diff options
Diffstat (limited to 'prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/util')
-rw-r--r-- | prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/util/DSABase.java | 128 | ||||
-rw-r--r-- | prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/util/ECUtil.java | 220 |
2 files changed, 0 insertions, 348 deletions
diff --git a/prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/util/DSABase.java b/prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/util/DSABase.java deleted file mode 100644 index 73320c0e..00000000 --- a/prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/util/DSABase.java +++ /dev/null @@ -1,128 +0,0 @@ -package org.bouncycastle.jcajce.provider.asymmetric.util; - -import java.math.BigInteger; -import java.security.InvalidKeyException; -import java.security.PrivateKey; -import java.security.SecureRandom; -import java.security.Signature; -import java.security.SignatureException; -import java.security.spec.AlgorithmParameterSpec; - -import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; -import org.bouncycastle.asn1.x509.X509ObjectIdentifiers; -import org.bouncycastle.crypto.DSA; -import org.bouncycastle.crypto.Digest; - -public abstract class DSABase - extends Signature - implements PKCSObjectIdentifiers, X509ObjectIdentifiers -{ - protected Digest digest; - protected DSA signer; - protected DSAEncoder encoder; - - protected DSABase( - String name, - Digest digest, - DSA signer, - DSAEncoder encoder) - { - super(name); - - this.digest = digest; - this.signer = signer; - this.encoder = encoder; - } - - protected void engineInitSign( - PrivateKey privateKey) - throws InvalidKeyException - { - doEngineInitSign(privateKey, appRandom); - } - - protected void engineUpdate( - byte b) - throws SignatureException - { - digest.update(b); - } - - protected void engineUpdate( - byte[] b, - int off, - int len) - throws SignatureException - { - digest.update(b, off, len); - } - - protected byte[] engineSign() - throws SignatureException - { - byte[] hash = new byte[digest.getDigestSize()]; - - digest.doFinal(hash, 0); - - try - { - BigInteger[] sig = signer.generateSignature(hash); - - return encoder.encode(sig[0], sig[1]); - } - catch (Exception e) - { - throw new SignatureException(e.toString()); - } - } - - protected boolean engineVerify( - byte[] sigBytes) - throws SignatureException - { - byte[] hash = new byte[digest.getDigestSize()]; - - digest.doFinal(hash, 0); - - BigInteger[] sig; - - try - { - sig = encoder.decode(sigBytes); - } - catch (Exception e) - { - throw new SignatureException("error decoding signature bytes."); - } - - return signer.verifySignature(hash, sig[0], sig[1]); - } - - protected void engineSetParameter( - AlgorithmParameterSpec params) - { - throw new UnsupportedOperationException("engineSetParameter unsupported"); - } - - /** - * @deprecated replaced with <a href = "#engineSetParameter(java.security.spec.AlgorithmParameterSpec)"> - */ - protected void engineSetParameter( - String param, - Object value) - { - throw new UnsupportedOperationException("engineSetParameter unsupported"); - } - - /** - * @deprecated - */ - protected Object engineGetParameter( - String param) - { - throw new UnsupportedOperationException("engineSetParameter unsupported"); - } - - protected abstract void doEngineInitSign(PrivateKey privateKey, SecureRandom random) - throws InvalidKeyException; -} diff --git a/prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/util/ECUtil.java b/prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/util/ECUtil.java deleted file mode 100644 index c5ebb771..00000000 --- a/prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/util/ECUtil.java +++ /dev/null @@ -1,220 +0,0 @@ -package org.bouncycastle.jcajce.provider.asymmetric.util; - -import java.security.InvalidKeyException; -import java.security.PrivateKey; -import java.security.PublicKey; - -import org.bouncycastle.asn1.ASN1ObjectIdentifier; -import org.bouncycastle.asn1.cryptopro.ECGOST3410NamedCurves; -import org.bouncycastle.asn1.nist.NISTNamedCurves; -import org.bouncycastle.asn1.sec.SECNamedCurves; -import org.bouncycastle.asn1.teletrust.TeleTrusTNamedCurves; -import org.bouncycastle.asn1.x9.X962NamedCurves; -import