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Diffstat (limited to 'icnet/utils/icnet_utils_hash.h')
-rw-r--r-- | icnet/utils/icnet_utils_hash.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/icnet/utils/icnet_utils_hash.h b/icnet/utils/icnet_utils_hash.h new file mode 100644 index 00000000..9ae01f39 --- /dev/null +++ b/icnet/utils/icnet_utils_hash.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include <cstdint> +#include <cstddef> + +namespace icnet { + +namespace utils { + +//const uint32_t FNV1A_PRIME_32 = 0x01000193; +//const uint32_t FNV1A_OFFSET_32 = 0x811C9DC5; +//const uint64_t FNV1A_PRIME_64 = 0x00000100000001B3ULL; +//const uint64_t FNV1A_OFFSET_64 = 0xCBF29CE484222325ULL; + +class Hash { + public: + static uint32_t cumulativeHash32(const void *data, std::size_t len, uint32_t lastValue); + static uint64_t cumulativeHash64(const void *data, std::size_t len, uint64_t lastValue); + static uint32_t hash32(const void *data, std::size_t len); + static uint64_t hash64(const void *data, std::size_t len); + private: + +}; + +} + +}
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