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12.19.1 MySQL Enterprise Encryption Installation

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MySQL Enterprise Encryption functions are located in a user-defined function (UDF) library file installed in the plugin directory (the directory named by the plugin_dir system variable). The UDF library base name is openssl_udf and the suffix is platform dependent. For example, the file name on Linux or Windows is openssl_udf.so or openssl_udf.dll, respectively.

To install functions from the library file, use the CREATE FUNCTION statement. To load all functions from the library, use this set of statements (adjust the file name suffix as necessary):

  1. CREATE FUNCTION asymmetric_decrypt RETURNS STRING
  2.   SONAME 'openssl_udf.so';
  3. CREATE FUNCTION asymmetric_derive RETURNS STRING
  4.   SONAME 'openssl_udf.so';
  5. CREATE FUNCTION asymmetric_encrypt RETURNS STRING
  6.   SONAME 'openssl_udf.so';
  7. CREATE FUNCTION asymmetric_sign RETURNS STRING
  8.   SONAME 'openssl_udf.so';
  9. CREATE FUNCTION asymmetric_verify RETURNS INTEGER
  10.   SONAME 'openssl_udf.so';
  11. CREATE FUNCTION create_asymmetric_priv_key RETURNS STRING
  12.   SONAME 'openssl_udf.so';
  13. CREATE FUNCTION create_asymmetric_pub_key RETURNS STRING
  14.   SONAME 'openssl_udf.so';
  15. CREATE FUNCTION create_dh_parameters RETURNS STRING
  16.   SONAME 'openssl_udf.so';
  17. CREATE FUNCTION create_digest RETURNS STRING
  18.   SONAME 'openssl_udf.so';

Once installed, UDFs remain installed across server restarts. To unload UDFs, use the DROP FUNCTION statement. For example, to unload the key-generation functions, do this:

  1. DROP FUNCTION create_asymmetric_priv_key;
  2. DROP FUNCTION create_asymmetric_pub_key;

In the CREATE FUNCTION and DROP FUNCTION statements, the function names must be specified in lowercase. This differs from their use at function invocation time, for which you can use any lettercase.

The CREATE FUNCTION and DROP FUNCTION statements require the INSERT and DROP privilege, respectively, for the mysql database.


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Document created the 26/06/2006, last modified the 26/10/2018
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References

  1. View the html document Language of the document:en Manuel MySQL : https://dev.mysql.com/

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