diff options
Diffstat (limited to 'libraries/spongycastle/pkix/src/main/java/org/spongycastle/operator/DefaultDigestAlgorithmIdentifierFinder.java')
| -rw-r--r-- | libraries/spongycastle/pkix/src/main/java/org/spongycastle/operator/DefaultDigestAlgorithmIdentifierFinder.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/operator/DefaultDigestAlgorithmIdentifierFinder.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/operator/DefaultDigestAlgorithmIdentifierFinder.java new file mode 100644 index 000000000..42d6665ed --- /dev/null +++ b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/operator/DefaultDigestAlgorithmIdentifierFinder.java @@ -0,0 +1,97 @@ +package org.spongycastle.operator; + +import java.util.HashMap; +import java.util.Map; + +import org.spongycastle.asn1.ASN1ObjectIdentifier; +import org.spongycastle.asn1.DERNull; +import org.spongycastle.asn1.cryptopro.CryptoProObjectIdentifiers; +import org.spongycastle.asn1.nist.NISTObjectIdentifiers; +import org.spongycastle.asn1.oiw.OIWObjectIdentifiers; +import org.spongycastle.asn1.pkcs.PKCSObjectIdentifiers; +import org.spongycastle.asn1.pkcs.RSASSAPSSparams; +import org.spongycastle.asn1.teletrust.TeleTrusTObjectIdentifiers; +import org.spongycastle.asn1.x509.AlgorithmIdentifier; +import org.spongycastle.asn1.x9.X9ObjectIdentifiers; + +public class DefaultDigestAlgorithmIdentifierFinder + implements DigestAlgorithmIdentifierFinder +{ + private static Map digestOids = new HashMap(); + private static Map digestNameToOids = new HashMap(); + + static + { + // + // digests + // + digestOids.put(OIWObjectIdentifiers.md4WithRSAEncryption, PKCSObjectIdentifiers.md4); + digestOids.put(OIWObjectIdentifiers.md4WithRSA, PKCSObjectIdentifiers.md4); + digestOids.put(OIWObjectIdentifiers.sha1WithRSA, OIWObjectIdentifiers.idSHA1); + + digestOids.put(PKCSObjectIdentifiers.sha224WithRSAEncryption, NISTObjectIdentifiers.id_sha224); + digestOids.put(PKCSObjectIdentifiers.sha256WithRSAEncryption, NISTObjectIdentifiers.id_sha256); + digestOids.put(PKCSObjectIdentifiers.sha384WithRSAEncryption, NISTObjectIdentifiers.id_sha384); + digestOids.put(PKCSObjectIdentifiers.sha512WithRSAEncryption, NISTObjectIdentifiers.id_sha512); + digestOids.put(PKCSObjectIdentifiers.md2WithRSAEncryption, PKCSObjectIdentifiers.md2); + digestOids.put(PKCSObjectIdentifiers.md4WithRSAEncryption, PKCSObjectIdentifiers.md4); + digestOids.put(PKCSObjectIdentifiers.md5WithRSAEncryption, PKCSObjectIdentifiers.md5); + digestOids.put(PKCSObjectIdentifiers.sha1WithRSAEncryption, OIWObjectIdentifiers.idSHA1); + + digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA1, OIWObjectIdentifiers.idSHA1); + digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA224, NISTObjectIdentifiers.id_sha224); + digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA256, NISTObjectIdentifiers.id_sha256); + digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA384, NISTObjectIdentifiers.id_sha384); + digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA512, NISTObjectIdentifiers.id_sha512); + digestOids.put(X9ObjectIdentifiers.id_dsa_with_sha1, OIWObjectIdentifiers.idSHA1); + + digestOids.put(NISTObjectIdentifiers.dsa_with_sha224, NISTObjectIdentifiers.id_sha224); + digestOids.put(NISTObjectIdentifiers.dsa_with_sha256, NISTObjectIdentifiers.id_sha256); + digestOids.put(NISTObjectIdentifiers.dsa_with_sha384, NISTObjectIdentifiers.id_sha384); + digestOids.put(NISTObjectIdentifiers.dsa_with_sha512, NISTObjectIdentifiers.id_sha512); + + digestOids.put(TeleTrusTObjectIdentifiers.rsaSignatureWithripemd128, TeleTrusTObjectIdentifiers.ripemd128); + digestOids.put(TeleTrusTObjectIdentifiers.rsaSignatureWithripemd160, TeleTrusTObjectIdentifiers.ripemd160); + digestOids.put(TeleTrusTObjectIdentifiers.rsaSignatureWithripemd256, TeleTrusTObjectIdentifiers.ripemd256); + + digestOids.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94, CryptoProObjectIdentifiers.gostR3411); + digestOids.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_2001, CryptoProObjectIdentifiers.gostR3411); + + digestNameToOids.put("SHA-1", OIWObjectIdentifiers.idSHA1); + digestNameToOids.put("SHA-224", NISTObjectIdentifiers.id_sha224); + digestNameToOids.put("SHA-256", NISTObjectIdentifiers.id_sha256); + digestNameToOids.put("SHA-384", NISTObjectIdentifiers.id_sha384); + digestNameToOids.put("SHA-512", NISTObjectIdentifiers.id_sha512); + + digestNameToOids.put("GOST3411", CryptoProObjectIdentifiers.gostR3411); + + digestNameToOids.put("MD2", PKCSObjectIdentifiers.md2); + digestNameToOids.put("MD4", PKCSObjectIdentifiers.md4); + digestNameToOids.put("MD5", PKCSObjectIdentifiers.md5); + + digestNameToOids.put("RIPEMD128", TeleTrusTObjectIdentifiers.ripemd128); + digestNameToOids.put("RIPEMD160", TeleTrusTObjectIdentifiers.ripemd160); + digestNameToOids.put("RIPEMD256", TeleTrusTObjectIdentifiers.ripemd256); + } + + public AlgorithmIdentifier find(AlgorithmIdentifier sigAlgId) + { + AlgorithmIdentifier digAlgId; + + if (sigAlgId.getAlgorithm().equals(PKCSObjectIdentifiers.id_RSASSA_PSS)) + { + digAlgId = RSASSAPSSparams.getInstance(sigAlgId.getParameters()).getHashAlgorithm(); + } + else + { + digAlgId = new AlgorithmIdentifier((ASN1ObjectIdentifier)digestOids.get(sigAlgId.getAlgorithm()), DERNull.INSTANCE); + } + + return digAlgId; + } + + public AlgorithmIdentifier find(String digAlgName) + { + return new AlgorithmIdentifier((ASN1ObjectIdentifier)digestNameToOids.get(digAlgName), DERNull.INSTANCE); + } +}
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