Botan::ASN1_Ced Class Reference

#include <eac_asn_obj.h>

Inheritance diagram for Botan::ASN1_Ced:

List of all members.

Public Member Functions
void	add_months (u32bit months)
void	add_years (u32bit years)
std::string	as_string () const
	ASN1_Ced (EAC_Time const &other)
	ASN1_Ced (u64bit time)
	ASN1_Ced (std::string const &str="")
s32bit	cmp (const EAC_Time &other) const
void	decode_from (class BER_Decoder &)
void	encode_into (class DER_Encoder &) const
u32bit	get_day () const
u32bit	get_month () const
u32bit	get_year () const
std::string	readable_string () const
void	set_to (const std::string &str)
bool	time_is_set () const

---

Detailed Description

This class represents CVC CEDs. Only limited sanity checks of the inputted date value are performed.

Definition at line 108 of file eac_asn_obj.h.

---

Constructor & Destructor Documentation

Botan::ASN1_Ced::ASN1_Ced

(

std::string const &

str = ""

)

Construct a CED from a string value.

Parameters:

str

a string in the format "yyyy mm dd", e.g. "2007 08 01"

Definition at line 309 of file asn1_eac_tm.cpp.

   : EAC_Time(str, ASN1_Tag(37))
   {}

Botan::ASN1_Ced::ASN1_Ced

(

u64bit

time

)

Construct a CED from a timer value.

Parameters:

time

the number of seconds elapsed midnight, 1st January 1970 GMT (or 7pm, 31st December 1969 EST) up to the desired date

Definition at line 313 of file asn1_eac_tm.cpp.

   : EAC_Time(val, ASN1_Tag(37))
   {}

Botan::ASN1_Ced::ASN1_Ced

(

EAC_Time const &

other

)

Copy constructor (for general EAC_Time objects).

Parameters:

other

the object to copy from

Definition at line 317 of file asn1_eac_tm.cpp.

   : EAC_Time(other.get_year(), other.get_month(), other.get_day(), ASN1_Tag(37))
   {}

---

Member Function Documentation

void Botan::EAC_Time::add_months

(

u32bit

months

)

[inherited]

Add the specified number of months to this.

Parameters:

months

the number of months to add

Definition at line 193 of file asn1_eac_tm.cpp.

Referenced by Botan::DE_EAC::create_cvca(), and Botan::DE_EAC::sign_request().

   {
   year += months/12;
   month += months % 12;
   if(month > 12)
      {
      year += 1;
      month -= 12;
      }
   }

void Botan::EAC_Time::add_years

(

u32bit

years

)

[inherited]

Add the specified number of years to this.

Parameters:

years

the number of years to add

Definition at line 189 of file asn1_eac_tm.cpp.

   {
   year += years;
   }

std::string Botan::EAC_Time::as_string

(

)

const [inherited]

Get a this objects value as a string.

Returns:

date string

Definition at line 133 of file asn1_eac_tm.cpp.

References Botan::EAC_Time::time_is_set(), and Botan::to_string().

Referenced by Botan::DE_EAC::link_cvca().

   {
   if (time_is_set() == false)
      throw Invalid_State("EAC_Time::as_string: No time set");

   std::string asn1rep;
   asn1rep = to_string(year, 2);

   asn1rep += to_string(month, 2) + to_string(day, 2);

   return asn1rep;
   }

s32bit Botan::EAC_Time::cmp

(

const EAC_Time &

other

)

const [inherited]

Compare this to another EAC_Time object.

Returns:

-1 if this object's date is earlier than other, +1 in the opposite case, and 0 if both dates are equal.

Definition at line 208 of file asn1_eac_tm.cpp.

References Botan::EAC_Time::day, Botan::EAC_Time::month, Botan::EAC_Time::time_is_set(), and Botan::EAC_Time::year.

Referenced by Botan::operator!=(), Botan::operator<(), Botan::operator<=(), Botan::operator==(), Botan::operator>(), and Botan::operator>=().

   {
   if (time_is_set() == false)
      throw Invalid_State("EAC_Time::cmp: No time set");

   const s32bit EARLIER = -1, LATER = 1, SAME_TIME = 0;

   if (year < other.year)     return EARLIER;
   if (year > other.year)     return LATER;
   if (month < other.month)   return EARLIER;
   if (month > other.month)   return LATER;
   if (day < other.day)       return EARLIER;
   if (day > other.day)       return LATER;

   return SAME_TIME;
   }

void Botan::EAC_Time::decode_from

(

class BER_Decoder &

from

)

[virtual, inherited]

Decode whatever this object is from from

Parameters:

from

the BER_Decoder that will be read from

Implements Botan::ASN1_Object.

