# Re: Need RSA Encryption/Decryption Delays

*From*: gordonb.8w4bm@xxxxxxxxxxx (Gordon Burditt)*Date*: Sat, 03 Jun 2006 20:36:33 -0000

actually i was doing a simulation on ad hoc networks in NS in which i

had used RSA+threshold cryptography for implementing distributed

Certification Authority.

I have coded the Threshold RSA technique as given by Victor Shoup in

"Practical Threshold Signatures" after modifying it slightly.

I have used the BigInteger datatype in Java to code the cryptographic

functions. but needed some standard delay values to verify the timing

of my routines.

The standard "Estimated Time to Completion" of a software project

is "2 weeks". (However, 2 weeks later it may still be "2 weeks".)

What is a "standard delay value" (for anything)? What's the "standard

delay value" for travelling between New York City and San Francisco,

given that you don't know yet whether travel is by commercial

airline, car, missile, bicycle, or walking, or whether it's being

done during a high-traffic vacation season vs. a relatively idle

time for travel, and you don't know what the security alert level

will be?

If i could get the timing for Thershold RSA it will be

nice, or atleast the standard RSA delay values for different key size

will also serve the purpose.

Are you using a #4 (vs. #2) pencil? What paper size are you using?

Is RSA encryption/decryption O(n**2), so doubling the key size

increases the encryption or decryption time by a factor of 4?

(Key generation will be a lot different).

Gordon L. Burditt

.

**References**:**Need RSA Encryption/Decryption Delays***From:*sanjay

**Re: Need RSA Encryption/Decryption Delays***From:*Unruh

**Re: Need RSA Encryption/Decryption Delays***From:*sanjay

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