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Encryption Algorithm

Background

Encryption algorithms are by the encryption features of Apache ShardingSphere. A variety of algorithms are built-in to make it easy for users to fully leverage the feature.

Parameters

Standard Encrypt Algorithm

MD5 Encrypt Algorithm

Type: MD5

Attributes: None

AES Encrypt Algorithm

Type: AES

Attributes:

Name DataType Description
aes-key-value String AES KEY

RC4 Encrypt Algorithm

Type: RC4

Attributes:

Name DataType Description
rc4-key-value String RC4 KEY

SM3 Encrypt Algorithm

Type: SM3

Attributes:

Name DataType Description
sm3-salt String SM3 SALT (should be blank or 8 bytes long)

SM4 Encrypt Algorithm

Type: SM4

Attributes:

Name DataType Description
sm4-key String SM4 KEY (should be 16 bytes)
sm4-mode String SM4 MODE (should be CBC or ECB)
sm4-iv String SM4 IV (should be specified on CBC, 16 bytes long)
sm4-padding String SM4 PADDING (should be PKCS5Padding or PKCS7Padding, NoPadding excepted)

Like Encrypt Algorithm

CharDigestLike Encrypt Algorithm

Type：CHAR_DIGEST_LIKE

Attributes：

Name DataType Description
delta int Character Unicode offset（decimal number）
mask int Character encryption mask（decimal number）
start int Ciphertext Unicode initial code（decimal number）
dict String Common words

Operating Procedure

  1. Configure encryptors in an encryption rule.
  2. Use relevant algorithm types in encryptors.

Configuration Examples

rules:
- !ENCRYPT
  tables:
    t_user:
      columns:
        username:
          cipherColumn: username
          encryptorName: name_encryptor
          likeQueryColumn: name_like
          likeQueryEncryptorName: like_encryptor
  encryptors:
    like_encryptor:
      type: CHAR_DIGEST_LIKE
    name_encryptor:
      type: AES
      props:
        aes-key-value: 123456abc