diff --git a/crypto/src/crypto/engines/ChaCha7539Engine.cs b/crypto/src/crypto/engines/ChaCha7539Engine.cs
index e3b645c4b..d9cdac541 100644
--- a/crypto/src/crypto/engines/ChaCha7539Engine.cs
+++ b/crypto/src/crypto/engines/ChaCha7539Engine.cs
@@ -468,7 +468,7 @@ namespace Org.BouncyCastle.Crypto.Engines
private static Vector128<uint> Load128_UInt32(ReadOnlySpan<uint> t)
{
if (BitConverter.IsLittleEndian && Unsafe.SizeOf<Vector128<uint>>() == 16)
- return MemoryMarshal.Read<Vector128<uint>>(MemoryMarshal.Cast<uint, byte>(t));
+ return MemoryMarshal.Read<Vector128<uint>>(MemoryMarshal.AsBytes(t));
return Vector128.Create(t[0], t[1], t[2], t[3]);
}
diff --git a/crypto/src/crypto/engines/ChaChaEngine.cs b/crypto/src/crypto/engines/ChaChaEngine.cs
index bf2bf6300..093e1a250 100644
--- a/crypto/src/crypto/engines/ChaChaEngine.cs
+++ b/crypto/src/crypto/engines/ChaChaEngine.cs
@@ -218,7 +218,7 @@ namespace Org.BouncyCastle.Crypto.Engines
private static Vector128<uint> Load128_UInt32(ReadOnlySpan<uint> t)
{
if (BitConverter.IsLittleEndian && Unsafe.SizeOf<Vector128<uint>>() == 16)
- return MemoryMarshal.Read<Vector128<uint>>(MemoryMarshal.Cast<uint, byte>(t));
+ return MemoryMarshal.Read<Vector128<uint>>(MemoryMarshal.AsBytes(t));
return Vector128.Create(t[0], t[1], t[2], t[3]);
}
diff --git a/crypto/src/crypto/engines/Salsa20Engine.cs b/crypto/src/crypto/engines/Salsa20Engine.cs
index fa5477ed5..1ccf68902 100644
--- a/crypto/src/crypto/engines/Salsa20Engine.cs
+++ b/crypto/src/crypto/engines/Salsa20Engine.cs
@@ -266,7 +266,7 @@ namespace Org.BouncyCastle.Crypto.Engines
{
Vector128<uint> b0, b1, b2, b3;
{
- var I = MemoryMarshal.Cast<uint, byte>(input.AsSpan(0, 16));
+ var I = MemoryMarshal.AsBytes(input.AsSpan(0, 16));
var t0 = MemoryMarshal.Read<Vector128<short>>(I[0x00..0x10]);
var t1 = MemoryMarshal.Read<Vector128<short>>(I[0x10..0x20]);
var t2 = MemoryMarshal.Read<Vector128<short>>(I[0x20..0x30]);
@@ -315,7 +315,7 @@ namespace Org.BouncyCastle.Crypto.Engines
var v2 = Sse41.Blend(u0, u2, 0x0F);
var v3 = Sse41.Blend(u1, u3, 0x3C);
- var X = MemoryMarshal.Cast<uint, byte>(x.AsSpan(0, 16));
+ var X = MemoryMarshal.AsBytes(x.AsSpan(0, 16));
MemoryMarshal.Write(X[0x00..0x10], ref v0);
MemoryMarshal.Write(X[0x10..0x20], ref v1);
MemoryMarshal.Write(X[0x20..0x30], ref v2);
diff --git a/crypto/src/math/raw/Nat256.cs b/crypto/src/math/raw/Nat256.cs
index 086ba53b1..47e0644f6 100644
--- a/crypto/src/math/raw/Nat256.cs
+++ b/crypto/src/math/raw/Nat256.cs
@@ -1391,9 +1391,9 @@ namespace Org.BouncyCastle.Math.Raw
#if NETCOREAPP3_0_OR_GREATER
if (Avx2.IsSupported && Unsafe.SizeOf<Vector256<byte>>() == 32)
{
- var X = MemoryMarshal.Cast<uint, byte>(x[..8]);
