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https://issues.apache.org/jira/browse/TRAFODION-3293?focusedWorklogId=224211&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-224211
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ASF GitHub Bot logged work on TRAFODION-3293:
---------------------------------------------
Author: ASF GitHub Bot
Created on: 08/Apr/19 06:53
Start Date: 08/Apr/19 06:53
Worklog Time Spent: 10m
Work Description: liuyu000 commented on pull request #1825:
[TRAFODION-3293] Add the AES_ENCRYPT Function in the Trafodion SQL Reference
Manual
URL: https://github.com/apache/trafodion/pull/1825#discussion_r272868054
##########
File path:
docs/sql_reference/src/asciidoc/_chapters/sql_functions_and_expressions.adoc
##########
@@ -487,6 +487,141 @@ LARGEINT if the precision of the argument is greater
than or equal to
ABS (-20 + 12)
```
+<<<
+[[aes_encrypt_function]]
+== AES_ENCRYPT Function
+
+The AES_ENCRYPT function encrypts a `_string_` using a specified encryption
`_key_` with the AES (Advanced Encryption Standard) algorithm and returns a
binary string.
+
+This function prevents sensitive data from being visible to the public. For
example, use the AES_ENCRYPT function to encrypt person identity number to
preserve user confidentiality.
+
+`AES_ENCRYPT (_string_, _key_)`
+
+[[syntax_description_of_aes_encrypt]]
+=== Syntax Description of AES_ENCRYPT
+
+* `_string_`
++
+is the data to be encrypted.
+
+* `_key_`
++
+is the encryption key to encrypt the `_string_`.
+
++
+TIP: The CQD `block_encryption_mode` controls the mode for the block-based
encryption algorithm. The default mode is the aes-128-ecb, which means the
encryption using a key length of 128 bits and the ECB mode.
+
Review comment:
Thanks for your reminding, I've added a description for the ECB mode as
follows, any thoughts?
... which means the encryption using a key length of 128 bits and the ECB
(Electronic Code Book) mode—the symmetric encryption scheme which replaces each
block of the clear text by the block of ciphertext.
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Issue Time Tracking
-------------------
Worklog Id: (was: 224211)
Time Spent: 3h 40m (was: 3.5h)
> Add the AES_ENCRYPT Function in the Trafodion SQL Reference Manual
> ------------------------------------------------------------------
>
> Key: TRAFODION-3293
> URL: https://issues.apache.org/jira/browse/TRAFODION-3293
> Project: Apache Trafodion
> Issue Type: Documentation
> Reporter: Liu Yu
> Priority: Major
> Fix For: 2.4
>
> Attachments: image-2019-04-05-19-57-51-005.png
>
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
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