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Why length of R is 168bits in ECC FP 160?

Algorithm School

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BirdKing
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Why length of R is 168bits in ECC FP 160?

Post by BirdKing » Fri Nov 06, 2015 12:31 am

hello,
Lately, I tested ECC. When I generated a ecc keypair of 160bits, I found the length R is 168bits. That made me very doubt.
Why length of R is 168bits while ecc key length is 160bits?
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UNKNwYSHSA
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Re: Why length of R is 168bits in ECC FP 160?

Post by UNKNwYSHSA » Wed Nov 11, 2015 2:23 am

R is the part of signature data? Are you make mistake?
This is same as your another post: viewtopic.php?f=12&t=222&p=582#p582
Please have a try and give me your result.
sense and simplicity
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