Definition at line 256 of file asn1_eac_tm.cpp.

References Botan::BER_Decoder::get_next_object(), Botan::MemoryRegion< T >::size(), Botan::BER_Object::type_tag, and Botan::BER_Object::value.

   {
   BER_Object obj = source.get_next_object();

   if(obj.type_tag != this->tag)
      throw BER_Decoding_Error("Tag mismatch when decoding");

   if(obj.value.size() != 6)
      {
      throw Decoding_Error("EAC_Time decoding failed");
      }

   try
      {
      u32bit tmp_year = dec_two_digit(obj.value[0], obj.value[1]);
      u32bit tmp_mon = dec_two_digit(obj.value[2], obj.value[3]);
      u32bit tmp_day = dec_two_digit(obj.value[4], obj.value[5]);
      year = tmp_year + 2000;
      month = tmp_mon;
      day = tmp_day;
      }
   catch (Invalid_Argument)
      {
      throw Decoding_Error("EAC_Time decoding failed");
      }

   }

void Botan::EAC_Time::encode_into

(

class DER_Encoder &

to

)

const [virtual, inherited]

Encode whatever this object is into to

Parameters:

to

the DER_Encoder that will be written to

Implements Botan::ASN1_Object.

Definition at line 124 of file asn1_eac_tm.cpp.

References Botan::DER_Encoder::add_object(), and Botan::APPLICATION.

   {
   der.add_object(tag, APPLICATION,
                  encoded_eac_time());
   }

u32bit Botan::EAC_Time::get_day

(

)

const [inherited]

Get the day value of this objects.

Returns:

day value

Definition at line 292 of file asn1_eac_tm.cpp.

   {
   return day;
   }

u32bit Botan::EAC_Time::get_month

(

)

const [inherited]

Get the month value of this objects.

Returns:

month value

Definition at line 288 of file asn1_eac_tm.cpp.

   {
   return month;
   }

u32bit Botan::EAC_Time::get_year

(

)

const [inherited]

Get the year value of this objects.

Returns:

year value

Definition at line 284 of file asn1_eac_tm.cpp.

   {
   return year;
   }

std::string Botan::EAC_Time::readable_string

(

)

const [inherited]

Get a this objects value as a readable formatted string.

Returns:

date string

Definition at line 157 of file asn1_eac_tm.cpp.

References Botan::EAC_Time::time_is_set(), and Botan::to_string().

   {
   if (time_is_set() == false)
      throw Invalid_State("EAC_Time::readable_string: No time set");

   std::string readable;
   readable += to_string(year,     2) + "/";
   readable += to_string(month,    2) + "/";
   readable += to_string(day,      2) + " ";

   return readable;
   }

void Botan::EAC_Time::set_to

(

const std::string &

str

)

[inherited]

Set this' value by a string value.

Parameters:

str

a string in the format "yyyy mm dd", e.g. "2007 08 01"

Definition at line 84 of file asn1_eac_tm.cpp.

References Botan::Charset::is_digit(), and Botan::to_u32bit().

Referenced by Botan::EAC_Time::EAC_Time().

   {
   if (time_str == "")
      {
      year = month = day = 0;
      return;
      }

   std::vector<std::string> params;
   std::string current;

   for (u32bit j = 0; j != time_str.size(); ++j)
      {
      if (Charset::is_digit(time_str[j]))
         current += time_str[j];
      else
         {
         if (current != "")
            params.push_back(current);
         current.clear();
         }
      }
   if (current != "")
      params.push_back(current);

   if (params.size() != 3)
      throw Invalid_Argument("Invalid time specification " + time_str);

   year   = to_u32bit(params[0]);
   month  = to_u32bit(params[1]);
   day    = to_u32bit(params[2]);

   if (!passes_sanity_check())
      throw Invalid_Argument("Invalid time specification " + time_str);
   }

bool Botan::EAC_Time::time_is_set

(

)

const [inherited]

Find out whether this object's values have been set.

Returns:

true if this object's internal values are set

Definition at line 149 of file asn1_eac_tm.cpp.

Referenced by Botan::EAC_Time::as_string(), Botan::EAC_Time::cmp(), and Botan::EAC_Time::readable_string().

   {
   return (year != 0);
   }

---

The documentation for this class was generated from the following files:

• src/cert/cvc/eac_asn_obj.h
• src/cert/cvc/asn1_eac_tm.cpp