The ALTER ENCRYPT RULE
syntax is used to alter an encryption rule.
AlterEncryptRule ::=
'ALTER' 'ENCRYPT' 'RULE' encryptDefinition (',' encryptDefinition)*
encryptDefinition ::=
ruleName '(' 'COLUMNS' '(' columnDefinition (',' columnDefinition)* ')' (',' 'QUERY_WITH_CIPHER_COLUMN' '=' ('TRUE' | 'FALSE'))? ')'
columnDefinition ::=
'(' 'NAME' '=' columnName (',' 'PLAIN' '=' plainColumnName)? ',' 'CIPHER' '=' cipherColumnName (',' 'ASSISTED_QUERY_COLUMN' '=' assistedQueryColumnName)? (',' 'LIKE_QUERY_COLUMN' '=' likeQueryColumnName)? ',' encryptAlgorithmDefinition (',' assistedQueryAlgorithmDefinition)? (',' likeQueryAlgorithmDefinition)? ')'
encryptAlgorithmDefinition ::=
'ENCRYPT_ALGORITHM' '(' 'TYPE' '(' 'NAME' '=' encryptAlgorithmType (',' propertiesDefinition)? ')'
assistedQueryAlgorithmDefinition ::=
'ASSISTED_QUERY_ALGORITHM' '(' 'TYPE' '(' 'NAME' '=' encryptAlgorithmType (',' propertiesDefinition)? ')'
likeQueryAlgorithmDefinition ::=
'LIKE_QUERY_ALGORITHM' '(' 'TYPE' '(' 'NAME' '=' encryptAlgorithmType (',' propertiesDefinition)? ')'
propertiesDefinition ::=
'PROPERTIES' '(' key '=' value (',' key '=' value)* ')'
tableName ::=
identifier
columnName ::=
identifier
plainColumnName ::=
identifier
cipherColumnName ::=
identifier
assistedQueryColumnName ::=
identifier
likeQueryColumnName ::=
identifier
encryptAlgorithmType ::=
string
key ::=
string
value ::=
literal
PLAIN
specifies the plain column, CIPHER
specifies the cipher column, ASSISTED_QUERY_COLUMN
specifies the assisted query column,LIKE_QUERY_COLUMN
specifies the like query columnencryptAlgorithmType
specifies the encryption algorithm type, please refer to Encryption AlgorithmALTER ENCRYPT RULE t_encrypt (
COLUMNS(
(NAME=user_id,PLAIN=user_plain,CIPHER=user_cipher,ENCRYPT_ALGORITHM(TYPE(NAME='AES',PROPERTIES('aes-key-value'='123456abc')))),
(NAME=order_id,CIPHER=order_cipher,ENCRYPT_ALGORITHM(TYPE(NAME='MD5')))
), QUERY_WITH_CIPHER_COLUMN=TRUE);
ALTER
, ENCRYPT
, RULE
, COLUMNS
, NAME
, CIPHER
, PLAIN
, QUERY_WITH_CIPHER_COLUMN
, TYPE
, TRUE
, FALSE