1 // Copyright 2016 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BSSL_DER_ENCODE_VALUES_H_ 6 #define BSSL_DER_ENCODE_VALUES_H_ 7 8 #include <stddef.h> 9 #include <stdint.h> 10 11 #include <openssl/base.h> 12 13 BSSL_NAMESPACE_BEGIN 14 namespace der { 15 16 struct GeneralizedTime; 17 18 // Encodes |posix_time|, a posix time in seconds, to DER |generalized_time|, for 19 // comparing against other GeneralizedTime objects, returning true on success or 20 // false if |posix_time| is outside of the range from year 0000 to 9999. 21 OPENSSL_EXPORT bool EncodePosixTimeAsGeneralizedTime( 22 int64_t posix_time, GeneralizedTime *generalized_time); 23 24 // Converts a GeneralizedTime struct to a posix time in seconds in |result|, 25 // returning true on success or false if |generalized| was invalid or cannot be 26 // represented as a posix time in the range from the year 0000 to 9999. 27 OPENSSL_EXPORT bool GeneralizedTimeToPosixTime( 28 const der::GeneralizedTime &generalized, int64_t *result); 29 30 static const size_t kGeneralizedTimeLength = 15; 31 32 // Encodes |time| to |out| as a DER GeneralizedTime value. Returns true on 33 // success and false on error. 34 OPENSSL_EXPORT bool EncodeGeneralizedTime(const GeneralizedTime &time, 35 uint8_t out[kGeneralizedTimeLength]); 36 37 static const size_t kUTCTimeLength = 13; 38 39 // Encodes |time| to |out| as a DER UTCTime value. Returns true on success and 40 // false on error. 41 OPENSSL_EXPORT bool EncodeUTCTime(const GeneralizedTime &time, 42 uint8_t out[kUTCTimeLength]); 43 44 } // namespace der 45 BSSL_NAMESPACE_END 46 47 #endif // BSSL_DER_ENCODE_VALUES_H_ 48