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Diffstat (limited to 'include/asn1_obj.h')
| -rw-r--r-- | include/asn1_obj.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/include/asn1_obj.h b/include/asn1_obj.h new file mode 100644 index 000000000..c36c2ac14 --- /dev/null +++ b/include/asn1_obj.h @@ -0,0 +1,209 @@ +/************************************************* +* Common ASN.1 Objects Header File * +* (C) 1999-2006 The Botan Project * +*************************************************/ + +#ifndef BOTAN_ASN1_OBJ_H__ +#define BOTAN_ASN1_OBJ_H__ + +#include <botan/asn1_int.h> +#include <botan/der_enc.h> +#include <botan/ber_dec.h> +#include <map> +#include <vector> + +namespace Botan { + +/************************************************* +* Algorithm Identifier * +*************************************************/ +class AlgorithmIdentifier : public ASN1_Object + { + public: + void encode_into(DER_Encoder&) const; + + AlgorithmIdentifier() {} + AlgorithmIdentifier(const OID&, const MemoryRegion<byte>&); + AlgorithmIdentifier(const std::string&, const MemoryRegion<byte>&); + public: + OID oid; + SecureVector<byte> parameters; + }; + +/************************************************* +* Extension * +*************************************************/ +class Extension : public ASN1_Object + { + public: + bool critical; + OID oid; + SecureVector<byte> value; + + void encode_into(DER_Encoder&) const; + + Extension() { critical = false; } + Extension(const OID&, const MemoryRegion<byte>&); + Extension(const std::string&, const MemoryRegion<byte>&); + }; + +/************************************************* +* Attribute * +*************************************************/ +class Attribute : public ASN1_Object + { + public: + void encode_into(DER_Encoder&) const; + + OID oid; + SecureVector<byte> parameters; + + Attribute() {} + Attribute(const OID&, const MemoryRegion<byte>&); + Attribute(const std::string&, const MemoryRegion<byte>&); + }; + +/************************************************* +* X.509 Time * +*************************************************/ +class X509_Time : public ASN1_Object + { + public: + void encode_into(DER_Encoder&) const; + + std::string as_string() const; + std::string readable_string() const; + bool time_is_set() const; + + s32bit cmp(const X509_Time&) const; + + X509_Time(u64bit); + X509_Time(const std::string& = ""); + X509_Time(const std::string&, ASN1_Tag); + private: + bool passes_sanity_check() const; + u32bit year, month, day, hour, minute, second; + ASN1_Tag tag; + }; + +/************************************************* +* Simple String * +*************************************************/ +class ASN1_String : public ASN1_Object + { + public: + void encode_into(DER_Encoder&) const; + + std::string value() const; + std::string iso_8859() const; + + ASN1_Tag tagging() const; + + ASN1_String(const std::string& = ""); + ASN1_String(const std::string&, ASN1_Tag); + private: + std::string iso_8859_str; + ASN1_Tag tag; + }; + +/************************************************* +* Distinguished Name * +*************************************************/ +class X509_DN : public ASN1_Object + { + public: + void encode_into(DER_Encoder&) const; + + std::multimap<OID, std::string> get_attributes() const; + std::vector<std::string> get_attribute(const std::string&) const; + + void add_attribute(const std::string&, const std::string&); + void add_attribute(const OID&, const std::string&); + + static std::string deref_info_field(const std::string&); + + void do_decode(const MemoryRegion<byte>&); + SecureVector<byte> get_bits() const; + + X509_DN(); + X509_DN(const std::multimap<OID, std::string>&); + X509_DN(const std::multimap<std::string, std::string>&); + private: + std::multimap<OID, ASN1_String> dn_info; + SecureVector<byte> dn_bits; + }; + +/************************************************* +* Alternative Name * +*************************************************/ +class AlternativeName : public ASN1_Object + { + public: + void encode_into(DER_Encoder&) const; + + void add_attribute(const std::string&, const std::string&); + std::multimap<std::string, std::string> get_attributes() const; + + void add_othername(const OID&, const std::string&, ASN1_Tag); + std::multimap<OID, ASN1_String> get_othernames() const; + + bool has_items() const; + + AlternativeName(const std::string& = "", const std::string& = "", + const std::string& = ""); + private: + std::multimap<std::string, std::string> alt_info; + std::multimap<OID, ASN1_String> othernames; + }; + +/************************************************* +* Comparison Operations * +*************************************************/ +bool operator==(const AlgorithmIdentifier&, const AlgorithmIdentifier&); +bool operator!=(const AlgorithmIdentifier&, const AlgorithmIdentifier&); + +bool operator==(const X509_Time&, const X509_Time&); +bool operator!=(const X509_Time&, const X509_Time&); +bool operator<=(const X509_Time&, const X509_Time&); +bool operator>=(const X509_Time&, const X509_Time&); + +bool operator==(const X509_DN&, const X509_DN&); +bool operator!=(const X509_DN&, const X509_DN&); +bool operator<(const X509_DN&, const X509_DN&); + +s32bit validity_check(const X509_Time&, const X509_Time&, u64bit); + +bool is_string_type(ASN1_Tag); + +/************************************************* +* DER Encoding Functions * +*************************************************/ +namespace DER { + +//void encode(DER_Encoder&, const Attribute&); +//void encode(DER_Encoder&, const ASN1_String&); +void encode(DER_Encoder&, const ASN1_String&, + ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC); + +} + +/************************************************* +* BER Decoding Functions * +*************************************************/ +namespace BER { + +void decode(BER_Decoder&, AlgorithmIdentifier&); +void decode(BER_Decoder&, Extension&); +void decode(BER_Decoder&, Attribute&); +void decode(BER_Decoder&, X509_Time&); +void decode(BER_Decoder&, ASN1_String&); +void decode(BER_Decoder&, ASN1_String&, ASN1_Tag, ASN1_Tag); +void decode(BER_Decoder&, X509_DN&); +void decode(BER_Decoder&, AlternativeName&); +void decode(BER_Decoder&, Key_Constraints&); + +} + +} + +#endif |