Botan
1.11.15
|
#include <asn1_time.h>
Public Member Functions | |
std::string | as_string () const |
s32bit | cmp (const X509_Time &) const |
void | decode_from (class BER_Decoder &) |
void | encode_into (class DER_Encoder &) const |
std::string | readable_string () const |
void | set_to (const std::string &) |
void | set_to (const std::string &, ASN1_Tag) |
bool | time_is_set () const |
std::string | to_string () const |
X509_Time (const std::chrono::system_clock::time_point &time) | |
X509_Time (const std::string &="") | |
X509_Time (const std::string &, ASN1_Tag) |
X.509 Time
Definition at line 19 of file asn1_time.h.
Botan::X509_Time::X509_Time | ( | const std::chrono::system_clock::time_point & | time | ) |
Definition at line 28 of file asn1_time.cpp.
References Botan::calendar_value(), Botan::calendar_point::day, Botan::GENERALIZED_TIME, Botan::calendar_point::hour, Botan::calendar_point::minutes, Botan::calendar_point::month, Botan::calendar_point::seconds, Botan::UTC_TIME, and Botan::calendar_point::year.
{ calendar_point cal = calendar_value(time); year = cal.year; month = cal.month; day = cal.day; hour = cal.hour; minute = cal.minutes; second = cal.seconds; tag = (year >= 2050) ? GENERALIZED_TIME : UTC_TIME; }
Botan::X509_Time::X509_Time | ( | const std::string & | time_str = "" | ) |
Botan::X509_Time::X509_Time | ( | const std::string & | t_spec, |
ASN1_Tag | t | ||
) |
std::string Botan::X509_Time::as_string | ( | ) | const |
Definition at line 186 of file asn1_time.cpp.
References readable_string(), time_is_set(), to_string(), and Botan::UTC_TIME.
Referenced by encode_into().
{ if(time_is_set() == false) throw Invalid_State("X509_Time::as_string: No time set"); u32bit full_year = year; if(tag == UTC_TIME) { if(year < 1950 || year >= 2050) throw Encoding_Error("X509_Time: The time " + readable_string() + " cannot be encoded as a UTCTime"); full_year = (year >= 2000) ? (year - 2000) : (year - 1900); } std::string repr = std::to_string(full_year*10000000000 + month*100000000 + day*1000000 + hour*10000 + minute*100 + second) + "Z"; u32bit desired_size = (tag == UTC_TIME) ? 13 : 15; while(repr.size() < desired_size) repr = "0" + repr; return repr; }
s32bit Botan::X509_Time::cmp | ( | const X509_Time & | other | ) | const |
Definition at line 262 of file asn1_time.cpp.
References time_is_set().
Referenced by Botan::operator!=(), Botan::operator<(), Botan::operator<=(), Botan::operator==(), Botan::operator>(), and Botan::operator>=().
{ if(time_is_set() == false) throw Invalid_State("X509_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; if(hour < other.hour) return EARLIER; if(hour > other.hour) return LATER; if(minute < other.minute) return EARLIER; if(minute > other.minute) return LATER; if(second < other.second) return EARLIER; if(second > other.second) return LATER; return SAME_TIME; }
void Botan::X509_Time::decode_from | ( | class BER_Decoder & | from | ) | [virtual] |
Decode whatever this object is from from
from | the BER_Decoder that will be read from |
Implements Botan::ASN1_Object.
Definition at line 173 of file asn1_time.cpp.
References Botan::BER_Decoder::get_next_object(), Botan::LATIN1_CHARSET, Botan::LOCAL_CHARSET, set_to(), Botan::ASN1::to_string(), Botan::Charset::transcode(), and Botan::BER_Object::type_tag.
{ BER_Object ber_time = source.get_next_object(); set_to(Charset::transcode(ASN1::to_string(ber_time), LATIN1_CHARSET, LOCAL_CHARSET), ber_time.type_tag); }
void Botan::X509_Time::encode_into | ( | class DER_Encoder & | to | ) | const [virtual] |
Encode whatever this object is into to
to | the DER_Encoder that will be written to |
Implements Botan::ASN1_Object.
Definition at line 159 of file asn1_time.cpp.
