Field Level Encryption In Big Query

Our team is currently exploring the ways to encrypt PII data on the field level within BigQuery and we found out the following way to encrypt/decrypt using Crypto-JS:

#standardSQL

CREATE TEMPORARY FUNCTION encrypt(_text STRING) RETURNS STRING LANGUAGE js AS

"""

  let key = CryptoJS.enc.Utf8.parse("<key>");

  let options = { iv: CryptoJS.enc.Utf8.parse("<iv>"), mode: CryptoJS.mode.CBC };

  let _encrypt = CryptoJS.AES.encrypt(_text, key, options);

  return _encrypt;

""";

CREATE TEMPORARY FUNCTION decrypt(_text STRING) RETURNS STRING LANGUAGE js AS

"""

  let key = CryptoJS.enc.Utf8.parse("<key>");

  let options = { iv: CryptoJS.enc.Utf8.parse("<iv>"), mode: CryptoJS.mode.CBC };

  let _decrypt = CryptoJS.AES.decrypt(_text, key, options).toString(CryptoJS.enc.Utf8);

  return _decrypt;

""" OPTIONS (library="gs://path/to/Crypto-JS/crypto-js.js");



-- query to encrypt fields

SELECT

  <fields>, encrypt(<pii-fields>)

FROM

  `<project>.<dataset>.<table>`



-- query to decrypt fields

SELECT

      <fields>, decrypt(<pii-fields>)

    FROM

      `<project>.<dataset>.<table>`

I am trying to benchmark the performance of AES CBC encryption & decryption using Crypto JS library in the big query before deploying it into our production. We found out the rate of data to encrypt & decrypt is growing exponential per records with increasing number of data compared to the usual query. However with the increasing number of data to process, the progress of processing per record & record processing time is improving.

As there are no available documentation regarding this, could someone from the community help provide better ways, optimize query, best practices to use field level encryption & decryption within the big query?

enter image description here

asked Nov 13 at 5:23

Logan

60711028

1

Please submit the form linked from this feature request on the issue tracker for access to built-in functions for encryption and decryption.
– Elliott Brossard
Nov 13 at 5:52

add a comment |

Our team is currently exploring the ways to encrypt PII data on the field level within BigQuery and we found out the following way to encrypt/decrypt using Crypto-JS:

#standardSQL

CREATE TEMPORARY FUNCTION encrypt(_text STRING) RETURNS STRING LANGUAGE js AS

"""

  let key = CryptoJS.enc.Utf8.parse("<key>");

  let options = { iv: CryptoJS.enc.Utf8.parse("<iv>"), mode: CryptoJS.mode.CBC };

  let _encrypt = CryptoJS.AES.encrypt(_text, key, options);

  return _encrypt;

""";

CREATE TEMPORARY FUNCTION decrypt(_text STRING) RETURNS STRING LANGUAGE js AS

"""

  let key = CryptoJS.enc.Utf8.parse("<key>");

  let options = { iv: CryptoJS.enc.Utf8.parse("<iv>"), mode: CryptoJS.mode.CBC };

  let _decrypt = CryptoJS.AES.decrypt(_text, key, options).toString(CryptoJS.enc.Utf8);

  return _decrypt;

""" OPTIONS (library="gs://path/to/Crypto-JS/crypto-js.js");



-- query to encrypt fields

SELECT

  <fields>, encrypt(<pii-fields>)

FROM

  `<project>.<dataset>.<table>`



-- query to decrypt fields

SELECT

      <fields>, decrypt(<pii-fields>)

    FROM

      `<project>.<dataset>.<table>`

enter image description here

asked Nov 13 at 5:23

Logan

60711028

1

Please submit the form linked from this feature request on the issue tracker for access to built-in functions for encryption and decryption.
– Elliott Brossard
Nov 13 at 5:52

add a comment |

Our team is currently exploring the ways to encrypt PII data on the field level within BigQuery and we found out the following way to encrypt/decrypt using Crypto-JS:

#standardSQL

CREATE TEMPORARY FUNCTION encrypt(_text STRING) RETURNS STRING LANGUAGE js AS

"""

  let key = CryptoJS.enc.Utf8.parse("<key>");

  let options = { iv: CryptoJS.enc.Utf8.parse("<iv>"), mode: CryptoJS.mode.CBC };

  let _encrypt = CryptoJS.AES.encrypt(_text, key, options);

  return _encrypt;

""";

