AlgorithmConstants (CloudPOSSDK)

```
public interface AlgorithmConstants
```
The AlgorithmConstants interface in the com.cloudpos package provides a comprehensive collection of constants representing various encryption and hash algorithms. These constants are integral for methods requiring specific algorithm parameters in encryption and hashing processes.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`ALG_3DES` Triple DES Encryption (DES-EDE), an extension of the original DES algorithm.
`static int`	`ALG_AES` AES (Advanced Encryption Standard) algorithm.
`static int`	`ALG_DES` Digital Encryption Standard (DES) as outlined in FIPS PUB 46-2.
`static int`	`ALG_MAC_METHOD_ECB` Electronic Codebook (ECB) Mode, defined by The National Institute of Standards and Technology (NIST) in FIPS PUB 81, "DES Modes of Operation," U.S.
`static int`	`ALG_MAC_METHOD_ECB_FIRST` New land ECB MAC algorithm.
`static int`	`ALG_MAC_METHOD_SE919` MAC algorithm SE919, a specialized variant.
`static int`	`ALG_MAC_METHOD_X99` MAC X9.9 algorithm, typically used for generating message authentication codes.
`static int`	`ALG_RSA` RSA encryption algorithm.
`static int`	`ALG_SM2` GM SM2 asymmetric encryption algorithm, primarily used in China for digital signatures and key exchange.
`static int`	`ALG_SM3` GM SM3 hash algorithm, a cryptographic hash function widely used in China.
`static int`	`ALG_SM4` GM SM4 symmetric encryption algorithm, a standard in China for data encryption.
`static int`	`ALGO_CHECK_VALUE_DEFAULT` Default algorithm check value.
`static int`	`ALGO_CHECK_VALUE_SE919` Algorithm check value specifically for SE919.
`static int`	`PINPAD_ENCRYPT_STRING_MODE_CBC` Encryption mode: Cipher Block Chaining (CBC).
`static int`	`PINPAD_ENCRYPT_STRING_MODE_CFB` Encryption mode: Cipher Feedback (CFB).
`static int`	`PINPAD_ENCRYPT_STRING_MODE_EBC` Encryption mode: Electronic Code Book (EBC).
`static int`	`PINPAD_ENCRYPT_STRING_MODE_OFB` Encryption mode: Output Feedback (OFB).

- Field Detail
  - ALG_RSA
```
static final int ALG_RSA
```
    RSA encryption algorithm.
    
    See Also:
    
    Constant Field Values
  - ALG_MAC_METHOD_X99
```
static final int ALG_MAC_METHOD_X99
```
    MAC X9.9 algorithm, typically used for generating message authentication codes.
    
    See Also:
    
    Constant Field Values
  - ALG_MAC_METHOD_ECB
```
static final int ALG_MAC_METHOD_ECB
```
    Electronic Codebook (ECB) Mode, defined by The National Institute of Standards and Technology (NIST) in FIPS PUB 81, "DES Modes of Operation," U.S. Department of Commerce, Dec 1980.
    
    See Also:
    
    Constant Field Values
  - ALG_DES
```
static final int ALG_DES
```
    Digital Encryption Standard (DES) as outlined in FIPS PUB 46-2.
    
    See Also:
    
    Constant Field Values
  - ALG_3DES
```
static final int ALG_3DES
```
    Triple DES Encryption (DES-EDE), an extension of the original DES algorithm.
    
    See Also:
    
    Constant Field Values
  - ALG_SM2
```
static final int ALG_SM2
```
    GM SM2 asymmetric encryption algorithm, primarily used in China for digital signatures and key exchange.
    
    See Also:
    
    Constant Field Values
  - ALG_SM3
```
static final int ALG_SM3
```
    GM SM3 hash algorithm, a cryptographic hash function widely used in China.
    
    See Also:
    
    Constant Field Values
  - ALG_SM4
```
static final int ALG_SM4
```
    GM SM4 symmetric encryption algorithm, a standard in China for data encryption.
    
    See Also:
    
    Constant Field Values
  - ALG_AES
```
static final int ALG_AES
```
    AES (Advanced Encryption Standard) algorithm.
    
    See Also:
    
    Constant Field Values
  - ALGO_CHECK_VALUE_DEFAULT
```
static final int ALGO_CHECK_VALUE_DEFAULT
```
    Default algorithm check value.
    
    See Also:
    
    Constant Field Values
  - ALGO_CHECK_VALUE_SE919
```
static final int ALGO_CHECK_VALUE_SE919
```
    Algorithm check value specifically for SE919.
    
    See Also:
    
    Constant Field Values
  - PINPAD_ENCRYPT_STRING_MODE_EBC
```
static final int PINPAD_ENCRYPT_STRING_MODE_EBC
```
    Encryption mode: Electronic Code Book (EBC).
    
    See Also:
    
    Constant Field Values
  - PINPAD_ENCRYPT_STRING_MODE_CBC
```
static final int PINPAD_ENCRYPT_STRING_MODE_CBC
```
    Encryption mode: Cipher Block Chaining (CBC).
    
    See Also:
    
    Constant Field Values
  - PINPAD_ENCRYPT_STRING_MODE_CFB
```
static final int PINPAD_ENCRYPT_STRING_MODE_CFB
```
    Encryption mode: Cipher Feedback (CFB).
    
    See Also:
    
    Constant Field Values
  - PINPAD_ENCRYPT_STRING_MODE_OFB
```
static final int PINPAD_ENCRYPT_STRING_MODE_OFB
```
    Encryption mode: Output Feedback (OFB).
    
    See Also:
    
    Constant Field Values
  - ALG_MAC_METHOD_ECB_FIRST
```
static final int ALG_MAC_METHOD_ECB_FIRST
```
    New land ECB MAC algorithm.
    
    See Also:
    
    Constant Field Values
  - ALG_MAC_METHOD_SE919
```
static final int ALG_MAC_METHOD_SE919
```
    MAC algorithm SE919, a specialized variant.
    
    See Also:
    
    Constant Field Values

Interface AlgorithmConstants

Field Summary

Field Detail

ALG_RSA

ALG_MAC_METHOD_X99

ALG_MAC_METHOD_ECB

ALG_DES

ALG_3DES

ALG_SM2

ALG_SM3

ALG_SM4

ALG_AES

ALGO_CHECK_VALUE_DEFAULT

ALGO_CHECK_VALUE_SE919

PINPAD_ENCRYPT_STRING_MODE_EBC

PINPAD_ENCRYPT_STRING_MODE_CBC

PINPAD_ENCRYPT_STRING_MODE_CFB

PINPAD_ENCRYPT_STRING_MODE_OFB

ALG_MAC_METHOD_ECB_FIRST

ALG_MAC_METHOD_SE919