1 files changed, 30 insertions, 0 deletions
diff --git a/crypto/src/crypto/util/Pack.cs b/crypto/src/crypto/util/Pack.cs
index e281f1818..7b9ce496f 100644
--- a/crypto/src/crypto/util/Pack.cs
+++ b/crypto/src/crypto/util/Pack.cs
@@ -503,6 +503,21 @@ namespace Org.BouncyCastle.Crypto.Utilities
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
+ internal static uint BE_To_UInt32_Partial(ReadOnlySpan<byte> bs)
+ {
+ int len = bs.Length;
+ Debug.Assert(1 <= len && len <= 4);
+
+ uint result = bs[0];
+ for (int i = 1; i < len; ++i)
+ {
+ result <<= 8;
+ result |= bs[i];
+ }
+ return result;
+ }
+
+ [MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static ulong BE_To_UInt64(ReadOnlySpan<byte> bs)
{
uint hi = BE_To_UInt32(bs);
@@ -521,6 +536,21 @@ namespace Org.BouncyCastle.Crypto.Utilities
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
+ internal static ulong BE_To_UInt64_Partial(ReadOnlySpan<byte> bs)
+ {
+ int len = bs.Length;
+ Debug.Assert(1 <= len && len <= 8);
+
+ ulong result = bs[0];
+ for (int i = 1; i < len; ++i)
+ {
+ result <<= 8;
+ result |= bs[i];
+ }
+ return result;
+ }
+
+ [MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static uint LE_To_UInt32(ReadOnlySpan<byte> bs)
{
return bs[0]
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