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OpenSSL "genpkey dsa_paramgen_bits:10240" - DSA Long Keys
How to generate a new DSA key pair with a longer key size using OpenSSL "genpkey" command?
✍: FYIcenter.com
If you need a new DSA key pair with a longer key size for testing purpose, you can use the OpenSSL "genpkey" command as shown below:
C:\Users\fyicenter>time The current time is: 20:36:46.56 C:\Users\fyicenter>\local\openssl\openssl OpenSSL> genpkey -genparam -algorithm dsa -out dsa_test.prm -pkeyopt dsa_paramgen_bits:10240 .+++++++++++++++++++++++++++++++++++++++++++++++++++* ....+...............+....+................+..............+...........+..+.....+. ..+............+..........+....+.......................+.....+........+..+.+.+.. .......+...+.........+..+.+...................+.....+...+......................+ .......+...................................+.+..+.........+..+................+. ... OpenSSL> exit C:\Users\fyicenter>time The current time is: 20:44:19.50 C:\Users\fyicenter>\local\openssl\openssl OpenSSL> genpkey -paramfile dsa_test.prm -out dsa_test.key OpenSSL> pkey -in dsa_test.key -text -noout Private-Key: (10240 bit) priv: 23:d6:bc:be:3d:b3:d8:7e:d9:2b:05:3c:cd:19:e6: 60:67:0c:13:cd pub: 61:36:6c:aa:63:fe:07:d2:f9:8c:43:e7:ce:ab:b4: 5c:b8:64:7b:d3:12:79:a2:a4:dc:01:3b:a5:6f:42: b8:3e:dc:ad:f0:94:da:d9:ef:e8:91:14:fb:50:8c: ...
What this test tells us:
⇒ OpenSSL "genpkey -des" - DES Encrypt DSA Keys
⇐ OpenSSL "genpkey dsa_paramgen_bits:256" - DSA Short Keys
2017-11-25, 2398🔥, 0💬
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