diff options
| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2021-07-21 21:14:18 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2021-07-21 21:14:18 +0700 |
| commit | b01d5b88141cfc3a7ff962285abbd48eb1bdde1c (patch) | |
| tree | 406c13fa752b579c7ead85ccf5800caab7c6b5b7 | |
| parent | Followup OAEP changes (diff) | |
| download | BouncyCastle.NET-ed25519-b01d5b88141cfc3a7ff962285abbd48eb1bdde1c.tar.xz | |
Use Pack
| -rw-r--r-- | crypto/src/crypto/encodings/OaepEncoding.cs | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/crypto/src/crypto/encodings/OaepEncoding.cs b/crypto/src/crypto/encodings/OaepEncoding.cs index b01af6eed..295a43aac 100644 --- a/crypto/src/crypto/encodings/OaepEncoding.cs +++ b/crypto/src/crypto/encodings/OaepEncoding.cs @@ -2,6 +2,7 @@ using System; using Org.BouncyCastle.Crypto.Digests; using Org.BouncyCastle.Crypto.Parameters; +using Org.BouncyCastle.Crypto.Utilities; using Org.BouncyCastle.Security; using Org.BouncyCastle.Utilities; @@ -293,19 +294,6 @@ namespace Org.BouncyCastle.Crypto.Encodings return output; } - /** - * int to octet string. - */ - private void ItoOSP( - int i, - byte[] sp) - { - sp[0] = (byte)((uint)i >> 24); - sp[1] = (byte)((uint)i >> 16); - sp[2] = (byte)((uint)i >> 8); - sp[3] = (byte)((uint)i >> 0); - } - private byte[] MaskGeneratorFunction( byte[] Z, int zOff, @@ -344,7 +332,7 @@ namespace Org.BouncyCastle.Crypto.Encodings while (counter < (length / hashBuf.Length)) { - ItoOSP(counter, C); + Pack.UInt32_To_BE((uint)counter, C); mgf1Hash.BlockUpdate(Z, zOff, zLen); mgf1Hash.BlockUpdate(C, 0, C.Length); @@ -357,7 +345,7 @@ namespace Org.BouncyCastle.Crypto.Encodings if ((counter * hashBuf.Length) < length) { - ItoOSP(counter, C); + Pack.UInt32_To_BE((uint)counter, C); mgf1Hash.BlockUpdate(Z, zOff, zLen); mgf1Hash.BlockUpdate(C, 0, C.Length); |