t *inlen); // read the next tag without changing *in,*inlen
int asn1_tag_is_cstring(int tag);
int asn1_length_to_der(size_t dlen, uint8_t **out, size_t *outlen);
int asn1_length_from_der(size_t *dlen, const uint8_t **in, size_t *inlen);
int asn1_length_is_zero(size_t len);
@@ -118,6 +119,8 @@ int asn1_data_from_der(const uint8_t **d, size_t dlen, const uint8_t **in, size_
int asn1_type_to_der(int tag, const uint8_t *d, size_t dlen, uint8_t **out, size_t *outlen);
int asn1_type_from_der(int tag, const uint8_t **d, size_t *dlen, const uint8_t **in, size_t *inlen);
int asn1_nonempty_type_to_der(int tag, const uint8_t *d, size_t dlen, uint8_t **out, size_t *outlen);
int asn1_nonempty_type_from_der(int tag, const uint8_t **d, size_t *dlen, const uint8_t **in, size_t *inlen);
int asn1_any_type_from_der(int *tag, const uint8_t **d, size_t *dlen, const uint8_t **in, size_t *inlen);
int asn1_any_to_der(const uint8_t *a, size_t alen, uint8_t **out, size_t *outlen); // 调用方应保证a,alen为TLV
int asn1_any_from_der(const uint8_t **a, size_t *alen, const uint8_t **in, size_t *inlen); // 该函数会检查输入是否为TLV
@@ -187,20 +190,40 @@ const char *asn1_null_name(void);
int asn1_null_to_der(uint8_t **out, size_t *outlen);
int asn1_null_from_der(const uint8_t **in, size_t *inlen);
#define ASN1_OID_MIN_NODES 2
#define ASN1_OID_MAX_NODES 32
#define ASN1_OID_MIN_OCTETS 1
#define ASN1_OID_MAX_OCTETS (1 + (ASN1_OID_MAX_NODES - 2) * 5)
int asn1_object_identifier_to_octets(const uint32_t *nodes, size_t nodes_cnt, uint8_t *out, size_t *outlen);
int asn1_object_identifier_from_octets(uint32_t *nodes, size_t *nodes_cnt, const uint8_t *in, size_t inlen);
int asn1_object_identifier_equ(const uint32_t *a, size_t a_cnt, const uint32_t *b, size_t b_cnt);
int asn1_object_identifier_to_der_ex(int tag, const uint32_t *nodes, size_t nodes_cnt, uint8_t **out, size_t *outlen);
int asn1_object_identifier_from_der_ex(int tag, uint32_t *nodes, size_t *nodes_cnt, const uint8_t **in, size_t *inlen);
#define asn1_object_identifier_to_der(nodes,nodes_cnt,out,outlen) asn1_object_identifier_to_der_ex(ASN1_TAG_OBJECT_IDENTIFIER,nodes,nodes_cnt,out,outlen)
#define asn1_object_identifier_from_der(nodes,nodes_cnt,in,inlen) asn1_object_identifier_from_der_ex(ASN1_TAG_OBJECT_IDENTIFIER,nodes,nodes_cnt,in,inlen)
#define asn1_implicit_object_identifier_to_der(i,nodes,nodes_cnt,out,outlen) asn1_object_identifier_to_der_ex(ASN1_TAG_IMPLICIT(i),nodes,nodes_cnt,out,outlen)
#define asn1_implicit_object_identifier_from_der(i,nodes,nodes_cnt,in,inlen) asn1_object_identifier_from_der_ex(ASN1_TAG_IMPLICIT(i),nodes,nodes_cnt,in,inlen)
int asn1_object_identifier_equ(const uint32_t *a, size_t a_cnt, const uint32_t *b, size_t b_cnt);
int asn1_object_identifier_print(FILE *fp, int fmt, int ind, const char *label, const char *name,
const uint32_t *nodes, size_t nodes_cnt);
typedef struct {
int oid;
char *name;
uint32_t *nodes;
size_t nodes_cnt;
int flags;
char *description;
} ASN1_OID_INFO;
const ASN1_OID_INFO *asn1_oid_info_from_name(const ASN1_OID_INFO *infos, size_t count, const char *name);
const ASN1_OID_INFO *asn1_oid_info_from_oid(const ASN1_OID_INFO *infos, size_t count, int oid);
// 如果一个正确解析的OID并不在infos列表中，那么仍然返回1，但是调用方必须检查返回的info是否为空
int asn1_oid_info_from_der_ex(const ASN1_OID_INFO **info, uint32_t *nodes, size_t *nodes_cnt,
