| package org.bouncycastle.jcajce.provider.util; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.bouncycastle.asn1.ASN1ObjectIdentifier; |
| import org.bouncycastle.asn1.nist.NISTObjectIdentifiers; |
| import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers; |
| import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; |
| import org.bouncycastle.crypto.Digest; |
| // BEGIN Android-added: Use Android digests |
| import org.bouncycastle.crypto.digests.AndroidDigestFactory; |
| // END Android-added: Use Android digests |
| import org.bouncycastle.util.Strings; |
| |
| public class DigestFactory |
| { |
| private static Set md5 = new HashSet(); |
| private static Set sha1 = new HashSet(); |
| private static Set sha224 = new HashSet(); |
| private static Set sha256 = new HashSet(); |
| private static Set sha384 = new HashSet(); |
| private static Set sha512 = new HashSet(); |
| // BEGIN Android-removed: Unsupported algorithms |
| /* |
| private static Set sha512_224 = new HashSet(); |
| private static Set sha512_256 = new HashSet(); |
| private static Set sha3_224 = new HashSet(); |
| private static Set sha3_256 = new HashSet(); |
| private static Set sha3_384 = new HashSet(); |
| private static Set sha3_512 = new HashSet(); |
| */ |
| // END Android-removed: Unsupported algorithms |
| |
| private static Map oids = new HashMap(); |
| |
| static |
| { |
| 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()); |
| |
| // BEGIN Android-removed: Unsupported algorithms |
| /* |
| sha512_224.add("SHA512(224)"); |
| sha512_224.add("SHA-512(224)"); |
| sha512_224.add(NISTObjectIdentifiers.id_sha512_224.getId()); |
| |
| sha512_256.add("SHA512(256)"); |
| sha512_256.add("SHA-512(256)"); |
| sha512_256.add(NISTObjectIdentifiers.id_sha512_256.getId()); |
| |
| sha3_224.add("SHA3-224"); |
| sha3_224.add(NISTObjectIdentifiers.id_sha3_224.getId()); |
| |
| sha3_256.add("SHA3-256"); |
| sha3_256.add(NISTObjectIdentifiers.id_sha3_256.getId()); |
| |
| sha3_384.add("SHA3-384"); |
| sha3_384.add(NISTObjectIdentifiers.id_sha3_384.getId()); |
| |
| sha3_512.add("SHA3-512"); |
| sha3_512.add(NISTObjectIdentifiers.id_sha3_512.getId()); |
| */ |
| // END Android-removed: Unsupported algorithms |
| |
| |
| 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); |
| |
| oids.put("SHA512(224)", NISTObjectIdentifiers.id_sha512_224); |
| oids.put("SHA-512(224)", NISTObjectIdentifiers.id_sha512_224); |
| oids.put(NISTObjectIdentifiers.id_sha512_224.getId(), NISTObjectIdentifiers.id_sha512_224); |
| |
| oids.put("SHA512(256)", NISTObjectIdentifiers.id_sha512_256); |
| oids.put("SHA-512(256)", NISTObjectIdentifiers.id_sha512_256); |
| oids.put(NISTObjectIdentifiers.id_sha512_256.getId(), NISTObjectIdentifiers.id_sha512_256); |
| |
| oids.put("SHA3-224", NISTObjectIdentifiers.id_sha3_224); |
| oids.put(NISTObjectIdentifiers.id_sha3_224.getId(), NISTObjectIdentifiers.id_sha3_224); |
| |
| oids.put("SHA3-256", NISTObjectIdentifiers.id_sha3_256); |
| oids.put(NISTObjectIdentifiers.id_sha3_256.getId(), NISTObjectIdentifiers.id_sha3_256); |
| |
| oids.put("SHA3-384", NISTObjectIdentifiers.id_sha3_384); |
| oids.put(NISTObjectIdentifiers.id_sha3_384.getId(), NISTObjectIdentifiers.id_sha3_384); |
| |
