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package org.spongycastle.cms;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.spongycastle.asn1.ASN1Encodable;
import org.spongycastle.asn1.ASN1ObjectIdentifier;
import org.spongycastle.asn1.ASN1Primitive;
import org.spongycastle.asn1.ASN1Sequence;
import org.spongycastle.asn1.ASN1Set;
import org.spongycastle.asn1.ASN1TaggedObject;
import org.spongycastle.asn1.DERNull;
import org.spongycastle.asn1.cms.OtherRevocationInfoFormat;
import org.spongycastle.asn1.cryptopro.CryptoProObjectIdentifiers;
import org.spongycastle.asn1.eac.EACObjectIdentifiers;
import org.spongycastle.asn1.nist.NISTObjectIdentifiers;
import org.spongycastle.asn1.oiw.OIWObjectIdentifiers;
import org.spongycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.spongycastle.asn1.teletrust.TeleTrusTObjectIdentifiers;
import org.spongycastle.asn1.x509.AlgorithmIdentifier;
import org.spongycastle.asn1.x509.AttributeCertificate;
import org.spongycastle.asn1.x509.Certificate;
import org.spongycastle.asn1.x509.CertificateList;
import org.spongycastle.asn1.x509.X509ObjectIdentifiers;
import org.spongycastle.asn1.x9.X9ObjectIdentifiers;
import org.spongycastle.cert.X509AttributeCertificateHolder;
import org.spongycastle.cert.X509CRLHolder;
import org.spongycastle.cert.X509CertificateHolder;
import org.spongycastle.util.CollectionStore;
import org.spongycastle.util.Store;
class CMSSignedHelper
{
static final CMSSignedHelper INSTANCE = new CMSSignedHelper();
private static final Map encryptionAlgs = new HashMap();
private static final Map digestAlgs = new HashMap();
private static final Map digestAliases = new HashMap();
private static void addEntries(ASN1ObjectIdentifier alias, String digest, String encryption)
{
digestAlgs.put(alias.getId(), digest);
encryptionAlgs.put(alias.getId(), encryption);
}
static
{
addEntries(NISTObjectIdentifiers.dsa_with_sha224, "SHA224", "DSA");
addEntries(NISTObjectIdentifiers.dsa_with_sha256, "SHA256", "DSA");
addEntries(NISTObjectIdentifiers.dsa_with_sha384, "SHA384", "DSA");
addEntries(NISTObjectIdentifiers.dsa_with_sha512, "SHA512", "DSA");
addEntries(OIWObjectIdentifiers.dsaWithSHA1, "SHA1", "DSA");
addEntries(OIWObjectIdentifiers.md4WithRSA, "MD4", "RSA");
addEntries(OIWObjectIdentifiers.md4WithRSAEncryption, "MD4", "RSA");
addEntries(OIWObjectIdentifiers.md5WithRSA, "MD5", "RSA");
addEntries(OIWObjectIdentifiers.sha1WithRSA, "SHA1", "RSA");
addEntries(PKCSObjectIdentifiers.md2WithRSAEncryption, "MD2", "RSA");
addEntries(PKCSObjectIdentifiers.md4WithRSAEncryption, "MD4", "RSA");
addEntries(PKCSObjectIdentifiers.md5WithRSAEncryption, "MD5", "RSA");
addEntries(PKCSObjectIdentifiers.sha1WithRSAEncryption, "SHA1", "RSA");
addEntries(PKCSObjectIdentifiers.sha224WithRSAEncryption, "SHA224", "RSA");
addEntries(PKCSObjectIdentifiers.sha256WithRSAEncryption, "SHA256", "RSA");
addEntries(PKCSObjectIdentifiers.sha384WithRSAEncryption, "SHA384", "RSA");
addEntries(PKCSObjectIdentifiers.sha512WithRSAEncryption, "SHA512", "RSA");
addEntries(X9ObjectIdentifiers.ecdsa_with_SHA1, "SHA1", "ECDSA");