const ASN1_OID_INFO *infos, size_t count, const uint8_t **in, size_t *inlen);
int asn1_oid_info_from_der(const ASN1_OID_INFO **info,
const ASN1_OID_INFO *infos, size_t count, const uint8_t **in, size_t *inlen);
#define asn1_enumerated_to_der_ex(tag,val,out,outlen) asn1_int_to_der_ex(tag,val,out,outlen)
#define asn1_enumerated_from_der_ex(tag,val,in,inlen) asn1_int_from_der_ex(tag,val,in,inlen)
#define asn1_enumerated_to_der(val,out,outlen) asn1_int_to_der_ex(ASN1_TAG_ENUMERATED,val,out,outlen)
@@ -208,6 +231,7 @@ int asn1_object_identifier_print(FILE *fp, int fmt, int ind, const char *label,
#define asn1_implicit_enumerated_to_der(i,val,out,outlen) asn1_int_to_der_ex(ASN1_TAG_IMPLICIT(i),val,out,outlen)
#define asn1_implicit_enumerated_from_der(i,val,in,inlen) asn1_int_from_der_ex(ASN1_TAG_IMPLICIT(i),val,in,inlen)
int asn1_string_is_utf8_string(const char *d, size_t dlen);
int asn1_utf8_string_to_der_ex(int tag, const char *d, size_t dlen, uint8_t **out, size_t *outlen);
int asn1_utf8_string_from_der_ex(int tag, const char **d, size_t *dlen, const uint8_t **in, size_t *inlen);
#define asn1_utf8_string_to_der(d,dlen,out,outlen) asn1_utf8_string_to_der_ex(ASN1_TAG_UTF8String,d,dlen,out,outlen)
@@ -215,6 +239,7 @@ int asn1_utf8_string_from_der_ex(int tag, const char **d, size_t *dlen, const ui
#define asn1_implicit_utf8_string_to_der(i,d,dlen,out,outlen) asn1_utf8_string_to_der_ex(ASN1_TAG_IMPLICIT(i),d,dlen,out,outlen)
#define asn1_implicit_utf8_string_from_der(i,d,dlen,in,inlen) asn1_utf8_string_from_der_ex(ASN1_TAG_IMPLICIT(i),d,dlen,in,inlen)
int asn1_string_is_printable_string(const char *d, size_t dlen);
int asn1_printable_string_case_ignore_match(const char *a, size_t alen, const char *b, size_t blen);
int asn1_printable_string_to_der_ex(int tag, const char *d, size_t dlen, uint8_t **out, size_t *outlen);
int asn1_printable_string_from_der_ex(int tag, const char **d, size_t *dlen, const uint8_t **in, size_t *inlen);
@@ -223,6 +248,7 @@ int asn1_printable_string_from_der_ex(int tag, const char **d, size_t *dlen, con
#define asn1_implicit_printable_string_to_der(i,d,dlen,out,outlen) asn1_printable_string_to_der_ex(ASN1_TAG_IMPLICIT(i),d,dlen,out,outlen)
#define asn1_implicit_printable_string_from_der(i,d,dlen,in,inlen) asn1_printable_string_from_der_ex(ASN1_TAG_IMPLICIT(i),d,dlen,in,inlen)
int asn1_string_is_ia5_string(const char *d, size_t dlen);
int asn1_ia5_string_to_der_ex(int tag, const char *d, size_t dlen, uint8_t **out, size_t *outlen);
int asn1_ia5_string_from_der_ex(int tag, const char **d, size_t *dlen, const uint8_t **in, size_t *inlen);
#define asn1_ia5_string_to_der(d,dlen,out,outlen) asn1_ia5_string_to_der_ex(ASN1_TAG_IA5String,d,dlen,out,outlen)
@@ -230,14 +256,10 @@ int asn1_ia5_string_from_der_ex(int tag, const char **d, size_t *dlen, const uin
#define asn1_implicit_ia5_string_to_der(i,d,dlen,out,outlen) asn1_ia5_string_to_der_ex(ASN1_TAG_IMPLICIT(i),d,dlen,out,outlen)
#define asn1_implicit_ia5_string_from_der(i,d,dlen,in,inlen) asn1_ia5_string_from_der_ex(ASN1_TAG_IMPLICIT(i),d,dlen,in,inlen)
int asn1_string_is_printable_string(const char *d, size_t dlen);
int asn1_string_is_ia5_string(const char *d, size_t dlen);
int asn1_string_is_utf8_string(const char *d, size_t dlen);
