PHP openssl_get_curve_names()函数

openssl_get_curve_names()函数是PHP中的一个内置函数，用于在椭圆曲线密码学中绘制曲线名称。两个最广泛标准化或支持的曲线是prime256v1 (NIST P-256)和secp384r1 (NIST P-384) 。曲线名称通常包含一个数字，该数字是二进制表示中的位数。

AES、RSA、DSA 和 ECC 密钥大小的近似等效项

AES Symmetric Keysize (Bits)	RSA and DSA Keysize (Bits)	ECC Keysize (Bits)

80	1024	160
122	2048	224
128	3072	256
192	7680	384
256	15360	512

句法：

openssl_get_curve_names ( void ): array

参数：此函数不接受任何参数。

返回值：此函数返回可用曲线名称的数组。

下面的程序说明了PHP中的openssl_get_curve_names()函数。

例子：

PHP

输出：

Array
(
   [0] => secp112r1
   [1] => secp112r2
   [2] => secp128r1
   [3] => secp128r2
   [4] => secp160k1
   [5] => secp160r1
   [6] => secp160r2
   [7] => secp192k1
   [8] => secp224k1
   [9] => secp224r1
   [10] => secp256k1
   [11] => secp384r1
   [12] => secp521r1
   [13] => prime192v1
   [14] => prime192v2
   [15] => prime192v3
   [16] => prime239v1
   [17] => prime239v2
   [18] => prime239v3
   [19] => prime256v1
   [20] => sect113r1
   [21] => sect113r2
   [22] => sect131r1
   [23] => sect131r2
   [24] => sect163k1
   [25] => sect163r1
   [26] => sect163r2
   [27] => sect193r1
   [28] => sect193r2
   [29] => sect233k1
   [30] => sect233r1
   [31] => sect239k1
   [32] => sect283k1
   [33] => sect283r1
   [34] => sect409k1
   [35] => sect409r1
   [36] => sect571k1
   [37] => sect571r1
   [38] => c2pnb163v1
   [39] => c2pnb163v2
   [40] => c2pnb163v3
   [41] => c2pnb176v1
   [42] => c2tnb191v1
   [43] => c2tnb191v2
   [44] => c2tnb191v3
   [45] => c2pnb208w1
   [46] => c2tnb239v1
   [47] => c2tnb239v2
   [48] => c2tnb239v3
   [49] => c2pnb272w1
   [50] => c2pnb304w1
   [51] => c2tnb359v1
   [52] => c2pnb368w1
   [53] => c2tnb431r1
   [54] => wap-wsg-idm-ecid-wtls1
   [55] => wap-wsg-idm-ecid-wtls3
   [56] => wap-wsg-idm-ecid-wtls4
   [57] => wap-wsg-idm-ecid-wtls5
   [58] => wap-wsg-idm-ecid-wtls6
   [59] => wap-wsg-idm-ecid-wtls7
   [60] => wap-wsg-idm-ecid-wtls8
   [61] => wap-wsg-idm-ecid-wtls9
   [62] => wap-wsg-idm-ecid-wtls10
   [63] => wap-wsg-idm-ecid-wtls11
   [64] => wap-wsg-idm-ecid-wtls12
   [65] => Oakley-EC2N-3
   [66] => Oakley-EC2N-4
   [67] => brainpoolP160r1
   [68] => brainpoolP160t1
   [69] => brainpoolP192r1
   [70] => brainpoolP192t1
   [71] => brainpoolP224r1
   [72] => brainpoolP224t1
   [73] => brainpoolP256r1
   [74] => brainpoolP256t1
   [75] => brainpoolP320r1
   [76] => brainpoolP320t1
   [77] => brainpoolP384r1
   [78] => brainpoolP384t1
   [79] => brainpoolP512r1
   [80] => brainpoolP512t1
   [81] => SM2
)

参考： https://www. PHP.net/manual/en/函数.openssl-get-curve-names。 PHP

PHP openssl_get_curve_names()函数

AES Symmetric Keysize (Bits)

RSA and DSA Keysize (Bits)

ECC Keysize (Bits)

PHP