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OpenSSL "pkey -text" - Print RSA Key in Text
How to print private key contents in text format using OpenSSL "pkey" command?
✍: FYIcenter.com
If you want to see contents of a private key in text format,
you can use the OpenSSL "pkey -text" command as shown below:
C:\Users\fyicenter>\local\openssl\openssl.exe OpenSSL> pkey -in my_rsa.key -text -noout Private-Key: (1024 bit) modulus: 00:c0:13:13:00:63:be:36:61:60:40:9e:ff:b7:35: 30:08:f9:c5:11:95:04:2c:b3:32:6d:58:ef:ad:cf: 6c:2b:ca:87:b4:5d:b0:f7:c7:4b:66:e6:d0:72:3a: 37:19:ec:76:e9:ed:09:5a:51:17:f6:5e:69:37:68: dd:36:50:23:90:18:f1:bc:1b:8b:88:70:af:b6:bc: 27:08:76:24:c2:c0:bd:83:ba:39:31:62:0e:6e:e6: 00:2d:81:00:93:ac:d0:6a:26:21:a7:18:31:28:34: 96:b1:02:f4:7f:3e:4a:85:33:c0:f6:be:fa:1a:b7: a8:b1:8a:c8:5a:ff:ad:f5:51 publicExponent: 65537 (0x10001) privateExponent: 42:b9:9d:9d:42:09:3f:3c:fe:c2:14:3a:43:7c:0f: ae:de:8e:0e:78:95:15:ae:3e:f3:6b:b4:ff:cd:92: 07:78:79:42:38:56:15:0d:bf:ed:04:7c:1f:62:87: e7:d2:94:d0:d9:0e:a9:b8:88:39:87:3c:c8:09:fe: e7:32:59:d7:c7:b5:6f:4f:fb:9a:0a:76:e9:00:0d: 6b:f4:e3:91:63:24:ca:77:f8:cf:f8:80:8b:05:fb: 92:99:bd:ca:2c:c4:d8:b1:95:61:45:21:ca:7c:77: f4:67:c3:e1:49:63:fc:7e:a0:5d:27:12:a1:d1:8d: d1:c4:26:fa:03:be:74:c1 prime1: 00:f0:08:9f:1f:ae:71:cb:e8:c4:f2:ce:f1:b4:f1: dd:ec:ed:74:1d:a7:b9:02:72:5a:aa:34:cb:30:20: 4d:81:d0:a5:23:87:0b:65:00:55:d6:d1:4e:4f:48: 11:55:eb:b0:06:89:d9:05:0c:eb:15:75:25:d0:a0: 1f:52:44:4b:59 prime2: 00:cc:d9:c9:74:c6:68:89:15:36:0d:24:8b:71:eb: 97:21:d8:b3:74:a2:ec:0d:40:15:48:dd:6c:b6:a2: 0c:80:2c:bd:e3:3e:1d:26:7d:52:41:ad:7e:24:25: c4:37:5b:e0:72:a3:b4:8a:b1:01:ef:3a:ab:ce:bf: 9a:44:99:52:b9 exponent1: 66:e1:ab:22:6f:28:c3:57:7f:a2:fa:e4:4a:c4:28: 74:f6:ca:00:33:f5:6e:81:09:2f:4e:f5:90:29:28: 4f:6d:d8:7a:43:d5:b4:72:d2:58:02:da:67:cc:e1: f1:4b:d5:e4:d7:8c:b7:47:74:33:7c:44:bb:09:06: a3:c2:35:f1 exponent2: 46:d1:03:53:db:43:48:20:8d:0e:fe:13:36:ce:ba: f0:78:79:91:58:c1:41:d3:65:88:4b:03:ca:1f:3b: 33:14:44:90:ca:68:49:66:09:89:aa:f0:70:8e:9d: c6:85:7c:92:25:05:c4:ec:6c:3e:c7:89:9d:6f:9f: 65:17:9c:01 coefficient: 00:ea:49:fe:27:6c:18:37:fd:fa:5a:50:ac:85:f0: a7:a7:cd:46:d4:7e:ab:fd:ce:2d:48:37:5f:4d:70: 36:ab:b8:37:07:80:fd:76:89:b7:fb:43:48:22:b8: 8f:f6:a5:5d:2b:31:fd:3f:30:57:c1:d0:69:92:06: c6:05:7d:4d:53
This test tells us that an RSA key (private key and public key pair) is made of:
modulus, also called n: The modulus part of the private key and the public key publicExponent, also called e: The exponent part of the public key privateExponent, also called d: The exponent part of the private key prime1, also called p: The first prime number prime2, also called q: The second prime number coefficient, also called qInv (Inverse of q): qInv * q mod p = 1 exponent1, also called dp: d mod (p-1) exponent2, also called dq: d mod (q-1)
Options used in this command are:
⇒ OpenSSL "pkey -pubout" - Extract RSA Public Key
⇐ OpenSSL "pkey" Command Options
2018-01-16, 1660👍, 0💬
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