rsa 备忘

从公钥以及私钥里边提取N，E, D参数

openssl.exe rsa  -inform PEM -text -noout -in .\rsa_private_key.pem
openssl.exe rsa -pubin -inform PEM -text -noout -in rsa_public_key.pem

# modulus: N
# publicExponent: E
# privateExponent: D