diff options
Diffstat (limited to 'libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/DefaultCMSSignatureAlgorithmNameGenerator.java')
| -rw-r--r-- | libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/DefaultCMSSignatureAlgorithmNameGenerator.java | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/DefaultCMSSignatureAlgorithmNameGenerator.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/DefaultCMSSignatureAlgorithmNameGenerator.java new file mode 100644 index 000000000..9a4f09226 --- /dev/null +++ b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/DefaultCMSSignatureAlgorithmNameGenerator.java @@ -0,0 +1,154 @@ +package org.spongycastle.cms; + +import java.util.HashMap; +import java.util.Map; + +import org.spongycastle.asn1.ASN1ObjectIdentifier; +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.X509ObjectIdentifiers; +import org.spongycastle.asn1.x9.X9ObjectIdentifiers; + +public class DefaultCMSSignatureAlgorithmNameGenerator + implements CMSSignatureAlgorithmNameGenerator +{ + private final Map encryptionAlgs = new HashMap(); + private final Map digestAlgs = new HashMap(); + + private void addEntries(ASN1ObjectIdentifier alias, String digest, String encryption) + { + digestAlgs.put(alias, digest); + encryptionAlgs.put(alias, encryption); + } + + public DefaultCMSSignatureAlgorithmNameGenerator() + { + 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, "DSA"); + encryptionAlgs.put(PKCSObjectIdentifiers.rsaEncryption, "RSA"); + encryptionAlgs.put(TeleTrusTObjectIdentifiers.teleTrusTRSAsignatureAlgorithm, "RSA"); + encryptionAlgs.put(X509ObjectIdentifiers.id_ea_rsa, "RSA"); + encryptionAlgs.put(PKCSObjectIdentifiers.id_RSASSA_PSS, "RSAandMGF1"); + encryptionAlgs.put(CryptoProObjectIdentifiers.gostR3410_94, "GOST3410"); + encryptionAlgs.put(CryptoProObjectIdentifiers.gostR3410_2001, "ECGOST3410"); + encryptionAlgs.put(new ASN1ObjectIdentifier("1.3.6.1.4.1.5849.1.6.2"), "ECGOST3410"); + encryptionAlgs.put(new ASN1ObjectIdentifier("1.3.6.1.4.1.5849.1.1.5"), "GOST3410"); + encryptionAlgs.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_2001, "ECGOST3410"); + encryptionAlgs.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94, "GOST3410"); + + digestAlgs.put(PKCSObjectIdentifiers.md2, "MD2"); + digestAlgs.put(PKCSObjectIdentifiers.md4, "MD4"); + digestAlgs.put(PKCSObjectIdentifiers.md5, "MD5"); + digestAlgs.put(OIWObjectIdentifiers.idSHA1, "SHA1"); + digestAlgs.put(NISTObjectIdentifiers.id_sha224, "SHA224"); + digestAlgs.put(NISTObjectIdentifiers.id_sha256, "SHA256"); + digestAlgs.put(NISTObjectIdentifiers.id_sha384, "SHA384"); + digestAlgs.put(NISTObjectIdentifiers.id_sha512, "SHA512"); + digestAlgs.put(TeleTrusTObjectIdentifiers.ripemd128, "RIPEMD128"); + digestAlgs.put(TeleTrusTObjectIdentifiers.ripemd160, "RIPEMD160"); + digestAlgs.put(TeleTrusTObjectIdentifiers.ripemd256, "RIPEMD256"); + digestAlgs.put(CryptoProObjectIdentifiers.gostR3411, "GOST3411"); + digestAlgs.put(new ASN1ObjectIdentifier("1.3.6.1.4.1.5849.1.2.1"), "GOST3411"); + } + + /** + * Return the digest algorithm using one of the standard JCA string + * representations rather than the algorithm identifier (if possible). + */ + private String getDigestAlgName( + ASN1ObjectIdentifier digestAlgOID) + { + String algName = (String)digestAlgs.get(digestAlgOID); + + if (algName != null) + { + return algName; + } + + return digestAlgOID.getId(); + } + + /** + * Return the digest encryption algorithm using one of the standard + * JCA string representations rather the the algorithm identifier (if + * possible). + */ + private String getEncryptionAlgName( + ASN1ObjectIdentifier encryptionAlgOID) + { + String algName = (String)encryptionAlgs.get(encryptionAlgOID); + + if (algName != null) + { + return algName; + } + + return encryptionAlgOID.getId(); + } + + /** + * Set the mapping for the encryption algorithm used in association with a SignedData generation + * or interpretation. + * + * @param oid object identifier to map. + * @param algorithmName algorithm name to use. + */ + protected void setSigningEncryptionAlgorithmMapping(ASN1ObjectIdentifier oid, String algorithmName) + { + encryptionAlgs.put(oid, algorithmName); + } + + /** + * Set the mapping for the digest algorithm to use in conjunction with a SignedData generation + * or interpretation. + * + * @param oid object identifier to map. + * @param algorithmName algorithm name to use. + */ + protected void setSigningDigestAlgorithmMapping(ASN1ObjectIdentifier oid, String algorithmName) + { + digestAlgs.put(oid, algorithmName); + } + + public String getSignatureName(AlgorithmIdentifier digestAlg, AlgorithmIdentifier encryptionAlg) + { + return getDigestAlgName(digestAlg.getAlgorithm()) + "with" + getEncryptionAlgName(encryptionAlg.getAlgorithm()); + } +} |