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/*
* EAC ASN.1 Objects
* (C) 2007-2008 FlexSecure GmbH
* 2008-2010 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_EAC_ASN1_OBJ_H__
#define BOTAN_EAC_ASN1_OBJ_H__
#include <botan/asn1_obj.h>
#include <chrono>
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 m_year; }
/**
* Get the month value of this objects.
* @return month value
*/
u32bit get_month() const { return m_month; }
/**
* Get the day value of this objects.
* @return day value
*/
u32bit get_day() const { return m_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 m_year, m_month, m_day;
ASN1_Tag m_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 m_iso_8859_str;
ASN1_Tag m_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
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