最終更新:2013-12-01 (日) 10:08:33 (3791d)  

openssl rsa
Top / openssl rsa

RSA key processing tool

http://www.openssl.org/docs/apps/rsa.html

パスフレーズの削除 

openssl rsa -in server.key -out server.key
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生成した鍵に含まれる情報を表示 

openssl genrsa 2048 | openssl rsa -noout -text
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32bit

  • http://inaz2.hatenablog.com/entry/2013/11/27/225953 
    $ openssl genrsa 32 | openssl rsa -noout -text
Generating RSA private key, 32 bit long modulus
.+++++++++++++++++++++++++++
.+++++++++++++++++++++++++++
e is 65537 (0x10001)
Private-Key: (32 bit)
modulus: 3243485389 (0xc153a8cd)
publicExponent: 65537 (0x10001)
privateExponent: 2834145457 (0xa8eda0b1)
prime1: 59747 (0xe963)
prime2: 54287 (0xd40f)
exponent1: 34201 (0x8599)
exponent2: 36255 (0x8d9f)
coefficient: 58029 (0xe2ad)
  • 意味
    • modulusとpublicExponentが公開鍵、privateExponentが秘密鍵
    modulus           INTEGER,  -- n == p*q
publicExponent    INTEGER,  -- e == 65537 (=0x10001)
privateExponent   INTEGER,  -- d == e^(-1) mod (p-1)*(q-1)
prime1            INTEGER,  -- p
prime2            INTEGER,  -- q
exponent1         INTEGER,  -- d mod (p-1)
exponent2         INTEGER,  -- d mod (q-1)
coefficient       INTEGER,  -- q^(-1) mod p



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