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# openssl_get_cipher_methods

(PHP 5 >= 5.3.0)

openssl_get_cipher_methods — Gets available cipher methods

### 설명

ReturnType openssl_get_cipher_methods ([ bool `$aliases`= false ] )

Gets a list of available cipher methods.

### 인수

`aliases`

  Set to `TRUE` if cipher aliases should be included within the returned array.

### 반환값

An array of available cipher methods.

### 예제

Example #1 openssl_get_cipher_methods() example

Shows how the available ciphers might look, and also which aliases might be available.

`<?php
$ciphers = openssl_get_cipher_methods();
$ciphers_and_aliases = openssl_get_cipher_methods(true);
$cipher_aliases = array_diff($ciphers_and_aliases, $ciphers);
print_r($ciphers);
print_r($cipher_aliases);
?>`

위 예제의 출력 예시:

    Array
    (
        [0] => AES-128-CBC
        [1] => AES-128-CFB
        [2] => AES-128-CFB1
        [3] => AES-128-CFB8
        [4] => AES-128-ECB
        [5] => AES-128-OFB
        [6] => AES-192-CBC
        [7] => AES-192-CFB
        [8] => AES-192-CFB1
        [9] => AES-192-CFB8
        [10] => AES-192-ECB
        [11] => AES-192-OFB
        [12] => AES-256-CBC
        [13] => AES-256-CFB
        [14] => AES-256-CFB1
        [15] => AES-256-CFB8
        [16] => AES-256-ECB
        [17] => AES-256-OFB
        [18] => BF-CBC
        [19] => BF-CFB
        [20] => BF-ECB
        [21] => BF-OFB
        [22] => CAST5-CBC
        [23] => CAST5-CFB
        [24] => CAST5-ECB
        [25] => CAST5-OFB
        [26] => DES-CBC
        [27] => DES-CFB
        [28] => DES-CFB1
        [29] => DES-CFB8
        [30] => DES-ECB
        [31] => DES-EDE
        [32] => DES-EDE-CBC
        [33] => DES-EDE-CFB
        [34] => DES-EDE-OFB
        [35] => DES-EDE3
        [36] => DES-EDE3-CBC
        [37] => DES-EDE3-CFB
        [38] => DES-EDE3-OFB
        [39] => DES-OFB
        [40] => DESX-CBC
        [41] => IDEA-CBC
        [42] => IDEA-CFB
        [43] => IDEA-ECB
        [44] => IDEA-OFB
        [45] => RC2-40-CBC
        [46] => RC2-64-CBC
        [47] => RC2-CBC
        [48] => RC2-CFB
        [49] => RC2-ECB
        [50] => RC2-OFB
        [51] => RC4
        [52] => RC4-40
        [53] => aes-128-cbc
        [54] => aes-128-cfb
        [55] => aes-128-cfb1
        [56] => aes-128-cfb8
        [57] => aes-128-ecb
        [58] => aes-128-ofb
        [59] => aes-192-cbc
        [60] => aes-192-cfb
        [61] => aes-192-cfb1
        [62] => aes-192-cfb8
        [63] => aes-192-ecb
        [64] => aes-192-ofb
        [65] => aes-256-cbc
        [66] => aes-256-cfb
        [67] => aes-256-cfb1
        [68] => aes-256-cfb8
        [69] => aes-256-ecb
        [70] => aes-256-ofb
        [71] => bf-cbc
        [72] => bf-cfb
        [73] => bf-ecb
        [74] => bf-ofb
        [75] => cast5-cbc
        [76] => cast5-cfb
        [77] => cast5-ecb
        [78] => cast5-ofb
        [79] => des-cbc
        [80] => des-cfb
        [81] => des-cfb1
        [82] => des-cfb8
        [83] => des-ecb
        [84] => des-ede
        [85] => des-ede-cbc
        [86] => des-ede-cfb
        [87] => des-ede-ofb
        [88] => des-ede3
        [89] => des-ede3-cbc
        [90] => des-ede3-cfb
        [91] => des-ede3-ofb
        [92] => des-ofb
        [93] => desx-cbc
        [94] => idea-cbc
        [95] => idea-cfb
        [96] => idea-ecb
        [97] => idea-ofb
        [98] => rc2-40-cbc
        [99] => rc2-64-cbc
        [100] => rc2-cbc
        [101] => rc2-cfb
        [102] => rc2-ecb
        [103] => rc2-ofb
        [104] => rc4
        [105] => rc4-40
    )
    Array
    (
        [18] => AES128
        [19] => AES192
        [20] => AES256
        [21] => BF
        [26] => CAST
        [27] => CAST-cbc
        [32] => DES
        [47] => DES3
        [48] => DESX
        [50] => IDEA
        [55] => RC2
        [82] => aes128
        [83] => aes192
        [84] => aes256
        [85] => bf
        [90] => blowfish
        [91] => cast
        [92] => cast-cbc
        [97] => des
        [112] => des3
        [113] => desx
        [115] => idea
        [120] => rc2
    )

### 참고

- openssl_get_md_methods() - Gets available digest methods

openssl_free_key
openssl_get_md_methods
OpenSSL 함수 목록
PHP Manual