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JCEDigestUtil.javaAPI DocAndroid 1.5 API4485Wed May 06 22:41:06 BST 2009org.bouncycastle.jce.provider

JCEDigestUtil

public class JCEDigestUtil extends Object

Fields Summary
private static Set
md5
private static Set
sha1
private static Set
sha224
private static Set
sha256
private static Set
sha384
private static Set
sha512
private static Map
oids
Constructors Summary
Methods Summary
static org.bouncycastle.crypto.DigestgetDigest(java.lang.String digestName)

    
    
    
        md5.add("MD5");
        md5.add(PKCSObjectIdentifiers.md5.getId());
        
        sha1.add("SHA1");
        sha1.add("SHA-1");
        sha1.add(OIWObjectIdentifiers.idSHA1.getId());
        
        sha224.add("SHA224");
        sha224.add("SHA-224");
        sha224.add(NISTObjectIdentifiers.id_sha224.getId());
        
        sha256.add("SHA256");
        sha256.add("SHA-256");
        sha256.add(NISTObjectIdentifiers.id_sha256.getId());
        
        sha384.add("SHA384");
        sha384.add("SHA-384");
        sha384.add(NISTObjectIdentifiers.id_sha384.getId());
        
        sha512.add("SHA512");
        sha512.add("SHA-512");
        sha512.add(NISTObjectIdentifiers.id_sha512.getId()); 

        oids.put("MD5", PKCSObjectIdentifiers.md5);
        oids.put(PKCSObjectIdentifiers.md5.getId(), PKCSObjectIdentifiers.md5);
        
        oids.put("SHA1", OIWObjectIdentifiers.idSHA1);
        oids.put("SHA-1", OIWObjectIdentifiers.idSHA1);
        oids.put(OIWObjectIdentifiers.idSHA1.getId(), OIWObjectIdentifiers.idSHA1);
        
        oids.put("SHA224", NISTObjectIdentifiers.id_sha224);
        oids.put("SHA-224", NISTObjectIdentifiers.id_sha224);
        oids.put(NISTObjectIdentifiers.id_sha224.getId(), NISTObjectIdentifiers.id_sha224);
        
        oids.put("SHA256", NISTObjectIdentifiers.id_sha256);
        oids.put("SHA-256", NISTObjectIdentifiers.id_sha256);
        oids.put(NISTObjectIdentifiers.id_sha256.getId(), NISTObjectIdentifiers.id_sha256);
        
        oids.put("SHA384", NISTObjectIdentifiers.id_sha384);
        oids.put("SHA-384", NISTObjectIdentifiers.id_sha384);
        oids.put(NISTObjectIdentifiers.id_sha384.getId(), NISTObjectIdentifiers.id_sha384);
        
        oids.put("SHA512", NISTObjectIdentifiers.id_sha512);
        oids.put("SHA-512", NISTObjectIdentifiers.id_sha512);
        oids.put(NISTObjectIdentifiers.id_sha512.getId(), NISTObjectIdentifiers.id_sha512); 
    
        digestName = Strings.toUpperCase(digestName);
        
        if (sha1.contains(digestName))
        {
            return new SHA1Digest();
        }
        if (md5.contains(digestName))
        {
            return new MD5Digest();
        }
        if (sha224.contains(digestName))
        {
            return new SHA224Digest();
        }
        if (sha256.contains(digestName))
        {
            return new SHA256Digest();
        }
        if (sha384.contains(digestName))
        {
            return new SHA384Digest();
        }
        if (sha512.contains(digestName))
        {
            return new SHA512Digest();
        }
        
        return null;
static org.bouncycastle.asn1.DERObjectIdentifiergetOID(java.lang.String digestName)

        return (DERObjectIdentifier)oids.get(digestName);
static booleanisSameDigest(java.lang.String digest1, java.lang.String digest2)

        return (sha1.contains(digest1) && sha1.contains(digest2))
            || (sha224.contains(digest1) && sha224.contains(digest2))
            || (sha256.contains(digest1) && sha256.contains(digest2))
            || (sha384.contains(digest1) && sha384.contains(digest2))
            || (sha512.contains(digest1) && sha512.contains(digest2))
            || (md5.contains(digest1) && md5.contains(digest2));