addEntries(X9ObjectIdentifiers.ecdsa_with_SHA224, "SHA224", "ECDSA");
addEntries(X9ObjectIdentifiers.ecdsa_with_SHA256, "SHA256", "ECDSA");
addEntries(X9ObjectIdentifiers.ecdsa_with_SHA384, "SHA384", "ECDSA");
addEntries(X9ObjectIdentifiers.ecdsa_with_SHA512, "SHA512", "ECDSA");
addEntries(X9ObjectIdentifiers.id_dsa_with_sha1, "SHA1", "DSA");
addEntries(EACObjectIdentifiers.id_TA_ECDSA_SHA_1, "SHA1", "ECDSA");
addEntries(EACObjectIdentifiers.id_TA_ECDSA_SHA_224, "SHA224", "ECDSA");
addEntries(EACObjectIdentifiers.id_TA_ECDSA_SHA_256, "SHA256", "ECDSA");
addEntries(EACObjectIdentifiers.id_TA_ECDSA_SHA_384, "SHA384", "ECDSA");
addEntries(EACObjectIdentifiers.id_TA_ECDSA_SHA_512, "SHA512", "ECDSA");
addEntries(EACObjectIdentifiers.id_TA_RSA_v1_5_SHA_1, "SHA1", "RSA");
addEntries(EACObjectIdentifiers.id_TA_RSA_v1_5_SHA_256, "SHA256", "RSA");
addEntries(EACObjectIdentifiers.id_TA_RSA_PSS_SHA_1, "SHA1", "RSAandMGF1");
addEntries(EACObjectIdentifiers.id_TA_RSA_PSS_SHA_256, "SHA256", "RSAandMGF1");
encryptionAlgs.put(X9ObjectIdentifiers.id_dsa.getId(), "DSA");
encryptionAlgs.put(PKCSObjectIdentifiers.rsaEncryption.getId(), "RSA");
encryptionAlgs.put(TeleTrusTObjectIdentifiers.teleTrusTRSAsignatureAlgorithm, "RSA");
encryptionAlgs.put(X509ObjectIdentifiers.id_ea_rsa.getId(), "RSA");
encryptionAlgs.put(CMSSignedDataGenerator.ENCRYPTION_RSA_PSS, "RSAandMGF1");
encryptionAlgs.put(CryptoProObjectIdentifiers.gostR3410_94.getId(), "GOST3410");
encryptionAlgs.put(CryptoProObjectIdentifiers.gostR3410_2001.getId(), "ECGOST3410");
encryptionAlgs.put("1.3.6.1.4.1.5849.1.6.2", "ECGOST3410");
encryptionAlgs.put("1.3.6.1.4.1.5849.1.1.5", "GOST3410");
encryptionAlgs.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_2001.getId(), "ECGOST3410");
encryptionAlgs.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94.getId(), "GOST3410");
digestAlgs.put(PKCSObjectIdentifiers.md2.getId(), "MD2");
digestAlgs.put(PKCSObjectIdentifiers.md4.getId(), "MD4");
digestAlgs.put(PKCSObjectIdentifiers.md5.getId(), "MD5");
digestAlgs.put(OIWObjectIdentifiers.idSHA1.getId(), "SHA1");
digestAlgs.put(NISTObjectIdentifiers.id_sha224.getId(), "SHA224");
digestAlgs.put(NISTObjectIdentifiers.id_sha256.getId(), "SHA256");
digestAlgs.put(NISTObjectIdentifiers.id_sha384.getId(), "SHA384");
digestAlgs.put(NISTObjectIdentifiers.id_sha512.getId(), "SHA512");
digestAlgs.put(TeleTrusTObjectIdentifiers.ripemd128.getId(), "RIPEMD128");
digestAlgs.put(TeleTrusTObjectIdentifiers.ripemd160.getId(), "RIPEMD160");
digestAlgs.put(TeleTrusTObjectIdentifiers.ripemd256.getId(), "RIPEMD256");
digestAlgs.put(CryptoProObjectIdentifiers.gostR3411.getId(), "GOST3411");
digestAlgs.put("1.3.6.1.4.1.5849.1.2.1", "GOST3411");
digestAliases.put("SHA1", new String[] { "SHA-1" });
digestAliases.put("SHA224", new String[] { "SHA-224" });
digestAliases.put("SHA256", new String[] { "SHA-256" });
digestAliases.put("SHA384", new String[] { "SHA-384" });
digestAliases.put("SHA512", new String[] { "SHA-512" });
}
/**
* Return the digest encryption algorithm using one of the standard
* JCA string representations rather the the algorithm identifier (if
* possible).
