, .
| DES (.: Date Encryption Standard) | , , , . 64 , 64- ( 56 ), 16 . 4 : (ECB-Electronic Code Book) DES, . (CBC-Cipher Block Chaining), . (OFB-Output Feedback), . (CFB-Cipher Feedback), . |
| 3-DES DES (.: Triple DES) | 64- , DES 56- . . Blowfish, Twofish Rijndael. |
| 3-DES | DES, , CBC, OFB CFB. . |
| FEAL ( ) | , DES. , . |
| IDEA ( , .: International Date Encryption Algorithm) | 64- , 128- , 8 . . , . 2 DES , DES - , - . |
| Skipjack | "Clipper" "Capstone". , , . 64- , 80- ECB, CFB, OFB CBC, 32 . |
| RC2 | 64- , . 2 , DES. , DES, . , RSA Data Security. |
| RC4 | , -, . 10 DES. , RSA Data Security. |
| RC5 | 32, 64 128 , 0 2048 , 0 255 . . , RSA Data Security. |
| CAST | 64- , 40 256 , 8 . . |
| Blowfish | 64- , 32, 48, 56, 128 448 , 16 , , , , . , DES 20 . 32- . |
| Twofish | Blowfish NISTª, , Blowfish . : 128 256- . |
| Rijndael | NIST 2000 , AES, . 128 256 . Blowfish Twofish . 256- 40% 128- . |
| 28147-89 | 256- ( 384 ), 64 , : ECB, , CFB; ( ); . |
| ( ) | , . ( , ) n- , . . , . |
| , ( ). , , , . |
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