- var Y = MemoryMarshal.Cast<uint, byte>(y[..8]);
- var Z = MemoryMarshal.Cast<uint, byte>(z[..8]);
+ var X = MemoryMarshal.AsBytes(x[..8]);
+ var Y = MemoryMarshal.AsBytes(y[..8]);
+ var Z = MemoryMarshal.AsBytes(z[..8]);
var X0 = MemoryMarshal.Read<Vector256<byte>>(X[0x00..0x20]);
var Y0 = MemoryMarshal.Read<Vector256<byte>>(Y[0x00..0x20]);
@@ -1406,9 +1406,9 @@ namespace Org.BouncyCastle.Math.Raw
if (Sse2.IsSupported && Unsafe.SizeOf<Vector128<byte>>() == 16)
{
- var X = MemoryMarshal.Cast<uint, byte>(x[..8]);
- var Y = MemoryMarshal.Cast<uint, byte>(y[..8]);
- var Z = MemoryMarshal.Cast<uint, byte>(z[..8]);
+ var X = MemoryMarshal.AsBytes(x[..8]);
+ var Y = MemoryMarshal.AsBytes(y[..8]);
+ var Z = MemoryMarshal.AsBytes(z[..8]);
var X0 = MemoryMarshal.Read<Vector128<byte>>(X[0x00..0x10]);
var X1 = MemoryMarshal.Read<Vector128<byte>>(X[0x10..0x20]);
diff --git a/crypto/src/math/raw/Nat512.cs b/crypto/src/math/raw/Nat512.cs
index 37cf0b6ff..d94ae40da 100644
--- a/crypto/src/math/raw/Nat512.cs
+++ b/crypto/src/math/raw/Nat512.cs
@@ -69,9 +69,9 @@ namespace Org.BouncyCastle.Math.Raw
#if NETCOREAPP3_0_OR_GREATER
if (Avx2.IsSupported && Unsafe.SizeOf<Vector256<byte>>() == 32)
{
- var X = MemoryMarshal.Cast<uint, byte>(x[..16]);
- var Y = MemoryMarshal.Cast<uint, byte>(y[..16]);
- var Z = MemoryMarshal.Cast<uint, byte>(z[..16]);
+ var X = MemoryMarshal.AsBytes(x[..16]);
+ var Y = MemoryMarshal.AsBytes(y[..16]);
+ var Z = MemoryMarshal.AsBytes(z[..16]);
var X0 = MemoryMarshal.Read<Vector256<byte>>(X[0x00..0x20]);
var X1 = MemoryMarshal.Read<Vector256<byte>>(X[0x20..0x40]);
@@ -89,9 +89,9 @@ namespace Org.BouncyCastle.Math.Raw
if (Sse2.IsSupported && Unsafe.SizeOf<Vector128<byte>>() == 16)
{
- var X = MemoryMarshal.Cast<uint, byte>(x[..16]);
- var Y = MemoryMarshal.Cast<uint, byte>(y[..16]);
- var Z = MemoryMarshal.Cast<uint, byte>(z[..16]);
+ var X = MemoryMarshal.AsBytes(x[..16]);
+ var Y = MemoryMarshal.AsBytes(y[..16]);
+ var Z = MemoryMarshal.AsBytes(z[..16]);
var X0 = MemoryMarshal.Read<Vector128<byte>>(X[0x00..0x10]);
var X1 = MemoryMarshal.Read<Vector128<byte>>(X[0x10..0x20]);
diff --git a/crypto/src/pqc/crypto/hqc/GF2PolynomialCalculator.cs b/crypto/src/pqc/crypto/hqc/GF2PolynomialCalculator.cs
index 8a460932e..0c01ade96 100644
--- a/crypto/src/pqc/crypto/hqc/GF2PolynomialCalculator.cs
+++ b/crypto/src/pqc/crypto/hqc/GF2PolynomialCalculator.cs
@@ -79,7 +79,7 @@ namespace Org.BouncyCastle.Pqc.Crypto.Hqc
}
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
- Span<byte> resBytes = MemoryMarshal.Cast<ulong, byte>(res);
+ Span<byte> resBytes = MemoryMarshal.AsBytes(res.AsSpan());
for (int i = 0; i < weight; i++)
{
int dec = a[permutedSparseVect[i]] & 0xf;
|
