Oracle/MySQL °ü·Ã °Ô½ÃÆÇ

2012/03/31(00:01) from 110.12.189.244
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[MySQL] µ¥ÀÌÅ;Ïȣȭ (Encrypt/Decrypt)
1. ¾ÏȣȭÇÏ¿© µ¥ÀÌÅ͸¦ »ðÀÔÇÒ Ä÷³ÀÇ ¼Ó¼ºÀ» ¾Æ·¡¿Í °°ÀÌ ¼öÁ¤

256 ¹Ì¸¸ÀÇ ¹®ÀÚÀÎ °æ¿ì tinyblob
63535 ¹Ì¸¸ÀÇ ¹®ÀÚÀÎ °æ¿ì blobÀ¸·Î º¯°æ


mysqlÀº ¿©·¯ ¾Ïȣȭ ÇÔ¼ö¸¦ Á¦°øÇÑ´Ù.
º°µµÀÇ API ¾øÀÌ Äõ¸®¹®À¸·Î ¾ÏȣȭÇÏ¿© Å×ÀÌºí¿¡ ³Ö°í º¹È£È­ÇÏ¿© ²¨³½´Ù.


Å×ÀÌºí ±¸¼ºÀÌ ¾Æ·¡¿Í °°´Ù°í °¡Á¤ÇÏÀÚ.

member Å×À̺í

user_id varchar(32)
password tinyblob



2. Æнº¿öµå ¾ÏȣȭÇÏ¿© ³Ö±â

insert into member (user_id, password) values ('asbds', AES_ENCRYPT('pass', 'key'));

¿©±â¼­ key´Â ¾Ïȣȭ/º¹È£È­ Å°ÀÌ´Ù.

'pass'´Â ¾ÏȣȭÇÒ ¹®ÀÚ¿­ ¿©±â¼­´Â Æнº¿öµå´Ù

update member set password = AES_ENCRYPT('pass', 'key') where user_id = 'asdbs';



3. Æнº¿öµå º¹È£È­ÇÏ¿© ²¨³»±â

¿©±â¼­ select½Ã Æнº¿öµå¸¦ º¹È£È­ÇÏ¿© ²¨³»±â À§Çؼ­´Â *¸¦ »ç¿ëÇÒ ¼ö ¾ø´Ù.

select user_id, AES_DECRYPT(password, 'key') where user_id = 'asdbs';

AES_DECRYPTÀÇ Ã¹¹ø° ÀÎÀÚ´Â ÇØ´ç Ä÷³¸íÀÌ´Ù.


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