| package org.bouncycastle.jce.provider; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.bouncycastle.asn1.DERObjectIdentifier; |
| import org.bouncycastle.asn1.nist.NISTObjectIdentifiers; |
| import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers; |
| import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; |
| import org.bouncycastle.crypto.Digest; |
| import org.bouncycastle.crypto.digests.MD5Digest; |
| import org.bouncycastle.crypto.digests.SHA1Digest; |
| // BEGIN android-removed |
| // import org.bouncycastle.crypto.digests.SHA224Digest; |
| // END android-removed |
| import org.bouncycastle.crypto.digests.SHA256Digest; |
| import org.bouncycastle.crypto.digests.SHA384Digest; |
| import org.bouncycastle.crypto.digests.SHA512Digest; |
| import org.bouncycastle.util.Strings; |
| |
| class JCEDigestUtil |
| { |
| private static Set md5 = new HashSet(); |
| private static Set sha1 = new HashSet(); |
| // BEGIN android-removed |
| // private static Set sha224 = new HashSet(); |
| // END android-removed |
| private static Set sha256 = new HashSet(); |
| private static Set sha384 = new HashSet(); |
| private static Set sha512 = new HashSet(); |
| |
| 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()); |
| |
| // BEGIN android-removed |
| // sha224.add("SHA224"); |
| // sha224.add("SHA-224"); |
| // sha224.add(NISTObjectIdentifiers.id_sha224.getId()); |
| // END android-removed |
| |
| 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); |
| |
| // BEGIN android-removed |
| // oids.put("SHA224", NISTObjectIdentifiers.id_sha224); |
| // oids.put("SHA-224", NISTObjectIdentifiers.id_sha224); |
| // oids.put(NISTObjectIdentifiers.id_sha224.getId(), NISTObjectIdentifiers.id_sha224); |
| // END android-removed |
| |
| 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); |
| } |
| |
| static Digest getDigest( |
| String digestName) |
| { |
| digestName = Strings.toUpperCase(digestName); |
| |
| if (sha1.contains(digestName)) |
| { |
| return new SHA1Digest(); |
| } |
| if (md5.contains(digestName)) |
| { |
| return new MD5Digest(); |
| } |
| // BEGIN android-removed |
| // if (sha224.contains(digestName)) |
| // { |
| // return new SHA224Digest(); |
| // } |
| // END android-removed |
| if (sha256.contains(digestName)) |
| { |
| return new SHA256Digest(); |
| } |
| if (sha384.contains(digestName)) |
| { |
| return new SHA384Digest(); |
| } |
| if (sha512.contains(digestName)) |
| { |
| return new SHA512Digest(); |
| } |
| |
| return null; |
| } |
| |
| static boolean isSameDigest( |
| String digest1, |
| String digest2) |
| { |
| return (sha1.contains(digest1) && sha1.contains(digest2)) |
| // BEGIN android-removed |
| // || (sha224.contains(digest1) && sha224.contains(digest2)) |
| // END android-removed |
| || (sha256.contains(digest1) && sha256.contains(digest2)) |
| || (sha384.contains(digest1) && sha384.contains(digest2)) |
| || (sha512.contains(digest1) && sha512.contains(digest2)) |
| || (md5.contains(digest1) && md5.contains(digest2)); |
| } |
| |
| static DERObjectIdentifier getOID( |
| String digestName) |
| { |
| return (DERObjectIdentifier)oids.get(digestName); |
| } |
| } |