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Common/Crypto/SHA1: Add DigestToString() utility function

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This commit is contained in:
LillyJadeKatrin
2024-06-26 20:05:54 -04:00
committed by Admiral H. Curtiss
parent bb4e8d0d01
commit 360f899f68
2 changed files with 18 additions and 0 deletions
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16
Source/Core/Common/Crypto/SHA1.cpp
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@ -385,4 +385,20 @@ Digest CalculateDigest(const u8* msg, size_t len)
ctx->Update(msg, len); ctx->Update(msg, len);
return ctx->Finish(); return ctx->Finish();
} }
std::string DigestToString(const Digest& digest)
{
static constexpr std::array<char, 16> lookup = {'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
std::string hash;
hash.reserve(digest.size() * 2);
for (size_t i = 0; i < digest.size(); ++i)
{
const u8 upper = static_cast<u8>((digest[i] >> 4) & 0xf);
const u8 lower = static_cast<u8>(digest[i] & 0xf);
hash.push_back(lookup[upper]);
hash.push_back(lookup[lower]);
}
return hash;
}
} // namespace Common::SHA1 } // namespace Common::SHA1

2
Source/Core/Common/Crypto/SHA1.h
View File

@ -51,4 +51,6 @@ inline Digest CalculateDigest(const std::array<T, Size>& msg)
static_assert(std::is_trivially_copyable_v<T>); static_assert(std::is_trivially_copyable_v<T>);
return CalculateDigest(reinterpret_cast<const u8*>(msg.data()), sizeof(msg)); return CalculateDigest(reinterpret_cast<const u8*>(msg.data()), sizeof(msg));
} }
std::string DigestToString(const Digest& digest);
} // namespace Common::SHA1 } // namespace Common::SHA1