CREATE TEMPORARY FUNCTION decrypt(_text STRING) RETURNS STRING LANGUAGE js AS

"""

  let key = CryptoJS.enc.Utf8.parse("<key>");

  let options = { iv: CryptoJS.enc.Utf8.parse("<iv>"), mode: CryptoJS.mode.CBC };

  let _decrypt = CryptoJS.AES.decrypt(_text, key, options).toString(CryptoJS.enc.Utf8);

  return _decrypt;

""" OPTIONS (library="gs://path/to/Crypto-JS/crypto-js.js");



-- query to encrypt fields

SELECT

  <fields>, encrypt(<pii-fields>)

FROM

  `<project>.<dataset>.<table>`



-- query to decrypt fields

SELECT

      <fields>, decrypt(<pii-fields>)

    FROM

      `<project>.<dataset>.<table>`

enter image description here

asked Nov 13 at 5:23

Logan

60711028

Our team is currently exploring the ways to encrypt PII data on the field level within BigQuery and we found out the following way to encrypt/decrypt using Crypto-JS:

#standardSQL

CREATE TEMPORARY FUNCTION encrypt(_text STRING) RETURNS STRING LANGUAGE js AS

"""

  let key = CryptoJS.enc.Utf8.parse("<key>");

  let options = { iv: CryptoJS.enc.Utf8.parse("<iv>"), mode: CryptoJS.mode.CBC };

  let _encrypt = CryptoJS.AES.encrypt(_text, key, options);

  return _encrypt;

""";

CREATE TEMPORARY FUNCTION decrypt(_text STRING) RETURNS STRING LANGUAGE js AS

"""

  let key = CryptoJS.enc.Utf8.parse("<key>");

  let options = { iv: CryptoJS.enc.Utf8.parse("<iv>"), mode: CryptoJS.mode.CBC };

  let _decrypt = CryptoJS.AES.decrypt(_text, key, options).toString(CryptoJS.enc.Utf8);

  return _decrypt;

""" OPTIONS (library="gs://path/to/Crypto-JS/crypto-js.js");



-- query to encrypt fields

SELECT

  <fields>, encrypt(<pii-fields>)

FROM

  `<project>.<dataset>.<table>`



-- query to decrypt fields

SELECT

      <fields>, decrypt(<pii-fields>)

    FROM

      `<project>.<dataset>.<table>`

enter image description here

encryption google-cloud-platform google-bigquery aes

asked Nov 13 at 5:23

Logan

60711028

asked Nov 13 at 5:23

Logan

60711028

asked Nov 13 at 5:23

Logan

60711028

asked Nov 13 at 5:23

Logan

60711028

asked Nov 13 at 5:23

Logan

60711028

1

Please submit the form linked from this feature request on the issue tracker for access to built-in functions for encryption and decryption.
– Elliott Brossard
Nov 13 at 5:52

add a comment |

1

Please submit the form linked from this feature request on the issue tracker for access to built-in functions for encryption and decryption.
– Elliott Brossard
Nov 13 at 5:52

Please submit the form linked from this feature request on the issue tracker for access to built-in functions for encryption and decryption.
– Elliott Brossard
Nov 13 at 5:52

add a comment |

active

oldest

votes

Your Answer

StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");

StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);

StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});

function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});

}
});

draft saved

draft discarded

Sign up or log in

StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});

Post as a guest

Name

Required, but never shown

StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53274323%2ffield-level-encryption-in-big-query%23new-answer', 'question_page');
}
);

Post as a guest

Name

Required, but never shown

active

oldest

votes

draft saved

draft discarded

Thanks for contributing an answer to Stack Overflow!

Please be sure to answer the question. Provide details and share your research!

But avoid …

Asking for help, clarification, or responding to other answers.

Making statements based on opinion; back them up with references or personal experience.

To learn more, see our tips on writing great answers.

Some of your past answers have not been well-received, and you're in danger of being blocked from answering.

Please pay close attention to the following guidance:

Please be sure to answer the question. Provide details and share your research!

But avoid …

Asking for help, clarification, or responding to other answers.

Making statements based on opinion; back them up with references or personal experience.

To learn more, see our tips on writing great answers.

draft saved

draft discarded

Sign up or log in

StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});

Post as a guest

Name

Required, but never shown

Post as a guest

Name

Required, but never shown

Sign up or log in

StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});

Post as a guest

Name

Required, but never shown

Sign up or log in

StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});

Post as a guest

Name

Required, but never shown

Sign up or log in

StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});

Post as a guest

Name

Required, but never shown

Name

Required, but never shown

Name

Required, but never shown

This page is only for reference, If you need detailed information, please check here

搜尋此網誌

Agfdhyk