diff options
Diffstat (limited to 'libraries/spongycastle/prov/src/main/jdk1.4/org/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java')
-rw-r--r-- | libraries/spongycastle/prov/src/main/jdk1.4/org/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/libraries/spongycastle/prov/src/main/jdk1.4/org/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java b/libraries/spongycastle/prov/src/main/jdk1.4/org/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java deleted file mode 100644 index eb66bcf36..000000000 --- a/libraries/spongycastle/prov/src/main/jdk1.4/org/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java +++ /dev/null @@ -1,217 +0,0 @@ -package org.spongycastle.jcajce.provider.asymmetric.rsa; - -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.security.spec.AlgorithmParameterSpec; -import java.security.spec.InvalidParameterSpecException; -import java.security.spec.PSSParameterSpec; - -import org.spongycastle.asn1.ASN1Integer; -import org.spongycastle.asn1.DEROutputStream; -import org.spongycastle.asn1.pkcs.RSAESOAEPparams; -import org.spongycastle.asn1.pkcs.RSASSAPSSparams; - -public abstract class AlgorithmParametersSpi - extends java.security.AlgorithmParametersSpi -{ - protected boolean isASN1FormatString(String format) - { - return format == null || format.equals("ASN.1"); - } - - protected AlgorithmParameterSpec engineGetParameterSpec( - Class paramSpec) - throws InvalidParameterSpecException - { - if (paramSpec == null) - { - throw new NullPointerException("argument to getParameterSpec must not be null"); - } - - return localEngineGetParameterSpec(paramSpec); - } - - protected abstract AlgorithmParameterSpec localEngineGetParameterSpec(Class paramSpec) - throws InvalidParameterSpecException; - - public static class OAEP - extends AlgorithmParametersSpi - { - AlgorithmParameterSpec currentSpec; - - /** - * Return the PKCS#1 ASN.1 structure RSAES-OAEP-params. - */ - protected byte[] engineGetEncoded() - { - return null; - } - - protected byte[] engineGetEncoded( - String format) - { - if (isASN1FormatString(format) || format.equalsIgnoreCase("X.509")) - { - return engineGetEncoded(); - } - - return null; - } - - protected AlgorithmParameterSpec localEngineGetParameterSpec( - Class paramSpec) - throws InvalidParameterSpecException - { - throw new InvalidParameterSpecException("unknown parameter spec passed to OAEP parameters object."); - } - - protected void engineInit( - AlgorithmParameterSpec paramSpec) - throws InvalidParameterSpecException - { - this.currentSpec = paramSpec; - } - - protected void engineInit( - byte[] params) - throws IOException - { - try - { - RSAESOAEPparams oaepP = RSAESOAEPparams.getInstance(params); - - throw new IOException("Operation not supported"); - } - catch (ClassCastException e) - { - throw new IOException("Not a valid OAEP Parameter encoding."); - } - catch (ArrayIndexOutOfBoundsException e) - { - throw new IOException("Not a valid OAEP Parameter encoding."); - } - } - - protected void engineInit( - byte[] params, - String format) - throws IOException - { - if (format.equalsIgnoreCase("X.509") - || format.equalsIgnoreCase("ASN.1")) - { - engineInit(params); - } - else - { - throw new IOException("Unknown parameter format " + format); - } - } - - protected String engineToString() - { - return "OAEP Parameters"; - } - } - - public static class PSS - extends AlgorithmParametersSpi - { - PSSParameterSpec currentSpec; - - /** - * Return the PKCS#1 ASN.1 structure RSASSA-PSS-params. - */ - protected byte[] engineGetEncoded() - throws IOException - { - ByteArrayOutputStream bOut = new ByteArrayOutputStream(); - DEROutputStream dOut = new DEROutputStream(bOut); - PSSParameterSpec pssSpec = (PSSParameterSpec)currentSpec; - RSASSAPSSparams pssP = new RSASSAPSSparams(RSASSAPSSparams.DEFAULT_HASH_ALGORITHM, RSASSAPSSparams.DEFAULT_MASK_GEN_FUNCTION, new ASN1Integer(pssSpec.getSaltLength()), RSASSAPSSparams.DEFAULT_TRAILER_FIELD); - - dOut.writeObject(pssP); - dOut.close(); - - return bOut.toByteArray(); - } - - protected byte[] engineGetEncoded( - String format) - throws IOException - { - if (format.equalsIgnoreCase("X.509") - || format.equalsIgnoreCase("ASN.1")) - { - return engineGetEncoded(); - } - - return null; - } - - protected AlgorithmParameterSpec localEngineGetParameterSpec( - Class paramSpec) - throws InvalidParameterSpecException - { - if (paramSpec == PSSParameterSpec.class && currentSpec != null) - { - return currentSpec; - } - - throw new InvalidParameterSpecException("unknown parameter spec passed to PSS parameters object."); - } - - protected void engineInit( - AlgorithmParameterSpec paramSpec) - throws InvalidParameterSpecException - { - if (!(paramSpec instanceof PSSParameterSpec)) - { - throw new InvalidParameterSpecException("PSSParameterSpec required to initialise an PSS algorithm parameters object"); - } - - this.currentSpec = (PSSParameterSpec)paramSpec; - } - - protected void engineInit( - byte[] params) - throws IOException - { - try - { - RSASSAPSSparams pssP = RSASSAPSSparams.getInstance(params); - - currentSpec = new PSSParameterSpec( - pssP.getSaltLength().intValue()); - } - catch (ClassCastException e) - { - throw new IOException("Not a valid PSS Parameter encoding."); - } - catch (ArrayIndexOutOfBoundsException e) - { - throw new IOException("Not a valid PSS Parameter encoding."); - } - } - - protected void engineInit( - byte[] params, - String format) - throws IOException - { - if (isASN1FormatString(format) || format.equalsIgnoreCase("X.509")) - { - engineInit(params); - } - else - { - throw new IOException("Unknown parameter format " + format); - } - } - - protected String engineToString() - { - return "PSS Parameters"; - } - } -} |