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Cryptographic Functions (Transact-SQL)

SQL Server 2008

The following functions support encryption, decryption, digital signing, and the validation of digital signatures.

Symmetric Encryption and Decryption

EncryptByKey	DecryptByKey
EncryptByPassPhrase	DecryptByPassPhrase
Key_ID	Key_GUID

Asymmetric Encryption and Decryption

EncryptByAsmKey	DecryptByAsmKey
EncryptByCert	DecryptByCert
Cert_ID	AsymKey_ID
CertProperty

Signing and Signature Verification

SignByAsymKey	VerifySignedByAsmKey
SignByCert	VerifySignedByCert

Symmetric Decryption with Automatic Key Handling

DecryptByKeyAutoCert

Reference

Functions (Transact-SQL)

Encryption Hierarchy

CREATE CERTIFICATE (Transact-SQL)

CREATE SYMMETRIC KEY (Transact-SQL)

CREATE ASYMMETRIC KEY (Transact-SQL)

Security Catalog Views (Transact-SQL)

Concepts

Permissions Hierarchy (Database Engine)

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