mirror of
https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
2155b3ddeb
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I9850950db8bd84f0904ea1a413151887f52098cf
40 lines
953 B
C++
40 lines
953 B
C++
#include "platform/api/crypto.h"
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#include <cstdint>
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#include <string>
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#include "platform/base/byte_array.h"
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#include "absl/strings/string_view.h"
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#include "openssl/digest.h"
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namespace location {
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namespace nearby {
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// Initialize global crypto state.
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void Crypto::Init() {}
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static ByteArray Hash(absl::string_view input, const EVP_MD* algo) {
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unsigned int md_out_size = EVP_MAX_MD_SIZE;
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uint8_t digest_buffer[EVP_MAX_MD_SIZE];
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if (input.empty()) return {};
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if (!EVP_Digest(input.data(), input.size(), digest_buffer, &md_out_size, algo,
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nullptr))
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return {};
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return ByteArray{reinterpret_cast<char*>(digest_buffer), md_out_size};
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}
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// Return MD5 hash of input.
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ByteArray Crypto::Md5(absl::string_view input) {
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return Hash(input, EVP_md5());
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}
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// Return SHA256 hash of input.
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ByteArray Crypto::Sha256(absl::string_view input) {
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return Hash(input, EVP_sha256());
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}
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} // namespace nearby
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} // namespace location
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