Tag：Symmetric key
-
Sqlserver encryption and decryption function (asymmetric key certificate encryption symmetric key) usage code
Encryptbyasymkey() — asymmetric keyEncryptbycert() — certificate encryptionEncryptbykey() — symmetric keyEncrypt passphrase() — passphrase encryption Copy codeThe codes are as follows: –Encryption function in sqlserver July 11, 2013Encryptbyasymkey() — asymmetric keyEncryptbycert() — certificate encryptionEncryptbykey() — symmetric keyEncrypt passphrase() — passphrase encryption —————————————————————————————–The asymmetric key contains the internal public key and private key at the database level, […]
-
Explain SQL Server encryption function with examples
Encryption in SQL server is hierarchical, and each upper layer provides protection for the lower layer. As shown in the figure: example: /** SMK (service master key) is generated when SQL server is installed and protected by windows DPAPI (data protection API) **/ /**Create database level dmk (database master key), protected by SMK**/ create master […]