diff options
Diffstat (limited to 'pkix/src/main/java/org/bouncycastle/cms/bc/EnvelopedDataHelper.java')
-rw-r--r-- | pkix/src/main/java/org/bouncycastle/cms/bc/EnvelopedDataHelper.java | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/pkix/src/main/java/org/bouncycastle/cms/bc/EnvelopedDataHelper.java b/pkix/src/main/java/org/bouncycastle/cms/bc/EnvelopedDataHelper.java deleted file mode 100644 index bb7c3cd6..00000000 --- a/pkix/src/main/java/org/bouncycastle/cms/bc/EnvelopedDataHelper.java +++ /dev/null @@ -1,378 +0,0 @@ -package org.bouncycastle.cms.bc; - -import java.security.SecureRandom; -import java.util.HashMap; -import java.util.Map; - -import org.bouncycastle.asn1.ASN1Null; -import org.bouncycastle.asn1.ASN1ObjectIdentifier; -import org.bouncycastle.asn1.ASN1OctetString; -import org.bouncycastle.asn1.ASN1Primitive; -import org.bouncycastle.asn1.DERNull; -import org.bouncycastle.asn1.DEROctetString; -import org.bouncycastle.asn1.kisa.KISAObjectIdentifiers; -import org.bouncycastle.asn1.misc.CAST5CBCParameters; -import org.bouncycastle.asn1.nist.NISTObjectIdentifiers; -import org.bouncycastle.asn1.ntt.NTTObjectIdentifiers; -import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers; -import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; -import org.bouncycastle.asn1.pkcs.RC2CBCParameter; -import org.bouncycastle.asn1.x509.AlgorithmIdentifier; -import org.bouncycastle.cms.CMSAlgorithm; -import org.bouncycastle.cms.CMSException; -import org.bouncycastle.crypto.BlockCipher; -import org.bouncycastle.crypto.BufferedBlockCipher; -import org.bouncycastle.crypto.CipherKeyGenerator; -import org.bouncycastle.crypto.CipherParameters; -import org.bouncycastle.crypto.KeyGenerationParameters; -import org.bouncycastle.crypto.StreamCipher; -import org.bouncycastle.crypto.Wrapper; -import org.bouncycastle.crypto.engines.AESEngine; -import org.bouncycastle.crypto.engines.DESEngine; -import org.bouncycastle.crypto.engines.DESedeEngine; -import org.bouncycastle.crypto.engines.RC2Engine; -import org.bouncycastle.crypto.engines.RC4Engine; -import org.bouncycastle.crypto.engines.RFC3211WrapEngine; -import org.bouncycastle.crypto.generators.DESKeyGenerator; -import org.bouncycastle.crypto.generators.DESedeKeyGenerator; -import org.bouncycastle.crypto.modes.CBCBlockCipher; -import org.bouncycastle.crypto.paddings.PKCS7Padding; -import org.bouncycastle.crypto.paddings.PaddedBufferedBlockCipher; -import org.bouncycastle.crypto.params.KeyParameter; -import org.bouncycastle.crypto.params.ParametersWithIV; -import org.bouncycastle.crypto.params.RC2Parameters; - -class EnvelopedDataHelper -{ - protected static final Map BASE_CIPHER_NAMES = new HashMap(); - protected static final Map CIPHER_ALG_NAMES = new HashMap(); - protected static final Map MAC_ALG_NAMES = new HashMap(); - - static - { - BASE_CIPHER_NAMES.put(CMSAlgorithm.DES_EDE3_CBC, "DESEDE"); - BASE_CIPHER_NAMES.put(CMSAlgorithm.AES128_CBC, "AES"); - BASE_CIPHER_NAMES.put(CMSAlgorithm.AES192_CBC, "AES"); - BASE_CIPHER_NAMES.put(CMSAlgorithm.AES256_CBC, "AES"); - - CIPHER_ALG_NAMES.put(CMSAlgorithm.DES_EDE3_CBC, "DESEDE/CBC/PKCS5Padding"); - CIPHER_ALG_NAMES.put(CMSAlgorithm.AES128_CBC, "AES/CBC/PKCS5Padding"); - CIPHER_ALG_NAMES.put(CMSAlgorithm.AES192_CBC, "AES/CBC/PKCS5Padding"); - CIPHER_ALG_NAMES.put(CMSAlgorithm.AES256_CBC, "AES/CBC/PKCS5Padding"); - CIPHER_ALG_NAMES.put(new ASN1ObjectIdentifier(PKCSObjectIdentifiers.rsaEncryption.getId()), "RSA/ECB/PKCS1Padding"); - CIPHER_ALG_NAMES.put(CMSAlgorithm.CAST5_CBC, "CAST5/CBC/PKCS5Padding"); - CIPHER_ALG_NAMES.put(CMSAlgorithm.CAMELLIA128_CBC, "Camellia/CBC/PKCS5Padding"); - CIPHER_ALG_NAMES.put(CMSAlgorithm.CAMELLIA192_CBC, "Camellia/CBC/PKCS5Padding"); - CIPHER_ALG_NAMES.put(CMSAlgorithm.CAMELLIA256_CBC, "Camellia/CBC/PKCS5Padding"); - CIPHER_ALG_NAMES.put(CMSAlgorithm.SEED_CBC, "SEED/CBC/PKCS5Padding"); - - MAC_ALG_NAMES.put(CMSAlgorithm.DES_EDE3_CBC, "DESEDEMac"); - MAC_ALG_NAMES.put(CMSAlgorithm.AES128_CBC, "AESMac"); - MAC_ALG_NAMES.put(CMSAlgorithm.AES192_CBC, "AESMac"); - MAC_ALG_NAMES.put(CMSAlgorithm.AES256_CBC, "AESMac"); - MAC_ALG_NAMES.put(CMSAlgorithm.RC2_CBC, "RC2Mac"); - } - - private static final short[] rc2Table = { - 0xbd, 0x56, 0xea, 0xf2, 0xa2, 0xf1, 0xac, 0x2a, 0xb0, 0x93, 0xd1, 0x9c, 0x1b, 0x33, 0xfd, 0xd0, - 0x30, 0x04, 0xb6, 0xdc, 0x7d, 0xdf, 0x32, 0x4b, 0xf7, 0xcb, 0x45, 0x9b, 0x31, 0xbb, 0x21, 0x5a, - 0x41, 0x9f, 0xe1, 0xd9, 0x4a, 0x4d, 0x9e, 0xda, 0xa0, 0x68, 0x2c, 0xc3, 0x27, 0x5f, 0x80, 0x36, - 0x3e, 0xee, 0xfb, 0x95, 0x1a, 0xfe, 0xce, 0xa8, 0x34, 0xa9, 0x13, 0xf0, 0xa6, 0x3f, 0xd8, 0x0c, - 0x78, 0x24, 0xaf, 0x23, 0x52, 0xc1, 0x67, 0x17, 0xf5, 0x66, 0x90, 0xe7, 0xe8, 0x07, 0xb8, 0x60, - 0x48, 0xe6, 0x1e, 0x53, 0xf3, 0x92, 0xa4, 0x72, 0x8c, 0x08, 0x15, 0x6e, 0x86, 0x00, 0x84, 0xfa, - 0xf4, 0x7f, 0x8a, 0x42, 0x19, 0xf6, 0xdb, 0xcd, 0x14, 0x8d, 0x50, 0x12, 0xba, 0x3c, 0x06, 0x4e, - 0xec, 0xb3, 0x35, 0x11, 0xa1, 0x88, 0x8e, 0x2b, 0x94, 0x99, 0xb7, 0x71, 0x74, 0xd3, 0xe4, 0xbf, - 0x3a, 0xde, 0x96, 0x0e, 0xbc, 0x0a, 0xed, 0x77, 0xfc, 0x37, 0x6b, 0x03, 0x79, 0x89, 0x62, 0xc6, - 0xd7, 0xc0, 0xd2, 0x7c, 0x6a, 0x8b, 0x22, 0xa3, 0x5b, 0x05, 0x5d, 0x02, 0x75, 0xd5, 0x61, 0xe3, - 0x18, 0x8f, 0x55, 0x51, 0xad, 0x1f, 0x0b, 0x5e, 0x85, 0xe5, 0xc2, 0x57, 0x63, 0xca, 0x3d, 0x6c, - 0xb4, 0xc5, 0xcc, 0x70, 0xb2, 0x91, 0x59, 0x0d, 0x47, 0x20, 0xc8, 0x4f, 0x58, 0xe0, 0x01, 0xe2, - 0x16, 0x38, 0xc4, 0x6f, 0x3b, 0x0f, 0x65, 0x46, 0xbe, 0x7e, 0x2d, 0x7b, 0x82, 0xf9, 0x40, 0xb5, - 0x1d, 0x73, 0xf8, 0xeb, 0x26, 0xc7, 0x87, 0x97, 0x25, 0x54, 0xb1, 0x28, 0xaa, 0x98, 0x9d, 0xa5, - 0x64, 0x6d, 0x7a, 0xd4, 0x10, 0x81, 0x44, 0xef, 0x49, 0xd6, 0xae, 0x2e, 0xdd, 0x76, 0x5c, 0x2f, - 0xa7, 0x1c, 0xc9, 0x09, 0x69, 0x9a, 0x83, 0xcf, 0x29, 0x39, 0xb9, 0xe9, 0x4c, 0xff, 0x43, 0xab - }; - - private static final short[] rc2Ekb = { - 0x5d, 0xbe, 0x9b, 0x8b, 0x11, 0x99, 0x6e, 0x4d, 0x59, 0xf3, 0x85, 0xa6, 0x3f, 0xb7, 0x83, 0xc5, - 0xe4, 0x73, 0x6b, 0x3a, 