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author | Roberto Tyley <roberto.tyley@gmail.com> | 2014-07-15 01:38:01 +0400 |
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committer | Roberto Tyley <roberto.tyley@gmail.com> | 2014-07-26 11:23:17 +0400 |
commit | 7cb752aaf746dc0b473afeb9e892b7fbc12666c5 (patch) | |
tree | cc4f91ddc18332b5adbe82e3fcb040d976c90105 /prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/util/IESUtil.java | |
parent | 551830f8ea5177042af2c7dd1fc90888bc67387d (diff) |
Execute become-spongy.sh
https://github.com/rtyley/spongycastle/blob/3040af/become-spongy.sh
Diffstat (limited to 'prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/util/IESUtil.java')
-rw-r--r-- | prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/util/IESUtil.java | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/util/IESUtil.java b/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/util/IESUtil.java new file mode 100644 index 00000000..fb93838e --- /dev/null +++ b/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/util/IESUtil.java @@ -0,0 +1,32 @@ +package org.spongycastle.jcajce.provider.asymmetric.util; + +import org.spongycastle.crypto.engines.IESEngine; +import org.spongycastle.jce.spec.IESParameterSpec; + +public class IESUtil +{ + public static IESParameterSpec guessParameterSpec(IESEngine engine) + { + if (engine.getCipher() == null) + { + return new IESParameterSpec(null, null, 128); + } + else if (engine.getCipher().getUnderlyingCipher().getAlgorithmName().equals("DES") || + engine.getCipher().getUnderlyingCipher().getAlgorithmName().equals("RC2") || + engine.getCipher().getUnderlyingCipher().getAlgorithmName().equals("RC5-32") || + engine.getCipher().getUnderlyingCipher().getAlgorithmName().equals("RC5-64")) + { + return new IESParameterSpec(null, null, 64, 64); + } + else if (engine.getCipher().getUnderlyingCipher().getAlgorithmName().equals("SKIPJACK")) + { + return new IESParameterSpec(null, null, 80, 80); + } + else if (engine.getCipher().getUnderlyingCipher().getAlgorithmName().equals("GOST28147")) + { + return new IESParameterSpec(null, null, 256, 256); + } + + return new IESParameterSpec(null, null, 128, 128); + } +} |