{"id":3480,"date":"2018-10-01T12:53:45","date_gmt":"2018-10-01T12:53:45","guid":{"rendered":"https:\/\/dbtut.com\/?p=3480"},"modified":"2020-10-02T08:34:53","modified_gmt":"2020-10-02T08:34:53","slug":"column-level-encryption-with-pgcrypto-on-postgresql","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2018\/10\/01\/column-level-encryption-with-pgcrypto-on-postgresql\/","title":{"rendered":"Column Level Encryption With pgcrypto On PostgreSQL"},"content":{"rendered":"<h3>Create Extension<\/h3>\n<p>First, if the extension is not present, it is created with the following command.<\/p>\n<pre class=\"lang:default decode:true\">CREATE EXTENSION pgcrypto;<\/pre>\n<h3>The functions we will use;<\/h3>\n<pre class=\"lang:default decode:true\">PGP_SYM_ENCRYPT('The value to be entered in the column:','AES_KEY')\nPGP_SYM_DECRYPT(column_name::bytea,'AES_KEY')<\/pre>\n\n<h3>Example:<\/h3>\n<p>We create the table with the help of the following script.<\/p>\n<pre class=\"lang:default decode:true\">Create table den(age integer,password varchar(255));<\/pre>\n<p>The column we want to encrypt is inserted as follows.<\/p>\n<pre class=\"lang:default decode:true\">insert into den values(21,PGP_SYM_ENCRYPT(\u2018AAA\u2019,\u2018AES_KEY\u2019));<\/pre>\n<h3>To view without encryption:<\/h3>\n<pre class=\"lang:default decode:true\">select age,pgp_sym_decrypt(password::bytea,\u2018AES_KEY\u2019) from den;<\/pre>\n<h3>To view with encryption:<\/h3>\n<pre class=\"lang:default decode:true\">select * from den;<\/pre>\n<p>If requested, the password in the database can be updated as follows.<\/p>\n<pre class=\"lang:default decode:true\">UPDATE den SET\npassword=(\nPGP_SYM_ENCRYPT(\u2018sss\u2019,\u2018AES_KEY\u2019)\n)WHERE age=21;<\/pre>\n<p>If you do not want the password to be plain text in the database, you can use the chkpass extension.<\/p>\n<p>You can find the details about the chekpass in the artilce named &#8220;<a title=\"How To Encrypt a Column(Like Password) with chkpass On PostgreSQL\" href=\"https:\/\/dbtut.com\/index.php\/2018\/09\/28\/how-to-encrypt-a-columnlike-password-with-chkpass-on-postgresql\/\">How To Encrypt a Column(Like Password) with chkpass On PostgreSQL&#8221;<\/a><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_3480\" class=\"pvc_stats all  \" data-element-id=\"3480\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Create Extension First, if the extension is not present, it is created with the following command. CREATE EXTENSION pgcrypto; The functions we will use; PGP_SYM_ENCRYPT(&#8216;The value to be entered in the column:&#8217;,&#8217;AES_KEY&#8217;) PGP_SYM_DECRYPT(column_name::bytea,&#8217;AES_KEY&#8217;) Example: We create the table with the help of the following script. Create table den(age integer,password varchar(255)); The column we want to &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_3480\" class=\"pvc_stats all  \" data-element-id=\"3480\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":316,"featured_media":11175,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[5],"tags":[2946,2945,2950,2948,2949,2943,2951,2952,2953,2944,2947],"class_list":["post-3480","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-postgres","tag-chkpass-postgresql","tag-column-level-encryption-postgresql","tag-encrypt-column-with-pgcrypto","tag-encrypting-data-with-pgcrypto","tag-how-to-install-pgcrypto-in-postgresql","tag-pgcrypto","tag-pgcrypto-postgresql-10","tag-pgcrypto-postgresql-11","tag-postgresql-encryption-pgcrypto","tag-postgresql-pgcrypto","tag-storing-passwords-securely-with-postgresql"],"aioseo_notices":[],"a3_pvc":{"activated":true,"total_views":9372,"today_views":1},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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