References Botan::DER_Encoder::add_object(), as_string(), Botan::GENERALIZED_TIME, Botan::LATIN1_CHARSET, Botan::LOCAL_CHARSET, Botan::Charset::transcode(), Botan::UNIVERSAL, and Botan::UTC_TIME.
{ if(tag != GENERALIZED_TIME && tag != UTC_TIME) throw Invalid_Argument("X509_Time: Bad encoding tag"); der.add_object(tag, UNIVERSAL, Charset::transcode(as_string(), LOCAL_CHARSET, LATIN1_CHARSET)); }
std::string Botan::X509_Time::readable_string | ( | ) | const |
Definition at line 228 of file asn1_time.cpp.
References time_is_set().
Referenced by as_string().
{ if(time_is_set() == false) throw Invalid_State("X509_Time::readable_string: No time set"); std::string output(24, 0); std::sprintf(&output[0], "%04d/%02d/%02d %02d:%02d:%02d UTC", year, month, day, hour, minute, second); output.resize(23); // remove trailing null return output; }
void Botan::X509_Time::set_to | ( | const std::string & | time_str | ) |
Definition at line 53 of file asn1_time.cpp.
References Botan::GENERALIZED_TIME, Botan::Charset::is_digit(), Botan::NO_OBJECT, Botan::to_u32bit(), and Botan::UTC_TIME.
Referenced by decode_from(), and X509_Time().
{ if(time_str == "") { year = month = day = hour = minute = second = 0; tag = NO_OBJECT; return; } std::vector<std::string> params; std::string current; for(size_t 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 || params.size() > 6) throw Invalid_Argument("Invalid time specification " + time_str); year = to_u32bit(params[0]); month = to_u32bit(params[1]); day = to_u32bit(params[2]); hour = (params.size() >= 4) ? to_u32bit(params[3]) : 0; minute = (params.size() >= 5) ? to_u32bit(params[4]) : 0; second = (params.size() == 6) ? to_u32bit(params[5]) : 0; tag = (year >= 2050) ? GENERALIZED_TIME : UTC_TIME; if(!passes_sanity_check()) throw Invalid_Argument("Invalid time specification " + time_str); }
void Botan::X509_Time::set_to | ( | const std::string & | t_spec, |
ASN1_Tag | spec_tag | ||
) |
Definition at line 98 of file asn1_time.cpp.
References Botan::GENERALIZED_TIME, Botan::ASN1::to_string(), Botan::to_u32bit(), and Botan::UTC_TIME.
{ if(spec_tag == GENERALIZED_TIME) { if(t_spec.size() != 13 && t_spec.size() != 15) throw Invalid_Argument("Invalid GeneralizedTime: " + t_spec); } else if(spec_tag == UTC_TIME) { if(t_spec.size() != 11 && t_spec.size() != 13) throw Invalid_Argument("Invalid UTCTime: " + t_spec); } else { throw Invalid_Argument("Invalid time tag " + std::to_string(spec_tag) + " val " + t_spec); } if(t_spec[t_spec.size()-1] != 'Z') throw Invalid_Argument("Invalid time encoding: " + t_spec); const size_t YEAR_SIZE = (spec_tag == UTC_TIME) ? 2 : 4; std::vector<std::string> params; std::string current; for(size_t j = 0; j != YEAR_SIZE; ++j) current += t_spec[j]; params.push_back(current); current.clear(); for(size_t j = YEAR_SIZE; j != t_spec.size() - 1; ++j) { current += t_spec[j]; if(current.size() == 2) { params.push_back(current); current.clear(); } } year = to_u32bit(params[0]); month = to_u32bit(params[1]); day = to_u32bit(params[2]); hour = to_u32bit(params[3]); minute = to_u32bit(params[4]); second = (params.size() == 6) ? to_u32bit(params[5]) : 0; tag = spec_tag; if(spec_tag == UTC_TIME) { if(year >= 50) year += 1900; else year += 2000; } if(!passes_sanity_check()) throw Invalid_Argument("Invalid time specification " + t_spec); }
bool Botan::X509_Time::time_is_set | ( | ) | const |
Definition at line 220 of file asn1_time.cpp.
Referenced by as_string(), cmp(), and readable_string().
{
return (year != 0);
}
std::string Botan::X509_Time::to_string | ( | ) | const [inline] |