openssl req -noout -text -in 証明書.csr
Certificate Request: Data: Version: 0 (0x0) Subject: C=JP, ST=Tokyo, L=XXX, O=XXX, OU=XXX, CN=xxx.com/emailAddress=xxx@xxx.com Subject Public Key Info: Public Key Algorithm: rsaEncryption RSA Public Key: (2048 bit) .....