rsa密钥格式转换

最新推荐文章于 2025-04-15 17:35:01 发布

Cosmop01itan

最新推荐文章于 2025-04-15 17:35:01 发布

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分类专栏：密码学

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以知RSA公钥文件:—–BEGIN PUBLIC KEY—–
MDwwDQYJKoZIhvcNAQEBBQADKwAwKAIhAMJjauXD2OQ/+5erCQKPGqxsC/bNPXDr
yigb/+l/vjDdAgMBAAE=
—–END PUBLIC KEY—–
将其转换为n和e

在Ubuntu中:shell下执行
openssl rsa -pubin -text -modulus -in pubkey.pem
//--------------------结果-----------------------------------------
Public-Key: (256 bit)
Modulus:
    00:c2:63:6a:e5:c3:d8:e4:3f:fb:97:ab:09:02:8f:
    1a:ac:6c:0b:f6:cd:3d:70:eb:ca:28:1b:ff:e9:7f:
    be:30:dd
Exponent: 65537 (0x10001)
Modulus=C2636AE5C3D8E43FFB97AB09028F1AAC6C0BF6CD3D70EBCA281BFFE97FBE30DD
writing RSA key
-----BEGIN PUBLIC KEY-----
MDwwDQYJKoZIhvcNAQEBBQADKwAwKAIhAMJjauXD2OQ/+5erCQKPGqxsC/bNPXDr
yigb/+l/vjDdAgMBAAE=
-----END PUBLIC KEY-----
n为C2636AE5C3D8E43FFB97AB09028F1AAC6C0BF6CD3D70EBCA281BFFE97FBE30DD
e为65537