int asn1_string_print(FILE *fp, int fmt, int ind, const char *label, int tag, const uint8_t *d, size_t dlen);
#define ASN1_UTC_TIME_LEN (sizeof("YYMMDDHHMMSSZ")-1)
#define ASN1_GENERALIZED_TIME_LEN (sizeof("YYYYMMDDHHMMSSZ")-1)
#define ASN1_UTC_TIME_STRLEN (sizeof("YYMMDDHHMMSSZ")-1)
#define ASN1_GENERALIZED_TIME_STRLEN (sizeof("YYYYMMDDHHMMSSZ")-1)
int asn1_time_to_str(int utc_time, time_t timestamp, char *str);
int asn1_time_from_str(int utc_time, time_t *timestamp, const char *str);
@@ -256,9 +278,6 @@ int asn1_generalized_time_from_der_ex(int tag, time_t *tv, const uint8_t **in, s
#define asn1_implicit_generalized_time_to_der(i,tv,out,outlen) asn1_generalized_time_to_der_ex(ASN1_TAG_IMPLICIT(i),tv,out,outlen)
#define asn1_implicit_generalized_time_from_der(i,tv,in,inlen) asn1_generalized_time_from_der_ex(ASN1_TAG_IMPLICIT(i),tv,in,inlen)
int asn1_nonempty_type_to_der(int tag, const uint8_t *d, size_t dlen, uint8_t **out, size_t *outlen);
int asn1_nonempty_type_from_der(int tag, const uint8_t **d, size_t *dlen, const uint8_t **in, size_t *inlen);
#define asn1_sequence_to_der(d,dlen,out,outlen) asn1_nonempty_type_to_der(ASN1_TAG_SEQUENCE,d,dlen,out,outlen)
#define asn1_sequence_from_der(d,dlen,in,inlen) asn1_nonempty_type_from_der(ASN1_TAG_SEQUENCE,d,dlen,in,inlen)
#define asn1_implicit_sequence_to_der(i,d,dlen,out,outlen) asn1_nonempty_type_to_der(ASN1_TAG_EXPLICIT(i),d,dlen,out,outlen)
@@ -267,7 +286,7 @@ int asn1_nonempty_type_from_der(int tag, const uint8_t **d, size_t *dlen, const
#define asn1_sequence_of_to_der(d,dlen,out,outlen) asn1_nonempty_type_to_der(ASN1_TAG_SEQUENCE,d,dlen,out,outlen)
#define asn1_sequence_of_from_der(d,dlen,in,inlen) asn1_nonempty_type_from_der(ASN1_TAG_SEQUENCE,d,dlen,in,inlen)
int asn1_sequence_of_int_to_der(const int *nums, size_t nums_cnt, uint8_t **out, size_t *outlen);
int asn1_sequence_of_int_from_der(int *nums, size_t *nums_cnt, const uint8_t **in, size_t *inlen);
int asn1_sequence_of_int_from_der(int *nums, size_t *nums_cnt, size_t max_nums, const uint8_t **in, size_t *inlen);
int asn1_sequence_of_int_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
#define asn1_set_to_der(d,dlen,out,outlen) asn1_nonempty_type_to_der(ASN1_TAG_SET,d,dlen,out,outlen)
@@ -299,26 +318,11 @@ int asn1_header_to_der(int tag, size_t dlen, uint8_t **out, size_t *outlen);
// d,dlen 是 SEQUENCE OF, SET OF 中的值
int asn1_types_get_count(const uint8_t *d, size_t dlen, int tag, size_t *cnt);
int asn1_types_get_item_by_index(const uint8_t *d, size_t *dlen, int tag,
int asn1_types_get_item_by_index(const uint8_t *d, size_t dlen, int tag,
int index, const uint8_t **item_d, size_t *item_dlen);
typedef struct {
int oid;
char *name;
uint32_t *nodes;
size_t nodes_cnt;
int flags;
char *description;
} ASN1_OID_INFO;
const ASN1_OID_INFO *asn1_oid_info_from_name(const ASN1_OID_INFO *infos, size_t count, const char *name);
const ASN1_OID_INFO *asn1_oid_info_from_oid(const ASN1_OID_INFO *infos, size_t count, int oid);
int asn1_oid_info_from_der_ex(const ASN1_OID_INFO **info, uint32_t *nodes, size_t *nodes_cnt,
const ASN1_OID_INFO *infos, size_t count, const uint8_t **in, size_t *inlen);
int asn1_oid_info_from_der(const ASN1_OID_INFO **info,
const ASN1_OID_INFO *infos, size_t count, const uint8_t **in, size_t *inlen);
int asn1_check(int expr);