*/
String getEncryptionAlgName(
String encryptionAlgOID)
{
String algName = (String)encryptionAlgs.get(encryptionAlgOID);
if (algName != null)
{
return algName;
}
return encryptionAlgOID;
}
AlgorithmIdentifier fixAlgID(AlgorithmIdentifier algId)
{
if (algId.getParameters() == null)
{
return new AlgorithmIdentifier(algId.getAlgorithm(), DERNull.INSTANCE);
}
return algId;
}
void setSigningEncryptionAlgorithmMapping(ASN1ObjectIdentifier oid, String algorithmName)
{
encryptionAlgs.put(oid.getId(), algorithmName);
}
void setSigningDigestAlgorithmMapping(ASN1ObjectIdentifier oid, String algorithmName)
{
digestAlgs.put(oid.getId(), algorithmName);
}
Store getCertificates(ASN1Set certSet)
{
if (certSet != null)
{
List certList = new ArrayList(certSet.size());
for (Enumeration en = certSet.getObjects(); en.hasMoreElements();)
{
ASN1Primitive obj = ((ASN1Encodable)en.nextElement()).toASN1Primitive();
if (obj instanceof ASN1Sequence)
{
certList.add(new X509CertificateHolder(Certificate.getInstance(obj)));
}
}
return new CollectionStore(certList);
}
return new CollectionStore(new ArrayList());
}
Store getAttributeCertificates(ASN1Set certSet)
{
if (certSet != null)
{
List certList = new ArrayList(certSet.size());
for (Enumeration en = certSet.getObjects(); en.hasMoreElements();)
{
ASN1Primitive obj = ((ASN1Encodable)en.nextElement()).toASN1Primitive();
if (obj instanceof ASN1TaggedObject)
{
certList.add(new X509AttributeCertificateHolder(AttributeCertificate.getInstance(((ASN1TaggedObject)obj).getObject())));
}
}
return new CollectionStore(certList);
}
return new CollectionStore(new ArrayList());
}
Store getCRLs(ASN1Set crlSet)
{
if (crlSet != null)
{
List crlList = new ArrayList(crlSet.size());
for (Enumeration en = crlSet.getObjects(); en.hasMoreElements();)
{
ASN1Primitive obj = ((ASN1Encodable)en.nextElement()).toASN1Primitive();
if (obj instanceof ASN1Sequence)
{
crlList.add(new X509CRLHolder(CertificateList.getInstance(obj)));
}
}
return new CollectionStore(crlList);
}
return new CollectionStore(new ArrayList());
}
Store getOtherRevocationInfo(ASN1ObjectIdentifier otherRevocationInfoFormat, ASN1Set crlSet)
{
if (crlSet != null)
{
List crlList = new ArrayList(crlSet.size());
for (Enumeration en = crlSet.getObjects(); en.hasMoreElements();)
{
ASN1Primitive obj = ((ASN1Encodable)en.nextElement()).toASN1Primitive();
if (obj instanceof ASN1TaggedObject)
{
ASN1TaggedObject tObj = ASN1TaggedObject.getInstance(obj);
if (tObj.getTagNo() == 1)
{
OtherRevocationInfoFormat other = OtherRevocationInfoFormat.getInstance(tObj, false);
if (otherRevocationInfoFormat.equals(other.getInfoFormat()))
{
crlList.add(other.getInfo());
}
}
}
}
return new CollectionStore(crlList);
}
return new CollectionStore(new ArrayList());
}
}
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