org.bouncycastle.asn1.x9.X9ECParameters; -import org.bouncycastle.crypto.params.AsymmetricKeyParameter; -import org.bouncycastle.crypto.params.ECDomainParameters; -import org.bouncycastle.crypto.params.ECPrivateKeyParameters; -import org.bouncycastle.crypto.params.ECPublicKeyParameters; -import org.bouncycastle.jce.interfaces.ECPrivateKey; -import org.bouncycastle.jce.interfaces.ECPublicKey; -import org.bouncycastle.jce.provider.BouncyCastleProvider; -import org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPublicKey; -import org.bouncycastle.jce.spec.ECParameterSpec; - -/** - * utility class for converting jce/jca ECDSA, ECDH, and ECDHC - * objects into their org.bouncycastle.crypto counterparts. - */ -public class ECUtil -{ - /** - * Returns a sorted array of middle terms of the reduction polynomial. - * @param k The unsorted array of middle terms of the reduction polynomial - * of length 1 or 3. - * @return the sorted array of middle terms of the reduction polynomial. - * This array always has length 3. - */ - static int[] convertMidTerms( - int[] k) - { - int[] res = new int[3]; - - if (k.length == 1) - { - res[0] = k[0]; - } - else - { - if (k.length != 3) - { - throw new IllegalArgumentException("Only Trinomials and pentanomials supported"); - } - - if (k[0] < k[1] && k[0] < k[2]) - { - res[0] = k[0]; - if (k[1] < k[2]) - { - res[1] = k[1]; - res[2] = k[2]; - } - else - { - res[1] = k[2]; - res[2] = k[1]; - } - } - else if (k[1] < k[2]) - { - res[0] = k[1]; - if (k[0] < k[2]) - { - res[1] = k[0]; - res[2] = k[2]; - } - else - { - res[1] = k[2]; - res[2] = k[0]; - } - } - else - { - res[0] = k[2]; - if (k[0] < k[1]) - { - res[1] = k[0]; - res[2] = k[1]; - } - else - { - res[1] = k[1]; - res[2] = k[0]; - } - } - } - - return res; - } - - public static AsymmetricKeyParameter generatePublicKeyParameter( - PublicKey key) - throws InvalidKeyException - { - if (key instanceof ECPublicKey) - { - ECPublicKey k = (ECPublicKey)key; - ECParameterSpec s = k.getParameters(); - - if (s == null) - { - s = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa(); - - return new ECPublicKeyParameters( - ((BCECPublicKey)k).engineGetQ(), - new ECDomainParameters(s.getCurve(), s.getG(), s.getN(), s.getH(), s.getSeed())); - } - else - { - return new ECPublicKeyParameters( - k.getQ(), - new ECDomainParameters(s.getCurve(), s.getG(), s.getN(), s.getH(), s.getSeed())); - } - } - - throw new InvalidKeyException("cannot identify EC public key."); - } - - public static AsymmetricKeyParameter generatePrivateKeyParameter( - PrivateKey key) - throws InvalidKeyException - { - if (key instanceof ECPrivateKey) - { - ECPrivateKey k = (ECPrivateKey)key; - ECParameterSpec s = k.getParameters(); - - if (s == null) - { - s = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa(); - } - - return new ECPrivateKeyParameters( - k.getD(), - new ECDomainParameters(s.getCurve(), s.getG(), s.getN(), s.getH(), s.getSeed())); - } - - throw new InvalidKeyException("can't identify EC private key."); - } - - public static ASN1ObjectIdentifier getNamedCurveOid( - String name) - { - ASN1ObjectIdentifier oid = X962NamedCurves.getOID(name); - - if (oid == null) - { - oid = SECNamedCurves.getOID(name); - if (oid == null) - { - oid = NISTNamedCurves.getOID(name); - } - if (oid == null) - { - oid = TeleTrusTNamedCurves.getOID(name); - } - if (oid == null) - { - oid = ECGOST3410NamedCurves.getOID(name); - } - } - - return oid; - } - - public static X9ECParameters getNamedCurveByOid( - ASN1ObjectIdentifier oid) - { - X9ECParameters params = X962NamedCurves.getByOID(oid); - - if (params == null) - { - params = SECNamedCurves.getByOID(oid); - if (params == null) - { - params = NISTNamedCurves.getByOID(oid); - } - if (params == null) - { - params = TeleTrusTNamedCurves.getByOID(oid); - } - } - - return params; - } - - public static String getCurveName( - ASN1ObjectIdentifier oid) - { - String name = X962NamedCurves.getName(oid); - - if (name == null) - { - name = SECNamedCurves.getName(oid); - if (name == null) - { - name = NISTNamedCurves.getName(oid); - } - if (name == null) - { - name = TeleTrusTNamedCurves.getName(oid); - } - if (name == null) - { - name = ECGOST3410NamedCurves.getName(oid); - } - } - - return name; - } -} |