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OpenSSL "ans1parse" - DSA Public Key in ASN.1 Structure
How to view the ASN.1 structure of an DSA public key using the OpenSSL "asn1parse" command?
✍: FYIcenter.com
You can use the OpenSSL "asn1parse" command to view the ASN.1 structure
of an DSA public key as shown in the test below:
C:\Users\fyicenter>\local\openssl\openssl pkey -in dsa_pri.key -pubout -out dsa_pub.key C:\Users\fyicenter>\local\openssl\openssl asn1parse -in dsa_pub.key -i 0:d=0 hl=3 l= 240 cons: SEQUENCE 3:d=1 hl=3 l= 168 cons: SEQUENCE 6:d=2 hl=2 l= 7 prim: OBJECT :dsaEncryption 15:d=2 hl=3 l= 156 cons: SEQUENCE 18:d=3 hl=2 l= 65 prim: INTEGER :B2A22FE456DD10930CEED27DE2E58 E69E27CB52E14BE655C5D0F4EDC4A627A800A211DABD9B07D974EF3C997DD198E31C2B238696CBF5 E9984B1EE3D11B2D9E3 85:d=3 hl=2 l= 21 prim: INTEGER :A17145E13E0034692FC1BD85BDF88 E1AA578818D 108:d=3 hl=2 l= 64 prim: INTEGER :79F4E4FB123458BFDD388E0CC90D7 76C3CBB9C82E10668C71318D322AF5968EE8FB9F64F9AC09A9AAA24AD8DED795B7CE4BB81E02047A AC4D3E95513AA8FD5DD 174:d=1 hl=2 l= 67 prim: BIT STRING C:\Users\fyicenter>\local\openssl\openssl asn1parse -in dsa_pub.key -strparse 174 0:d=0 hl=2 l= 64 prim: INTEGER :424A04378703B51FAD65CEC2C59BF6FA 2CD40AA64C43975B564004519798E5B2FCC74D4DE407B73812341ABBCE0878CD2CA23A4501992E63 842531BCAA7A9702 C:\Users\fyicenter>\local\openssl\openssl pkey -pubin -in dsa_pub.key -text -noout pub: 42:4a:04:37:87:03:b5:1f:ad:65:ce:c2:c5:9b:f6: fa:2c:d4:0a:a6:4c:43:97:5b:56:40:04:51:97:98: e5:b2:fc:c7:4d:4d:e4:07:b7:38:12:34:1a:bb:ce: 08:78:cd:2c:a2:3a:45:01:99:2e:63:84:25:31:bc: aa:7a:97:02 P: 00:b2:a2:2f:e4:56:dd:10:93:0c:ee:d2:7d:e2:e5: 8e:69:e2:7c:b5:2e:14:be:65:5c:5d:0f:4e:dc:4a: 62:7a:80:0a:21:1d:ab:d9:b0:7d:97:4e:f3:c9:97: dd:19:8e:31:c2:b2:38:69:6c:bf:5e:99:84:b1:ee: 3d:11:b2:d9:e3 Q: 00:a1:71:45:e1:3e:00:34:69:2f:c1:bd:85:bd:f8: 8e:1a:a5:78:81:8d G: 79:f4:e4:fb:12:34:58:bf:dd:38:8e:0c:c9:0d:77: 6c:3c:bb:9c:82:e1:06:68:c7:13:18:d3:22:af:59: 68:ee:8f:b9:f6:4f:9a:c0:9a:9a:aa:24:ad:8d:ed: 79:5b:7c:e4:bb:81:e0:20:47:aa:c4:d3:e9:55:13: aa:8f:d5:dd
Note about the test:
⇒ OpenSSL "ans1parse" - Configuration File for DSA Public Key
⇐ OpenSSL "ans1parse" - Configuration File for DSA Private Key
2016-09-26, 6712👍, 0💬
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