hello
It seems that sect163k1 public keys can have two formats
The first with a key lentgh of 43 bytes which seems to be the standard,
the second used by openssl with length 64 bytes.
Can anyone tell me where I can find informations on that and what it the
impact on signature.
I used a
the uncompressed size is 43 bytes and the compressed
form 22
Bruno
Not sure on the signature part of your question.
Bill
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bruno Vétel
Sent: October 9, 2008 4:35 PM
To: openssl-users
Hello
I would like to sign the digest of a file using the elliptic curve
sect233r1
I generate my by
openssl ecparam -genkey -name sect233r1 -noout -out id_eckey
Signing by
openssl dgst -sha1 -sign id_eckey file = OK = OK
openssl dgst -sha512 -sign id_eckey file = NOK
When I try to generate