1 // Copyright 2020 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #ifndef DICE_UTILS_H_ 16 #define DICE_UTILS_H_ 17 18 #include <stddef.h> 19 #include <stdint.h> 20 21 #include "dice/dice.h" 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 // Converts arbitrary bytes to ascii hex, no NUL terminator is added. Up to 28 // |num_bytes| from |in| will be converted, and up to |out_size| bytes will be 29 // written to |out|. If |out_size| is less than |num_bytes| * 2, the output will 30 // be truncated at |out_size|. 31 void DiceHexEncode(const uint8_t* in, size_t num_bytes, void* out, 32 size_t out_size); 33 34 #ifdef __cplusplus 35 } // extern "C" 36 #endif 37 38 #endif // DICE_UTILS_H_ 39