postgresql - Database column encryption postgres -

-

how encrypt column in postgres database using pgcrypto addon ?

i using postgres 9.3 , need encrypt 1 of column , postgres support aes encryption or mean can achieve ?

yes, postgres pgcrypto module support aes. details examples can found here. sample usage:

-- add extension create extension pgcrypto;  -- sample ddl create table test_encrypt(   value text ); insert test_encrypt values ('testvalue');  -- encrypt value encrypted_data (   select crypt('passwordtoencrypt0',gen_salt('md5')) hashed_value ) update test_encrypt set value = (select hashed_value encrypted_data);

validate password:

select (value = crypt('passwordtoencrypt0', value)) match test_encrypt;

returns:

 match  -------  t (1 row)

Comments

Post a Comment

Popular posts from this blog

Capture and play voice with Asterisk ARI -

-
there channel ari demo in wich can control channel state: ring, answer, play silence, play tone or audio-file ( https://github.com/asterisk/ari-examples/tree/master/channel-state , https://wiki.asterisk.org/wiki/display/ast/ari+and+channels%3a+manipulating+channel+state ) possible receive chunks (parts, buffers, etc.) of call voice (which created remote subscriber) or write chunks of voice, example array of bytes (not file) in audio format (alaw, ulow etc). you can use asterisk eagi interface voice data. other option use record or mixmonitor app record channel(channel have put stasis allow dialplan control ari) "write chunks of voice" can done application playback also can create own application using c/c++, compile asterisk , result want. no, can't redirect voice directly using ari.
Read more

c - Unrecognised emulation mode: elf_i386 on MinGW32 -

-
i'm trying make kernel, , cannot link c output assembly. ld . i'm getting error: unrecognized emulation mode: elf_i386 i'm using windows 10 professional mingw32 , msys. code using: link.ld /* * link.ld */ output_format(elf32-i386) entry(start) sections { . = 0x100000; .text : { *(.text) } .data : { *(.data) } .bss : { *(.bss) } } kernel.c /* * kernel.c */ void kmain(void) { const char *str = "my first kernel"; char *vidptr = (char*)0xb8000; //video mem begins here. unsigned int = 0; unsigned int j = 0; /* loops clears screen * there 25 lines each of 80 columns; each element takes 2 bytes */ while(j < 80 * 25 * 2) { /* blank character */ vidptr[j] = ' '; /* attribute-byte - light grey on black screen */ vidptr[j+1] = 0x07; j = j + 2; } j = 0; /* loop writes string video memory */ while(str[j] != '\0') { /...
Read more

Python : How can I access Lotus Notes 8.5 Inbox to read emails -

-
i want make script in python reads mails lotus notes 8.5 , create each email issue in jira returns me error when try read mails lotus: traceback (most recent call last): file "from_lotus_to_jira.py", line 46, in <module> main() file "from_lotus_to_jira.py", line 39, in main folder = notesdatabase.getview('$inbox') file "c:\python27\lib\site-packages\win32com\gen_py\29131520-2eed-1069-bf5d-00 dd011186b7x0x1x2.py", line 1849, in getview ret = self._oleobj_.invoketypes(1610743866, lcid, 1, (9, 0), ((8, 1),),pname pywintypes.com_error: (-2147352567, 'exception occurred.', (0, u'notesdatabase', u'database server_name!!c:\\users\\myname\\appdata\\local\\lotus\\notes\\data\\ma il202\\myname.nsf has not been opened yet', none, 0, -2147217441), none) here .py file import win32com.client import pywintypes import getpass def main(): # credentials mailserver = 'server_name' mailpath = 'c:\user...
Read more