| oids.put("SHA3-512", NISTObjectIdentifiers.id_sha3_512); |
| oids.put(NISTObjectIdentifiers.id_sha3_512.getId(), NISTObjectIdentifiers.id_sha3_512); |
| } |
| |
| public static Digest getDigest( |
| String digestName) |
| { |
| digestName = Strings.toUpperCase(digestName); |
| |
| if (sha1.contains(digestName)) |
| { |
| // Android-changed: Use Android digests |
| // return org.bouncycastle.crypto.util.DigestFactory.createSHA1(); |
| return AndroidDigestFactory.getSHA1(); |
| } |
| if (md5.contains(digestName)) |
| { |
| // Android-changed: Use Android digests |
| // return org.bouncycastle.crypto.util.DigestFactory.createMD5(); |
| return AndroidDigestFactory.getMD5(); |
| } |
| if (sha224.contains(digestName)) |
| { |
| // Android-changed: Use Android digests |
| // return org.bouncycastle.crypto.util.DigestFactory.createSHA224(); |
| return AndroidDigestFactory.getSHA224(); |
| } |
| if (sha256.contains(digestName)) |
| { |
| // Android-changed: Use Android digests |
| // return org.bouncycastle.crypto.util.DigestFactory.createSHA256(); |
| return AndroidDigestFactory.getSHA256(); |
| } |
| if (sha384.contains(digestName)) |
| { |
| // Android-changed: Use Android digests |
| // return org.bouncycastle.crypto.util.DigestFactory.createSHA384(); |
| return AndroidDigestFactory.getSHA384(); |
| } |
| if (sha512.contains(digestName)) |
| { |
| // Android-changed: Use Android digests |
| // return org.bouncycastle.crypto.util.DigestFactory.createSHA512(); |
| return AndroidDigestFactory.getSHA512(); |
| } |
| // BEGIN Android-removed: Unsupported algorithms |
| /* |
| if (sha512_224.contains(digestName)) |
| { |
| return org.bouncycastle.crypto.util.DigestFactory.createSHA512_224(); |
| } |
| if (sha512_256.contains(digestName)) |
| { |
| return org.bouncycastle.crypto.util.DigestFactory.createSHA512_256(); |
| } |
| |
| if (sha3_224.contains(digestName)) |
| { |
| return org.bouncycastle.crypto.util.DigestFactory.createSHA3_224(); |
| } |
| if (sha3_256.contains(digestName)) |
| { |
| return org.bouncycastle.crypto.util.DigestFactory.createSHA3_256(); |
| } |
| if (sha3_384.contains(digestName)) |
| { |
| return org.bouncycastle.crypto.util.DigestFactory.createSHA3_384(); |
| } |
| if (sha3_512.contains(digestName)) |
| { |
| return org.bouncycastle.crypto.util.DigestFactory.createSHA3_512(); |
| } |
| */ |
| // END Android-removed: Unsupported algorithms |
| |
| return null; |
| } |
| |
| public static boolean isSameDigest( |
| String digest1, |
| 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)) |
| // BEGIN Android-removed: Unsupported algorithms |
| /* |
| || (sha512_224.contains(digest1) && sha512_224.contains(digest2)) |
| || (sha512_256.contains(digest1) && sha512_256.contains(digest2)) |
| || (sha3_224.contains(digest1) && sha3_224.contains(digest2)) |
| || (sha3_256.contains(digest1) && sha3_256.contains(digest2)) |
| || (sha3_384.contains(digest1) && sha3_384.contains(digest2)) |
| || (sha3_512.contains(digest1) && sha3_512.contains(digest2)) |
| */ |
| // END Android-removed: Unsupported algorithms |
| || (md5.contains(digest1) && md5.contains(digest2)); |
| } |
| |
| public static ASN1ObjectIdentifier getOID( |
| String digestName) |
| { |
| return (ASN1ObjectIdentifier)oids.get(digestName); |
| } |
| } |
