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 namespace bssl::der { 14 15 struct GeneralizedTime; 16 17 // Encodes |posix_time|, a posix time in seconds, to DER |generalized_time|, for 18 // comparing against other GeneralizedTime objects, returning true on success or 19 // false if |posix_time| is outside of the range from year 0000 to 9999. 20 OPENSSL_EXPORT bool EncodePosixTimeAsGeneralizedTime( 21 int64_t posix_time, GeneralizedTime *generalized_time); 22 23 // Converts a GeneralizedTime struct to a posix time in seconds in |result|, 24 // returning true on success or false if |generalized| was invalid or cannot be 25 // represented as a posix time in the range from the year 0000 to 9999. 26 OPENSSL_EXPORT bool GeneralizedTimeToPosixTime( 27 const der::GeneralizedTime &generalized, int64_t *result); 28 29 static const size_t kGeneralizedTimeLength = 15; 30 31 // Encodes |time| to |out| as a DER GeneralizedTime value. Returns true on 32 // success and false on error. 33 OPENSSL_EXPORT bool EncodeGeneralizedTime(const GeneralizedTime &time, 34 uint8_t out[kGeneralizedTimeLength]); 35 36 static const size_t kUTCTimeLength = 13; 37 38 // Encodes |time| to |out| as a DER UTCTime value. Returns true on success and 39 // false on error. 40 OPENSSL_EXPORT bool EncodeUTCTime(const GeneralizedTime &time, 41 uint8_t out[kUTCTimeLength]); 42 43 } // namespace bssl::der 44 45 #endif // BSSL_DER_ENCODE_VALUES_H_ 46