62 int asn1_get_next(const u8 *buf, size_t len, struct asn1_hdr *hdr);
63 void asn1_print_hdr(const struct asn1_hdr *hdr, const char *title);
64 void asn1_unexpected(const struct asn1_hdr *hdr, const char *title);
72 int asn1_get_sequence(const u8 *buf, size_t len, struct asn1_hdr *hdr,
88 static inline bool asn1_is_oid(const struct asn1_hdr *hdr)  in asn1_is_oid()  argument
90 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_oid()
91 		hdr->tag == ASN1_TAG_OID;  in asn1_is_oid()
94 static inline bool asn1_is_boolean(const struct asn1_hdr *hdr)  in asn1_is_boolean()  argument
96 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_boolean()
97 		hdr->tag == ASN1_TAG_BOOLEAN;  in asn1_is_boolean()
100 static inline bool asn1_is_integer(const struct asn1_hdr *hdr)  in asn1_is_integer()  argument
102 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_integer()
103 		hdr->tag == ASN1_TAG_INTEGER;  in asn1_is_integer()
106 static inline bool asn1_is_enumerated(const struct asn1_hdr *hdr)  in asn1_is_enumerated()  argument
108 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_enumerated()
109 		hdr->tag == ASN1_TAG_ENUMERATED;  in asn1_is_enumerated()
112 static inline bool asn1_is_sequence(const struct asn1_hdr *hdr)  in asn1_is_sequence()  argument
114 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_sequence()
115 		hdr->tag == ASN1_TAG_SEQUENCE;  in asn1_is_sequence()
118 static inline bool asn1_is_set(const struct asn1_hdr *hdr)  in asn1_is_set()  argument
120 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_set()
121 		hdr->tag == ASN1_TAG_SET;  in asn1_is_set()
124 static inline bool asn1_is_octetstring(const struct asn1_hdr *hdr)  in asn1_is_octetstring()  argument
126 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_octetstring()
127 		hdr->tag == ASN1_TAG_OCTETSTRING;  in asn1_is_octetstring()
130 static inline bool asn1_is_bitstring(const struct asn1_hdr *hdr)  in asn1_is_bitstring()  argument
132 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_bitstring()
133 		hdr->tag == ASN1_TAG_BITSTRING;  in asn1_is_bitstring()
136 static inline bool asn1_is_utctime(const struct asn1_hdr *hdr)  in asn1_is_utctime()  argument
138 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_utctime()
139 		hdr->tag == ASN1_TAG_UTCTIME;  in asn1_is_utctime()
142 static inline bool asn1_is_generalizedtime(const struct asn1_hdr *hdr)  in asn1_is_generalizedtime()  argument
144 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_generalizedtime()
145 		hdr->tag == ASN1_TAG_GENERALIZEDTIME;  in asn1_is_generalizedtime()
148 static inline bool asn1_is_string_type(const struct asn1_hdr *hdr)  in asn1_is_string_type()  argument
150 	if (hdr->class != ASN1_CLASS_UNIVERSAL || hdr->constructed)  in asn1_is_string_type()
152 	return hdr->tag == ASN1_TAG_UTF8STRING ||  in asn1_is_string_type()
153 		hdr->tag == ASN1_TAG_NUMERICSTRING ||  in asn1_is_string_type()
154 		hdr->tag == ASN1_TAG_PRINTABLESTRING ||  in asn1_is_string_type()
155 		hdr->tag == ASN1_TAG_T61STRING ||  in asn1_is_string_type()
156 		hdr->tag == ASN1_TAG_VIDEOTEXSTRING ||  in asn1_is_string_type()
157 		hdr->tag == ASN1_TAG_IA5STRING ||  in asn1_is_string_type()
158 		hdr->tag == ASN1_TAG_GRAPHICSTRING ||  in asn1_is_string_type()
159 		hdr->tag == ASN1_TAG_VISIBLESTRING ||  in asn1_is_string_type()
160 		hdr->tag == ASN1_TAG_GENERALSTRING ||  in asn1_is_string_type()
161 		hdr->tag == ASN1_TAG_UNIVERSALSTRING ||  in asn1_is_string_type()
162 		hdr->tag == ASN1_TAG_CHARACTERSTRING ||  in asn1_is_string_type()
163 		hdr->tag == ASN1_TAG_BMPSTRING;  in asn1_is_string_type()
166 static inline bool asn1_is_bmpstring(const struct asn1_hdr *hdr)  in asn1_is_bmpstring()  argument
168 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_bmpstring()
169 		hdr->tag == ASN1_TAG_BMPSTRING;  in asn1_is_bmpstring()
172 static inline bool asn1_is_utf8string(const struct asn1_hdr *hdr)  in asn1_is_utf8string()  argument
174 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_utf8string()
175 		hdr->tag == ASN1_TAG_UTF8STRING;  in asn1_is_utf8string()
178 static inline bool asn1_is_null(const struct asn1_hdr *hdr)  in asn1_is_null()  argument
180 	return hdr->class == ASN1_CLASS_UNIVERSAL &&  in asn1_is_null()
181 		hdr->tag == ASN1_TAG_NULL;  in asn1_is_null()
184 static inline bool asn1_is_cs_tag(const struct asn1_hdr *hdr, unsigned int tag)  in asn1_is_cs_tag()  argument
186 	return hdr->class == ASN1_CLASS_CONTEXT_SPECIFIC &&  in asn1_is_cs_tag()
187 		hdr->tag == tag;  in asn1_is_cs_tag()