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cipher vs signature algorithm?

843810Oct 3 2003 — edited Nov 16 2009
Hello,

What is the difference between a chipher and a signature algorithm? How can SunJSSE provider have an implementation of SHA1withRSA signature algorithm but not have an implementation of RSA cipher? Don't you need to have the cipher to do the signature?

Thanks for any insights.
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Locked on Dec 14 2009
Added on Oct 3 2003
#cryptography
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