0x68, 0x5a, 0xc0, 0x47, 0xa0, 0x64, 0x34, 0x0c, 0xf1, 0xd0, 0x52, 0xa5, - 0xb9, 0x1e, 0x96, 0x43, 0x41, 0xd8, 0xd4, 0x2c, 0xdb, 0xf8, 0x07, 0x77, 0x2a, 0xca, 0xeb, 0xef, - 0x10, 0x1c, 0x16, 0x0d, 0x38, 0x72, 0x2f, 0x89, 0xc1, 0xf9, 0x80, 0xc4, 0x6d, 0xae, 0x30, 0x3d, - 0xce, 0x20, 0x63, 0xfe, 0xe6, 0x1a, 0xc7, 0xb8, 0x50, 0xe8, 0x24, 0x17, 0xfc, 0x25, 0x6f, 0xbb, - 0x6a, 0xa3, 0x44, 0x53, 0xd9, 0xa2, 0x01, 0xab, 0xbc, 0xb6, 0x1f, 0x98, 0xee, 0x9a, 0xa7, 0x2d, - 0x4f, 0x9e, 0x8e, 0xac, 0xe0, 0xc6, 0x49, 0x46, 0x29, 0xf4, 0x94, 0x8a, 0xaf, 0xe1, 0x5b, 0xc3, - 0xb3, 0x7b, 0x57, 0xd1, 0x7c, 0x9c, 0xed, 0x87, 0x40, 0x8c, 0xe2, 0xcb, 0x93, 0x14, 0xc9, 0x61, - 0x2e, 0xe5, 0xcc, 0xf6, 0x5e, 0xa8, 0x5c, 0xd6, 0x75, 0x8d, 0x62, 0x95, 0x58, 0x69, 0x76, 0xa1, - 0x4a, 0xb5, 0x55, 0x09, 0x78, 0x33, 0x82, 0xd7, 0xdd, 0x79, 0xf5, 0x1b, 0x0b, 0xde, 0x26, 0x21, - 0x28, 0x74, 0x04, 0x97, 0x56, 0xdf, 0x3c, 0xf0, 0x37, 0x39, 0xdc, 0xff, 0x06, 0xa4, 0xea, 0x42, - 0x08, 0xda, 0xb4, 0x71, 0xb0, 0xcf, 0x12, 0x7a, 0x4e, 0xfa, 0x6c, 0x1d, 0x84, 0x00, 0xc8, 0x7f, - 0x91, 0x45, 0xaa, 0x2b, 0xc2, 0xb1, 0x8f, 0xd5, 0xba, 0xf2, 0xad, 0x19, 0xb2, 0x67, 0x36, 0xf7, - 0x0f, 0x0a, 0x92, 0x7d, 0xe3, 0x9d, 0xe9, 0x90, 0x3e, 0x23, 0x27, 0x66, 0x13, 0xec, 0x81, 0x15, - 0xbd, 0x22, 0xbf, 0x9f, 0x7e, 0xa9, 0x51, 0x4b, 0x4c, 0xfb, 0x02, 0xd3, 0x70, 0x86, 0x31, 0xe7, - 0x3b, 0x05, 0x03, 0x54, 0x60, 0x48, 0x65, 0x18, 0xd2, 0xcd, 0x5f, 0x32, 0x88, 0x0e, 0x35, 0xfd - }; - - EnvelopedDataHelper() - { - } - - String getBaseCipherName(ASN1ObjectIdentifier algorithm) - { - String name = (String)BASE_CIPHER_NAMES.get(algorithm); - - if (name == null) - { - return algorithm.getId(); - } - - return name; - } - - static BufferedBlockCipher createCipher(ASN1ObjectIdentifier algorithm) - throws CMSException - { - BlockCipher cipher; - - if (NISTObjectIdentifiers.id_aes128_CBC.equals(algorithm) - || NISTObjectIdentifiers.id_aes192_CBC.equals(algorithm) - || NISTObjectIdentifiers.id_aes256_CBC.equals(algorithm)) - { - cipher = new CBCBlockCipher(new AESEngine()); - } - else if (PKCSObjectIdentifiers.des_EDE3_CBC.equals(algorithm)) - { - cipher = new CBCBlockCipher(new DESedeEngine()); - } - else if (OIWObjectIdentifiers.desCBC.equals(algorithm)) - { - cipher = new CBCBlockCipher(new DESEngine()); - } - else if (PKCSObjectIdentifiers.RC2_CBC.equals(algorithm)) - { - cipher = new CBCBlockCipher(new RC2Engine()); - } - else - { - throw new CMSException("cannot recognise cipher: " + algorithm); - } - - return new PaddedBufferedBlockCipher(cipher, new PKCS7Padding()); - } - - static Wrapper createRFC3211Wrapper(ASN1ObjectIdentifier algorithm) - throws CMSException - { - if (NISTObjectIdentifiers.id_aes128_CBC.equals(algorithm) - || NISTObjectIdentifiers.id_aes192_CBC.equals(algorithm) - || NISTObjectIdentifiers.id_aes256_CBC.equals(algorithm)) - { - return new RFC3211WrapEngine(new AESEngine()); - } - else if (PKCSObjectIdentifiers.des_EDE3_CBC.equals(algorithm)) - { - return new