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OpenSSL "dsaparam 512" - Generate DSA Short Keys
How to generate a new DSA key pair with a shorter key size using OpenSSL "gendsa" command?
✍: FYIcenter.com
If you need a new DSA key pair with a shorter key size for testing purpose, you can use the OpenSSL "gendsa" command as shown below:
C:\Users\fyicenter>\local\openssl\openssl.exe OpenSSL> dsaparam -out my_dsa_short.key -genkey 512 Generating DSA parameters, 512 bit long prime This could take some time ............+..+.....+++++++++++++++++++++++++++++++++++++++++++++++++++* ...............+...+...+++++++++++++++++++++++++++++++++++++++++++++++++++* OpenSSL> dsa -in my_dsa_short.key -text -noout read DSA key Private-Key: (512 bit) priv: 2d:32:ef:7f:78:de:2c:bf:60:07:e1:63:b5:77:b3: 7d:6d:ab:93:98 pub: 59:33:3b:54:17:e2:a5:29:22:f3:fc:0c:7d:6f:d3: 66:5d:35:ed:22:23:3d:ac:3a:24:1a:a1:e6:92:bd: 62:97:56:f2:a3:43:0e:11:1c:54:65:73:7f:17:eb: 34:18:d5:bf:e0:eb:de:f0:93:e4:7e:05:48:51:18: e4:5d:a8:9d P: 00:f1:f6:81:53:b7:b2:cb:e5:b8:13:e3:03:38:14: cd:7f:4a:b6:12:80:c8:8f:45:50:43:72:56:55:b9: 95:d0:92:b3:5d:3a:02:31:77:bc:68:c2:b2:41:01: 74:99:4b:a7:d6:48:2b:d2:8b:5e:3b:65:a4:60:98: f6:18:f2:bd:01 Q: 00:91:b6:b3:36:35:6f:a6:6e:90:f4:a9:e4:98:17: ef:1c:a9:94:29:f9 G: 31:e6:15:c5:21:65:10:fa:e5:1a:47:44:b3:76:15: 65:08:d2:20:e1:12:0c:6a:30:84:63:96:c7:f6:0c: 7a:c6:98:b4:90:eb:22:a0:02:5e:63:5f:0d:1e:f0: 16:4c:87:e5:c1:3f:b9:28:a2:d3:6e:38:18:eb:07: 05:47:af:64 error in dsa
What this test tells us:
⇒ OpenSSL "gendsa 10240" - Generate DSA Long Keys
⇐ OpenSSL "dsa -pubin" - View DSA Public Key
2016-12-24, 2175🔥, 0💬
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