我的要求是执行 dbms_crypto 工具来解密从 DOTNET 端加密的表中的加密列。看起来PKCS7方法用于dotnet,我无法在Oracle端找到相应的填充;PKCS5 可用。
如果可以从plsql方面获得所需的值,任何人都可以帮助我:
点网加密代码如下:
private static void Encrypt()
{
byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes("ID:5031743749436704");
byte[] keyArray = new byte[16] {
34,
170,
219,
38,
68,
125,
135,
181,
80,
177,
85,
164,
215,
100,
250,
208 };
TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();
//set the secret key for the tripleDES algorithm
tdes.Key = keyArray;
//mode of operation. there are other 4 modes.
//We choose ECB(Electronic code Book)
tdes.Mode = CipherMode.CBC;
//padding mode(if any extra byte added)
tdes.IV = new byte[8];
tdes.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = tdes.CreateEncryptor();
//transform the specified region of bytes array to resultArray
byte[] resultArray =
cTransform.TransformFinalBlock(toEncryptArray, 0,
toEncryptArray.Length);
//Release resources held by TripleDes Encryptor
tdes.Clear();
//Return the encrypted data into unreadable string format
string enCryptedString = Convert.ToBase64String(resultArray, 0, resultArray.Length);
}
private static void Decrypt()
{
byte[] toEncryptArray = Convert.FromBase64String("T71mQdBbEwnk5kZKAc+16kgsrln4EkCJ");
byte[] keyArray = new byte[16] {
34,
170,
219,
38,
68,
125,
135,
181,
80,
177,
85,
164,
215,
100,
250,
208 };
//string s = Convert.ToBase64String(keyArray);
//string s1 = UTF8Encoding.UTF8.GetString(keyArray);
//string s3 = UTF32Encoding.UTF32.GetString(keyArray);
//string s4 = UTF7Encoding.UTF7.GetString(keyArray);
TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();
//set the secret key for the tripleDES algorithm
tdes.Key = keyArray;
//mode of operation. there are other 4 modes.
//We choose ECB(Electronic code Book)
tdes.Mode = CipherMode.CBC;
//padding mode(if any extra byte added)
//tdes.Padding = PaddingMode.PKCS7;
tdes.IV = new byte[8];
ICryptoTransform cTransform = tdes.CreateDecryptor();
byte[] resultArray = cTransform.TransformFinalBlock(
toEncryptArray, 0, toEncryptArray.Length);
//Release resources held by TripleDes Encryptor
tdes.Clear();
//return the Clear decrypted TEXT
string decryptedString = UTF8Encoding.UTF8.GetString(resultArray);
string s2 = Convert.ToBase64String(resultArray); // Base 64 string of raw cc token
var str = System.Text.Encoding.Default.GetString(new byte[8]);
}
Oracle 尝试如下:
--encrypt
SET SERVEROUTPUT ON;
DECLARE
l_encrypted RAW(128);
BEGIN
l_encrypted := dbms_crypto.encrypt(src => utl_raw.cast_to_raw('ID:5031743749436704'),
typ => dbms_crypto.des3_cbc_pkcs5,
key => utl_encode.base64_decode(utl_raw.cast_to_raw('IqrbJkR9h7VQsVWk12T60A==') )
);
dbms_output.put_line( UTL_I18N.RAW_TO_CHAR(utl_encode.base64_encode(l_encrypted),'AL32UTF8'));
END;
/
/*
actual result: VOsHqOuCJUSVYMta4Bz2tSe/aMDN+Ol9
expected result: oCQBWzcu9gCYmxf0kL3oTgkX/K8UVk/t
*/
--decrypt
SET SERVEROUTPUT ON;
DECLARE
l_decrypted RAW(128);
BEGIN
l_decrypted := dbms_crypto.decrypt(src => utl_encode.base64_decode(utl_raw.cast_to_RAW('oCQBWzcu9gCYmxf0kL3oTgkX/K8UVk/t')),
typ => DBMS_CRYPTO.des3_cbc_pkcs5,
key => utl_encode.base64_decode(utl_raw.cast_to_raw('IqrbJkR9h7VQsVWk12T60A==') )
);
dbms_output.put_line( UTL_I18N.RAW_TO_CHAR(l_decrypted,'AL32UTF8'));
END;
/
/*
actual result:
Error report -
ORA-28817: PL/SQL function returned an error.
ORA-06512: at "SYS.DBMS_CRYPTO_FFI", line 67
ORA-06512: at "SYS.DBMS_CRYPTO", line 44
ORA-06512: at line 4
28817. 00000 - "PL/SQL function returned an error."
*Cause: A PL/SQL function returned an error unexpectedly.
*Action: This is an internal error. Enable tracing to find more
information. Contact Oracle customer support if needed.
*Document: NO
expected result: ID:5031743749436704
*/