diff options
Diffstat (limited to 'crypto/src/util/Arrays.cs')
| -rw-r--r-- | crypto/src/util/Arrays.cs | 78 |
1 files changed, 74 insertions, 4 deletions
diff --git a/crypto/src/util/Arrays.cs b/crypto/src/util/Arrays.cs index ab96357b1..acb0b07c6 100644 --- a/crypto/src/util/Arrays.cs +++ b/crypto/src/util/Arrays.cs @@ -1,6 +1,7 @@ using System; using System.Runtime.CompilerServices; #if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER +using System.Runtime.InteropServices; using System.Security.Cryptography; #endif using System.Text; @@ -403,10 +404,13 @@ namespace Org.BouncyCastle.Utilities public static int GetHashCode(byte[] data) { if (data == null) - { return 0; - } +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + hc.AddBytes(data); + return hc.ToHashCode(); +#else int i = data.Length; int hc = i + 1; @@ -417,15 +421,19 @@ namespace Org.BouncyCastle.Utilities } return hc; +#endif } public static int GetHashCode(byte[] data, int off, int len) { if (data == null) - { return 0; - } +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + hc.AddBytes(data.AsSpan(off, len)); + return hc.ToHashCode(); +#else int i = len; int hc = i + 1; @@ -436,6 +444,7 @@ namespace Org.BouncyCastle.Utilities } return hc; +#endif } public static int GetHashCode(int[] data) @@ -443,6 +452,11 @@ namespace Org.BouncyCastle.Utilities if (data == null) return 0; +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + hc.AddBytes(MemoryMarshal.AsBytes(data.AsSpan())); + return hc.ToHashCode(); +#else int i = data.Length; int hc = i + 1; @@ -453,6 +467,7 @@ namespace Org.BouncyCastle.Utilities } return hc; +#endif } [CLSCompliant(false)] @@ -461,6 +476,11 @@ namespace Org.BouncyCastle.Utilities if (data == null) return 0; +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + hc.AddBytes(MemoryMarshal.AsBytes(data.AsSpan())); + return hc.ToHashCode(); +#else int i = data.Length; int hc = i + 1; @@ -471,6 +491,7 @@ namespace Org.BouncyCastle.Utilities } return hc; +#endif } public static int GetHashCode(int[] data, int off, int len) @@ -478,6 +499,11 @@ namespace Org.BouncyCastle.Utilities if (data == null) return 0; +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + hc.AddBytes(MemoryMarshal.AsBytes(data.AsSpan(off, len))); + return hc.ToHashCode(); +#else int i = len; int hc = i + 1; @@ -488,6 +514,7 @@ namespace Org.BouncyCastle.Utilities } return hc; +#endif } [CLSCompliant(false)] @@ -496,6 +523,11 @@ namespace Org.BouncyCastle.Utilities if (data == null) return 0; +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + hc.AddBytes(MemoryMarshal.AsBytes(data.AsSpan())); + return hc.ToHashCode(); +#else int i = data.Length; int hc = i + 1; @@ -506,6 +538,7 @@ namespace Org.BouncyCastle.Utilities } return hc; +#endif } [CLSCompliant(false)] @@ -514,6 +547,11 @@ namespace Org.BouncyCastle.Utilities if (data == null) return 0; +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + hc.AddBytes(MemoryMarshal.AsBytes(data.AsSpan(off, len))); + return hc.ToHashCode(); +#else int i = len; int hc = i + 1; @@ -524,6 +562,7 @@ namespace Org.BouncyCastle.Utilities } return hc; +#endif } [CLSCompliant(false)] @@ -532,6 +571,11 @@ namespace Org.BouncyCastle.Utilities if (data == null) return 0; +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + hc.AddBytes(MemoryMarshal.AsBytes(data.AsSpan())); + return hc.ToHashCode(); +#else int i = data.Length; int hc = i + 1; @@ -545,6 +589,7 @@ namespace Org.BouncyCastle.Utilities } return hc; +#endif } [CLSCompliant(false)] @@ -553,6 +598,11 @@ namespace Org.BouncyCastle.Utilities if (data == null) return 0; +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + hc.AddBytes(MemoryMarshal.AsBytes(data.AsSpan(off, len))); + return hc.ToHashCode(); +#else int i = len; int hc = i + 1; @@ -566,6 +616,7 @@ namespace Org.BouncyCastle.Utilities } return hc; +#endif } public static int GetHashCode(object[] data) @@ -574,6 +625,15 @@ namespace Org.BouncyCastle.Utilities return 0; int len = data.Length; + +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + for (int i = 0; i < len; ++i) + { + hc.Add(data[i]); + } + return hc.ToHashCode(); +#else int hc = len + 1; for (int i = 0; i < len; ++i) { @@ -581,6 +641,7 @@ namespace Org.BouncyCastle.Utilities hc ^= Objects.GetHashCode(data[i]); } return hc; +#endif } public static int GetHashCode(object[] data, int off, int len) @@ -588,6 +649,14 @@ namespace Org.BouncyCastle.Utilities if (data == null) return 0; +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + HashCode hc = default; + for (int i = 0; i < len; ++i) + { + hc.Add(data[off + i]); + } + return hc.ToHashCode(); +#else int hc = len + 1; for (int i = 0; i < len; ++i) { @@ -595,6 +664,7 @@ namespace Org.BouncyCastle.Utilities hc ^= Objects.GetHashCode(data[off + i]); } return hc; +#endif } public static bool[] Clone(bool[] data) |