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Asymmetric SQL Server logins

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Last Modified: 2012-02-19
I understand the difference between symmetric and asymmetric encryption (at least conceptually), but what is an asymmetric login? Is it a login where the private key is held by the master file and the public key held in the database for the login?

Also, what does an asymmetric login do or provide in terms of SQL security?
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lcohanDatabase Analyst
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Commented:
Only Windows logins, SQL Server logins, and application roles can own asymmetric keys. Groups and roles cannot own asymmetric keys.
I hope the article below will expalin the diffs between the two:

http://www.mssqltips.com/sqlservertip/1886/sql-server-encryption-symmetric-vs-asymmetric-keys/

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Commented:
Thanks, but I've already read that article. I know what you described above, but let's say I'm a user with an asymmetric login. What does that mean or do? I login with what? There's no password, so how do I login? Is it meant for an application so that it can assess the login credentials somewhere and login securely?
Database Analyst
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Commented:
This one is on us!
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