diff options
Diffstat (limited to 'src/lib/cert/cvc/eac_asn_obj.h')
| -rw-r--r-- | src/lib/cert/cvc/eac_asn_obj.h | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/src/lib/cert/cvc/eac_asn_obj.h b/src/lib/cert/cvc/eac_asn_obj.h new file mode 100644 index 000000000..ab8536e45 --- /dev/null +++ b/src/lib/cert/cvc/eac_asn_obj.h @@ -0,0 +1,238 @@ +/* +* EAC ASN.1 Objects +* (C) 2007-2008 FlexSecure GmbH +* 2008-2010 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_EAC_ASN1_OBJ_H__ +#define BOTAN_EAC_ASN1_OBJ_H__ + +#include <botan/asn1_obj.h> + +namespace Botan { + +/** +* This class represents CVC EAC Time objects. +* It only models year, month and day. Only limited sanity checks of +* the inputted date value are performed. +*/ +class BOTAN_DLL EAC_Time : public ASN1_Object + { + public: + void encode_into(class DER_Encoder&) const; + void decode_from(class BER_Decoder&); + + /** + * Get a this objects value as a string. + * @return date string + */ + std::string as_string() const; + + /** + * Get a this objects value as a readable formatted string. + * @return date string + */ + std::string readable_string() const; + + /** + * Find out whether this object's values have been set. + * @return true if this object's internal values are set + */ + bool time_is_set() const; + + /** + * Compare this to another EAC_Time object. + * @return -1 if this object's date is earlier than + * other, +1 in the opposite case, and 0 if both dates are + * equal. + */ + s32bit cmp(const EAC_Time& other) const; + + /** + * Set this' value by a string value. + * @param str a string in the format "yyyy mm dd", + * e.g. "2007 08 01" + */ + void set_to(const std::string& str); + + /** + * Add the specified number of years to this. + * @param years the number of years to add + */ + void add_years(u32bit years); + + /** + * Add the specified number of months to this. + * @param months the number of months to add + */ + void add_months(u32bit months); + + /** + * Get the year value of this objects. + * @return year value + */ + u32bit get_year() const { return year; } + + /** + * Get the month value of this objects. + * @return month value + */ + u32bit get_month() const { return month; } + + /** + * Get the day value of this objects. + * @return day value + */ + u32bit get_day() const { return day; } + + EAC_Time(const std::chrono::system_clock::time_point& time, + ASN1_Tag tag = ASN1_Tag(0)); + + EAC_Time(const std::string& yyyy_mm_dd, + ASN1_Tag tag = ASN1_Tag(0)); + + EAC_Time(u32bit year, u32bit month, u32bit day, + ASN1_Tag tag = ASN1_Tag(0)); + + virtual ~EAC_Time() {} + private: + std::vector<byte> encoded_eac_time() const; + bool passes_sanity_check() const; + u32bit year, month, day; + ASN1_Tag tag; + }; + +/** +* This class represents CVC CEDs. Only limited sanity checks of +* the inputted date value are performed. +*/ +class BOTAN_DLL ASN1_Ced : public EAC_Time + { + public: + /** + * Construct a CED from a string value. + * @param str a string in the format "yyyy mm dd", + * e.g. "2007 08 01" + */ + ASN1_Ced(const std::string& str = "") : + EAC_Time(str, ASN1_Tag(37)) {} + + /** + * Construct a CED from a time point + */ + ASN1_Ced(const std::chrono::system_clock::time_point& time) : + EAC_Time(time, ASN1_Tag(37)) {} + + /** + * Copy constructor (for general EAC_Time objects). + * @param other the object to copy from + */ + ASN1_Ced(const EAC_Time& other) : + EAC_Time(other.get_year(), other.get_month(), other.get_day(), + ASN1_Tag(37)) + {} + }; + +/** +* This class represents CVC CEXs. Only limited sanity checks of +* the inputted date value are performed. +*/ +class BOTAN_DLL ASN1_Cex : public EAC_Time + { + public: + /** + * Construct a CEX from a string value. + * @param str a string in the format "yyyy mm dd", + * e.g. "2007 08 01" + */ + ASN1_Cex(const std::string& str = "") : + EAC_Time(str, ASN1_Tag(36)) {} + + ASN1_Cex(const std::chrono::system_clock::time_point& time) : + EAC_Time(time, ASN1_Tag(36)) {} + + ASN1_Cex(const EAC_Time& other) : + EAC_Time(other.get_year(), other.get_month(), other.get_day(), + ASN1_Tag(36)) + {} + }; + +/** +* Base class for car/chr of cv certificates. +*/ +class BOTAN_DLL ASN1_EAC_String: public ASN1_Object + { + public: + void encode_into(class DER_Encoder&) const; + void decode_from(class BER_Decoder&); + + /** + * Get this objects string value. + * @return string value + */ + std::string value() const; + + /** + * Get this objects string value. + * @return string value in iso8859 encoding + */ + std::string iso_8859() const; + + ASN1_Tag tagging() const; + ASN1_EAC_String(const std::string& str, ASN1_Tag the_tag); + + virtual ~ASN1_EAC_String() {} + protected: + bool sanity_check() const; + private: + std::string iso_8859_str; + ASN1_Tag tag; + }; + +/** +* This class represents CARs of CVCs. (String tagged with 2) +*/ +class BOTAN_DLL ASN1_Car : public ASN1_EAC_String + { + public: + /** + * Create a CAR with the specified content. + * @param str the CAR value + */ + ASN1_Car(std::string const& str = ""); + }; + +/** +* This class represents CHRs of CVCs (tag 32) +*/ +class BOTAN_DLL ASN1_Chr : public ASN1_EAC_String + { + public: + /** + * Create a CHR with the specified content. + * @param str the CHR value + */ + ASN1_Chr(std::string const& str = ""); + }; + +/* +* Comparison Operations +*/ +bool BOTAN_DLL operator==(const EAC_Time&, const EAC_Time&); +bool BOTAN_DLL operator!=(const EAC_Time&, const EAC_Time&); +bool BOTAN_DLL operator<=(const EAC_Time&, const EAC_Time&); +bool BOTAN_DLL operator>=(const EAC_Time&, const EAC_Time&); +bool BOTAN_DLL operator>(const EAC_Time&, const EAC_Time&); +bool BOTAN_DLL operator<(const EAC_Time&, const EAC_Time&); + +bool BOTAN_DLL operator==(const ASN1_EAC_String&, const ASN1_EAC_String&); +inline bool operator!=(const ASN1_EAC_String& lhs, const ASN1_EAC_String& rhs) + { + return !(lhs == rhs); + } + +} + +#endif |