GitHub user xwq opened a pull request:
https://github.com/apache/incubator-trafodion/pull/839
[TRAFODION-2228]Add AES_ENCRYPT/AES_DECRYPT functions
Add two functions which used to encrypt and decrypt the data using the
official AES (Advanced Encryption Standard) algorithm.
AES_ENCRYPT(str, key_str[, init_vector])
AES_DECRYPT(crypt_str, key_str[, init_vector])
Both these two function have optional init_vector argument which
provides an initalization vector for block encryption modes that require
it. For modes that require the optional init_vector argument, an error
occurs if init_vector is missing. For modes that don't need init_vector,
it will raise a unused argument waring if init_vector is
provided.
The new CQD block_encryption_mode controls the mode for block-based
encryption algorithm. The default value is 0, which use aes-128-ecb.
Here is the list for diffferent values for block_encryption_mode
CQD value algorithm
0 aes-128-ecb
1 aes_192_ecb
2 aes_256_ecb
3 aes_128_cbc
4 aes_192_cbc
5 aes_256_cbc
6 aes_128_cfb1
7 aes_192_cfb1
8 aes_256_cfb1
9 aes_128_cfb8
10 aes_192_cfb8
11 aes_256_cfb8
12 aes_128_cfb128
13 aes_192_cfb128
14 aes_256_cfb128
15 aes_128_ofb
16 aes_192_ofb
17 aes_256_ofb
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xwq/incubator-trafodion encryption_function
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-trafodion/pull/839.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #839
----
commit 38bbe1f6b5d7e3038d27028f55702fd0e1aafa6e
Author: Weiqing Xu <weiqing...@esgyn.cn>
Date: 2016-11-17T17:20:42Z
[TRAFODION-2228]Add AES_ENCRYPT/AES_DECRYPT functions
Add two functions which used to encrypt and decrypt the data using the
official AES (Advanced Encryption Standard) algorithm.
AES_ENCRYPT(str, key_str[, init_vector])
AES_DECRYPT(crypt_str, key_str[, init_vector])
Both these two function have optional init_vector argument which
provides an initalization vector for block encryption modes that require
it. For modes that require the optional init_vector argument, an error
occurs if init_vector is missing. For modes that don't need init_vector,
it will raise a unused argument waring if init_vector is
provided.
The new CQD block_encryption_mode controls the mode for block-based
encryption algorithm. The default value is 0, which use aes-128-ecb.
Here is the list for diffferent values for block_encryption_mode
CQD value algorithm
0 aes-128-ecb
1 aes_192_ecb
2 aes_256_ecb
3 aes_128_cbc
4 aes_192_cbc
5 aes_256_cbc
6 aes_128_cfb1
7 aes_192_cfb1
8 aes_256_cfb1
9 aes_128_cfb8
10 aes_192_cfb8
11 aes_256_cfb8
12 aes_128_cfb128
13 aes_192_cfb128
14 aes_256_cfb128
15 aes_128_ofb
16 aes_192_ofb
17 aes_256_ofb
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