diff options
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/jcajce/spec/GOST28147ParameterSpec.java')
-rw-r--r-- | bcprov/src/main/java/org/bouncycastle/jcajce/spec/GOST28147ParameterSpec.java | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/jcajce/spec/GOST28147ParameterSpec.java b/bcprov/src/main/java/org/bouncycastle/jcajce/spec/GOST28147ParameterSpec.java deleted file mode 100644 index be341c4..0000000 --- a/bcprov/src/main/java/org/bouncycastle/jcajce/spec/GOST28147ParameterSpec.java +++ /dev/null @@ -1,108 +0,0 @@ -package org.bouncycastle.jcajce.spec; - -import java.security.spec.AlgorithmParameterSpec; -import java.util.HashMap; -import java.util.Map; - -import org.bouncycastle.asn1.ASN1ObjectIdentifier; -import org.bouncycastle.asn1.cryptopro.CryptoProObjectIdentifiers; -import org.bouncycastle.crypto.engines.GOST28147Engine; -import org.bouncycastle.util.Arrays; - -/** - * A parameter spec for the GOST-28147 cipher. - */ -public class GOST28147ParameterSpec - implements AlgorithmParameterSpec -{ - private byte[] iv = null; - private byte[] sBox = null; - - public GOST28147ParameterSpec( - byte[] sBox) - { - this.sBox = new byte[sBox.length]; - - System.arraycopy(sBox, 0, this.sBox, 0, sBox.length); - } - - public GOST28147ParameterSpec( - byte[] sBox, - byte[] iv) - { - this(sBox); - this.iv = new byte[iv.length]; - - System.arraycopy(iv, 0, this.iv, 0, iv.length); - } - - public GOST28147ParameterSpec( - String sBoxName) - { - this.sBox = GOST28147Engine.getSBox(sBoxName); - } - - public GOST28147ParameterSpec( - String sBoxName, - byte[] iv) - { - this(sBoxName); - this.iv = new byte[iv.length]; - - System.arraycopy(iv, 0, this.iv, 0, iv.length); - } - - public GOST28147ParameterSpec( - ASN1ObjectIdentifier sBoxName, - byte[] iv) - { - this(getName(sBoxName)); - this.iv = Arrays.clone(iv); - } - - public byte[] getSbox() - { - return sBox; - } - - /** - * Returns the IV or null if this parameter set does not contain an IV. - * - * @return the IV or null if this parameter set does not contain an IV. - */ - public byte[] getIV() - { - if (iv == null) - { - return null; - } - - byte[] tmp = new byte[iv.length]; - - System.arraycopy(iv, 0, tmp, 0, tmp.length); - - return tmp; - } - - private static Map oidMappings = new HashMap(); - - static - { - oidMappings.put(CryptoProObjectIdentifiers.id_Gost28147_89_CryptoPro_A_ParamSet, "E-A"); - oidMappings.put(CryptoProObjectIdentifiers.id_Gost28147_89_CryptoPro_B_ParamSet, "E-B"); - oidMappings.put(CryptoProObjectIdentifiers.id_Gost28147_89_CryptoPro_C_ParamSet, "E-C"); - oidMappings.put(CryptoProObjectIdentifiers.id_Gost28147_89_CryptoPro_D_ParamSet, "E-D"); - } - - private static String getName(ASN1ObjectIdentifier sBoxOid) - { - String sBoxName = (String)oidMappings.get(sBoxOid); - - if (sBoxName == null) - { - throw new IllegalArgumentException("unknown OID: " + sBoxOid); - } - - return sBoxName; - } -}
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