Python Buzz Forum - OpenSSL: How to create a DSA key and sign things

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OpenSSL: How to create a DSA key and sign things

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Phillip Pearson

Posts: 1083
Nickname: myelin
Registered: Aug, 2003

Phillip Pearson is a Python hacker from New Zealand

OpenSSL: How to create a DSA key and sign things

Posted: May 23, 2005 3:06 AM

This post originated from an RSS feed registered with Python Buzz by Phillip Pearson.
Original Post: OpenSSL: How to create a DSA key and sign things Feed Title: Second p0st Feed URL: http://www.myelin.co.nz/post/rss.xml Feed Description: Tech notes and web hackery from the guy that brought you bzero, Python Community Server, the Blogging Ecosystem and the Internet Topic Exchange	Latest Python Buzz Posts Latest Python Buzz Posts by Phillip Pearson Latest Posts From Second p0st

Some command lines that may be useful if you want to implement an OpenID identity server or consumer:

openssl dsaparam 1024 < /dev/random > dsaparam.pem

openssl gendsa dsaparam.pem -out dsa_priv.pem

openssl dsa -in dsa_priv.pem -pubout -out dsa_pub.pem

echo "foobar" > foo.txt

sha1sum < foo.txt | awk '{print $1}' > foo.sha1

openssl dgst -dss1 -sign dsa_priv.pem foo.sha1 > sigfile.bin

openssl dgst -dss1 -verify dsa_pub.pem -signature sigfile.bin foo.sha1

With any luck I'll have some PHP code available soon for the server side ...

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