RFC3211WrapEngine(new DESedeEngine()); - } - else if (OIWObjectIdentifiers.desCBC.equals(algorithm)) - { - return new RFC3211WrapEngine(new DESEngine()); - } - else if (PKCSObjectIdentifiers.RC2_CBC.equals(algorithm)) - { - return new RFC3211WrapEngine(new RC2Engine()); - } - else - { - throw new CMSException("cannot recognise wrapper: " + algorithm); - } - } - - static Object createContentCipher(boolean forEncryption, CipherParameters encKey, AlgorithmIdentifier encryptionAlgID) - throws CMSException - { - ASN1ObjectIdentifier encAlg = encryptionAlgID.getAlgorithm(); - - if (encAlg.equals(PKCSObjectIdentifiers.rc4)) - { - StreamCipher cipher = new RC4Engine(); - - cipher.init(forEncryption, encKey); - - return cipher; - } - else - { - BufferedBlockCipher cipher = createCipher(encryptionAlgID.getAlgorithm()); - ASN1Primitive sParams = encryptionAlgID.getParameters().toASN1Primitive(); - - if (sParams != null && !(sParams instanceof ASN1Null)) - { - if (encAlg.equals(CMSAlgorithm.DES_EDE3_CBC) - || encAlg.equals(CMSAlgorithm.IDEA_CBC) - || encAlg.equals(CMSAlgorithm.AES128_CBC) - || encAlg.equals(CMSAlgorithm.AES192_CBC) - || encAlg.equals(CMSAlgorithm.AES256_CBC) - || encAlg.equals(CMSAlgorithm.CAMELLIA128_CBC) - || encAlg.equals(CMSAlgorithm.CAMELLIA192_CBC) - || encAlg.equals(CMSAlgorithm.CAMELLIA256_CBC) - || encAlg.equals(CMSAlgorithm.SEED_CBC) - || encAlg.equals(OIWObjectIdentifiers.desCBC)) - { - cipher.init(forEncryption, new ParametersWithIV(encKey, - ASN1OctetString.getInstance(sParams).getOctets())); - } - else if (encAlg.equals(CMSAlgorithm.CAST5_CBC)) - { - CAST5CBCParameters cbcParams = CAST5CBCParameters.getInstance(sParams); - - cipher.init(forEncryption, new ParametersWithIV(encKey, cbcParams.getIV())); - } - else if (encAlg.equals(CMSAlgorithm.RC2_CBC)) - { - RC2CBCParameter cbcParams = RC2CBCParameter.getInstance(sParams); - - cipher.init(forEncryption, new ParametersWithIV(new RC2Parameters(((KeyParameter)encKey).getKey(), rc2Ekb[cbcParams.getRC2ParameterVersion().intValue()]), cbcParams.getIV())); - } - else - { - throw new CMSException("cannot match parameters"); - } - } - else - { - if (encAlg.equals(CMSAlgorithm.DES_EDE3_CBC) - || encAlg.equals(CMSAlgorithm.IDEA_CBC) - || encAlg.equals(CMSAlgorithm.CAST5_CBC)) - { - cipher.init(forEncryption, new ParametersWithIV(encKey, new byte[8])); - } - else - { - cipher.init(forEncryption, encKey); - } - } - - return cipher; - } - } - - AlgorithmIdentifier generateAlgorithmIdentifier(ASN1ObjectIdentifier encryptionOID, CipherParameters encKey, SecureRandom random) - throws CMSException - { - if (encryptionOID.equals(CMSAlgorithm.AES128_CBC) - || encryptionOID.equals(CMSAlgorithm.AES192_CBC) - || encryptionOID.equals(CMSAlgorithm.AES256_CBC) - || encryptionOID.equals(CMSAlgorithm.CAMELLIA128_CBC) - || encryptionOID.equals(CMSAlgorithm.CAMELLIA192_CBC) - || encryptionOID.equals(CMSAlgorithm.CAMELLIA256_CBC) - || encryptionOID.equals(CMSAlgorithm.SEED_CBC)) - { - byte[] iv = new byte[16]; - - random.nextBytes(iv); - - return new AlgorithmIdentifier(encryptionOID, new DEROctetString(iv)); - } - else if (encryptionOID.equals(CMSAlgorithm.DES_EDE3_CBC) - || encryptionOID.equals(CMSAlgorithm.IDEA_CBC) - || encryptionOID.equals(OIWObjectIdentifiers.desCBC)) - { - byte[] iv = new byte[8]; - - random.nextBytes(iv); - - return new AlgorithmIdentifier(encryptionOID, new DEROctetString(iv)); - } - else if (encryptionOID.equals(CMSAlgorithm.CAST5_CBC)) - { - byte[] iv = new byte[8]; - - random.nextBytes(iv); - - CAST5CBCParameters cbcParams = new CAST5CBCParameters(iv, ((KeyParameter)encKey).getKey().length * 8); - - return new AlgorithmIdentifier(encryptionOID, cbcParams); - } - else if (encryptionOID.equals(PKCSObjectIdentifiers.rc4)) - { - return new AlgorithmIdentifier(encryptionOID, DERNull.INSTANCE); - } - else - { - throw new CMSException("unable to match algorithm"); - } - } - - CipherKeyGenerator createKeyGenerator(ASN1ObjectIdentifier algorithm, SecureRandom random) - throws CMSException - { - if (NISTObjectIdentifiers.id_aes128_CBC.equals(algorithm)) - { - return createCipherKeyGenerator(random, 128); - } - else if (NISTObjectIdentifiers.id_aes192_CBC.equals(algorithm)) - { - return createCipherKeyGenerator(random, 192); - } - else if (NISTObjectIdentifiers.id_aes256_CBC.equals(algorithm)) - { - return createCipherKeyGenerator(random, 256); - } - else if (PKCSObjectIdentifiers.des_EDE3_CBC.equals(algorithm)) - { - DESedeKeyGenerator keyGen = new DESedeKeyGenerator(); - - keyGen.init(new KeyGenerationParameters(random, 192)); - - return keyGen; - } - else if (NTTObjectIdentifiers.id_camellia128_cbc.equals(algorithm)) - { - return createCipherKeyGenerator(random, 128); - } - else if (NTTObjectIdentifiers.id_camellia192_cbc.equals(algorithm)) - { - return createCipherKeyGenerator(random, 192); - } - else if (NTTObjectIdentifiers.id_camellia256_cbc.equals(algorithm)) - { - return createCipherKeyGenerator(random, 256); - } - else if (KISAObjectIdentifiers.id_seedCBC.equals(algorithm)) - { - return createCipherKeyGenerator(random, 128); - } - else if (CMSAlgorithm.CAST5_CBC.equals(algorithm)) - { - return createCipherKeyGenerator(random, 128); - } - else if (OIWObjectIdentifiers.desCBC.equals(algorithm)) - { - DESKeyGenerator keyGen = new DESKeyGenerator(); - - keyGen.init(new KeyGenerationParameters(random, 64)); - - return keyGen; - } - else if (PKCSObjectIdentifiers.rc4.equals(algorithm)) - { - return createCipherKeyGenerator(random, 128); - } -// else if (PKCSObjectIdentifiers.RC2_CBC.equals(algorithm)) -// { -// cipher = new CBCBlockCipher(new RC2Engine()); -// } - else - { - throw new CMSException("cannot recognise cipher: " + algorithm); - } - - } - - private CipherKeyGenerator createCipherKeyGenerator(SecureRandom random, int keySize) - { - CipherKeyGenerator keyGen = new CipherKeyGenerator(); - - keyGen.init(new KeyGenerationParameters(random, keySize)); - - return keyGen; - } -} |