diff options
Diffstat (limited to 'prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java')
| -rw-r--r-- | prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java deleted file mode 100644 index baee6d52..00000000 --- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi.java +++ /dev/null @@ -1,265 +0,0 @@ -package org.bouncycastle.jcajce.provider.asymmetric.rsa; - -import java.io.IOException; -import java.security.spec.AlgorithmParameterSpec; -import java.security.spec.InvalidParameterSpecException; -import java.security.spec.MGF1ParameterSpec; -import java.security.spec.PSSParameterSpec; - -import javax.crypto.spec.OAEPParameterSpec; -import javax.crypto.spec.PSource; - -import org.bouncycastle.asn1.ASN1Encoding; -import org.bouncycastle.asn1.ASN1Integer; -import org.bouncycastle.asn1.ASN1OctetString; -import org.bouncycastle.asn1.DERNull; -import org.bouncycastle.asn1.DEROctetString; -import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; -import org.bouncycastle.asn1.pkcs.RSAESOAEPparams; -import org.bouncycastle.asn1.pkcs.RSASSAPSSparams; -import org.bouncycastle.asn1.x509.AlgorithmIdentifier; -import org.bouncycastle.jcajce.provider.util.DigestFactory; - -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 - { - OAEPParameterSpec currentSpec; - - /** - * Return the PKCS#1 ASN.1 structure RSAES-OAEP-params. - */ - protected byte[] engineGetEncoded() - { - AlgorithmIdentifier hashAlgorithm = new AlgorithmIdentifier( - DigestFactory.getOID(currentSpec.getDigestAlgorithm()), - DERNull.INSTANCE); - MGF1ParameterSpec mgfSpec = (MGF1ParameterSpec)currentSpec.getMGFParameters(); - AlgorithmIdentifier maskGenAlgorithm = new AlgorithmIdentifier( - PKCSObjectIdentifiers.id_mgf1, - new AlgorithmIdentifier(DigestFactory.getOID(mgfSpec.getDigestAlgorithm()), DERNull.INSTANCE)); - PSource.PSpecified pSource = (PSource.PSpecified)currentSpec.getPSource(); - AlgorithmIdentifier pSourceAlgorithm = new AlgorithmIdentifier( - PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(pSource.getValue())); - RSAESOAEPparams oaepP = new RSAESOAEPparams(hashAlgorithm, maskGenAlgorithm, pSourceAlgorithm); - - try - { - return oaepP.getEncoded(ASN1Encoding.DER); - } - catch (IOException e) - { - throw new RuntimeException("Error encoding OAEPParameters"); - } - } - - protected byte[] engineGetEncoded( - String format) - { - if (isASN1FormatString(format) || format.equalsIgnoreCase("X.509")) - { - return engineGetEncoded(); - } - - return null; - } - - protected AlgorithmParameterSpec localEngineGetParameterSpec( - Class paramSpec) - throws InvalidParameterSpecException - { - if (paramSpec == OAEPParameterSpec.class && currentSpec != null) - { - return currentSpec; - } - - throw new InvalidParameterSpecException("unknown parameter spec passed to OAEP parameters object."); - } - - protected void engineInit( - AlgorithmParameterSpec paramSpec) - throws InvalidParameterSpecException - { - if (!(paramSpec instanceof OAEPParameterSpec)) - { - throw new InvalidParameterSpecException("OAEPParameterSpec required to initialise an OAEP algorithm parameters object"); - } - - this.currentSpec = (OAEPParameterSpec)paramSpec; - } - - protected void engineInit( - byte[] params) - throws IOException - { - try - { - RSAESOAEPparams oaepP = RSAESOAEPparams.getInstance(params); - - currentSpec = new OAEPParameterSpec( - oaepP.getHashAlgorithm().getAlgorithm().getId(), - oaepP.getMaskGenAlgorithm().getAlgorithm().getId(), - new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(oaepP.getMaskGenAlgorithm().getParameters()).getAlgorithm().getId()), - new PSource.PSpecified(ASN1OctetString.getInstance(oaepP.getPSourceAlgorithm().getParameters()).getOctets())); - } - 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 - { - PSSParameterSpec pssSpec = currentSpec; - AlgorithmIdentifier hashAlgorithm = new AlgorithmIdentifier( - DigestFactory.getOID(pssSpec.getDigestAlgorithm()), - DERNull.INSTANCE); - MGF1ParameterSpec mgfSpec = (MGF1ParameterSpec)pssSpec.getMGFParameters(); - AlgorithmIdentifier maskGenAlgorithm = new AlgorithmIdentifier( - PKCSObjectIdentifiers.id_mgf1, - new AlgorithmIdentifier(DigestFactory.getOID(mgfSpec.getDigestAlgorithm()), DERNull.INSTANCE)); - RSASSAPSSparams pssP = new RSASSAPSSparams(hashAlgorithm, maskGenAlgorithm, new ASN1Integer(pssSpec.getSaltLength()), new ASN1Integer(pssSpec.getTrailerField())); - - return pssP.getEncoded("DER"); - } - - 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.getHashAlgorithm().getAlgorithm().getId(), - pssP.getMaskGenAlgorithm().getAlgorithm().getId(), - new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(pssP.getMaskGenAlgorithm().getParameters()).getAlgorithm().getId()), - pssP.getSaltLength().intValue(), - pssP.getTrailerField().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"; - } - } -} |