1 // Copyright 2019 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 BASE_HASH_MD5_CONSTEXPR_H_ 6 #define BASE_HASH_MD5_CONSTEXPR_H_ 7 8 #include "base/hash/md5_constexpr_internal.h" 9 10 namespace base { 11 12 // Calculates the first 32/64 bits of the MD5 digest of the provided data, 13 // returned as a uint32_t/uint64_t. When passing |string| with no explicit 14 // length the terminating null will not be processed. This abstracts away 15 // endianness so that the integer will read as the first 4 or 8 bytes of the 16 // MD5 sum, ensuring that the following outputs are equivalent for 17 // convenience: 18 // 19 // printf("%08x\n", MD5Hash32Constexpr("foo")); 20 constexpr uint64_t MD5Hash64Constexpr(const char* string); 21 constexpr uint64_t MD5Hash64Constexpr(const char* data, uint32_t length); 22 constexpr uint32_t MD5Hash32Constexpr(const char* string); 23 constexpr uint32_t MD5Hash32Constexpr(const char* data, uint32_t length); 24 25 } // namespace base 26 27 #endif // BASE_HASH_MD5_CONSTEXPR_H_ 28