To view the content of a signing request run the following: openssl req -noout -text -in signrequest.csr Should get you something like this: #>openssl req -noout -text -in signrequest.csr Certificate Request: Data: Version: 0 (0x0) Subject: C=AU, ST=Some-State, L=xx, O=Internet Widgits Pty Ltd, OU=unit, CN=www.some-ssl-site.com Subject Public Key Info: Public Key Algorithm: rsaEncryption RSA Public Key: (2048 bit) Modulus (2048 bit): 00:c9:a1:4c:d4:5f:fe:3c:e4:3a:e0:ea:e6:00:95: e9:87:26:81:f2:e1:cf:0c:21:d8:0e:fa:d0:a3:55: fe:57:28:aa:86:f8:b1:66:2b:cc:45:27:80:31:6f: 7c:ef:03:a1:92:cf:7f:8f:2e:64:aa:68:30:71:77: b7:0b:7e:3c:07:6a:74:ed:b4:ff:fe:7d:19:54:b3: f8:1d:13:81:26:41:c6:e8:7a:38:f5:95:b8:d4:d0: 1d:d2:0b:ed:02:41:1b:cd:6b:f4:31:9e:a3:f4:aa: 59:d9:9a:b2:a4:53:90:00:1f:db:68:b5:50:a8:7a: dc:23:a4:55:e5:42:e2:1b:c8:3c:18:5f:77:02:71: 74:16:d4:df:49:2d:ce:a6:da:ac:80:d1:c8:29:1d: aa:02:4e:34:34:e1:66:0f:56:c2:ff:03:a0:f1:91: 3e:a6:b4:c5:4e:cc:02:22:9e:fe:0f:38:45:74:2b: 9d:71:13:f9:1d:0f:9c:1b:ac:cf:a0:1c:6b:75:12: 51:41:64:e4:9d:41:7c:76:b7:72:fb:dd:14:07:c2: 9d:62:21:34:92:d6:77:3c:bb:1c:5d:1b:a7:4b:55: 7f:1a:3f:a0:e3:74:cf:01:68:af:47:bf:02:7d:4e: 84:fa:3b:84:65:ec:06:63:f3:3c:79:3c:7a:c0:3d: be:c3 Exponent: 65537 (0x10001) Attributes: a0:00 Signature Algorithm: sha1WithRSAEncryption ab:1f:fa:92:1a:f7:14:c9:e0:25:33:fa:f6:1c:c0:26:89:4a: 31:1e:13:21:66:32:07:de:c4:9a:e0:dd:e0:78:63:5c:3b:0b: f7:cc:46:f5:3a:f9:0d:b9:41:1a:70:7b:9b:43:46:d7:a5:0e: bb:fb:83:60:b9:68:3d:e6:0d:b4:ed:0f:28:3e:77:51:5b:a7: 49:3d:34:5e:cc:20:e5:a7:e5:5c:c8:ec:24:90:d4:3d:b4:0c: e9:40:1c:92:cf:f6:76:93:b1:c3:d8:11:c0:7e:f3:c0:74:a8: 30:78:69:a5:13:d7:a3:a2:3a:a6:af:1c:fb:7a:82:4a:f8:79: 55:73:10:ab:08:41:5d:f7:d9:66:5a:b8:16:1a:fc:8c:2b:86: 7f:8b:3a:72:06:fc:de:e6:d1:4e:fe:b9:f2:b9:b3:e8:86:7a: 22:cd:ee:01:a6:5f:a8:03:5f:8b:42:f4:d9:4c:7e:8a:3f:a0: 31:a4:a4:89:4c:7e:20:b4:e5:f8:4f:71:b6:d8:35:d8:a3:5f: c4:07:d6:79:90:e0:c1:1c:26:77:df:0c:f4:23:c9:89:a7:30: 87:45:59:67:4e:42:96:97:df:ee:95:b1:8e:a1:e2:7a:7c:75: 3f:0b:35:29:9f:ea:f1:9d:bb:d3:c6:31:7d:b7:9b:73:8a:a0: fc:87:52:9f