Categories:
Android (13)
Apple Mac (27)
DH Keys (39)
DSA Keys (70)
EC Keys (976)
Firefox (30)
General (10)
Google Chrome (25)
Intermediate CA (152)
Java VM (29)
JDK Keytool (28)
Microsoft CertUtil (29)
Microsoft Edge (9)
Mozilla CertUtil (21)
OpenSSL (236)
Other (7)
Portecle (38)
Publishers (3305)
Revoked Certificates (16)
Root CA (85)
RSA Keys (2647)
Tools (46)
Tutorial (1)
What Is (22)
Windows (127)
Collections:
Other Resources:
OpenSSL "genpkey ec_paramgen_curve:secp521r1" - EC Long Keys
How to generate a new EC key pair with a longer key size using OpenSSL "genpkey" command?
✍: FYIcenter.com
If you need a new EC key pair with a longer key size for testing purpose,
you can use the OpenSSL "genpkey" command as shown below:
C:\Users\fyicenter>\local\openssl\openssl OpenSSL> genpkey -genparam -algorithm ec -out ec_test.prm -pkeyopt ec_paramgen_curve:secp521r1 OpenSSL> genpkey -paramfile ec_test.prm -out ec_test.key OpenSSL> pkey -in ec_test.key -text -noout Private-Key: (521 bit) priv: 00:da:99:e4:2b:b2:56:26:32:52:b7:ff:ef:e7:7c: ad:26:39:92:86:a3:7c:e6:22:42:b6:00:03:4a:04: 97:8c:cc:92:1c:d9:cc:5d:ea:18:63:55:25:d9:89: 06:a0:70:71:40:2c:3e:23:d5:9d:0f:f5:f5:de:e7: 5a:1a:27:56:21:fa pub: 04:00:0a:f4:43:d7:a5:ce:9c:9b:dc:57:4c:96:ba: 90:16:0f:c3:37:08:6c:93:bd:fd:09:f3:e1:27:e4: a7:c6:cd:9c:3c:bb:4a:34:b2:8f:af:57:fb:05:13: ...
What this test tells us:
⇒ OpenSSL "ecparam -list_curves" - List of EC Curves
⇐ OpenSSL "pkey -pubin" - View EC Public Key
2017-06-28, 5473👍, 0💬
Popular Posts:
How to add attributes in new CSR using OpenSSL "req -new" command? I was asked to create a CSR with ...
How to export a certificates from a system certificate store using "certmgr.exe" tool? You can expor...
How to get a list of all certificates in "Third-Party Root Certification Authorities" certificate st...
How to read the connection information on the page properties screen in IE? What is the meaning of "...
How to use the "prompt=no" mode of the OpenSSL "req -new" command? I want to specify DN field values...