Ecc 0.2.2 review

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License: GPL (GNU General Public License)
File size: 66K
Developer: David Stes
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ECC is a package for Elliptic Curve cryptography.

ECC is implemented by using OpenSSL 0.9.6a or higher, for message digests and symmetric ciphers, and by using the Portable Object Compiler and Computer Algebra Kit for the elliptic curve cryptography.

Important note: you need version 3.2.5 of the compiler to compile this package.

See the README and INSTALL files in the package for instructions on how to use and how to install the ec-keygen, ec-sign, ec-verify, ec-crypt and ec-decrypt commands.

List nicknames of curves:

ec-keygen -l
c47n23r1:secp112r1:secp112r2:secp160r1:secp384r1:sect113r1:sect163k1

Generate a public and private key:

ec-keygen -e secp112r2 -o stes

Generated files:

ls -ltr stes.pub stes.prv
-rw-r--r-- 1 stes users 311 Jul 12 22:00 stes.pub
-rw------- 1 stes users 135 Jul 12 22:00 stes.prv

Digital Signature:

ec-sign -c sha1 -k stes.prv -f README -s README.sign

Verify the signature:

ec-verify -k stes.pub -f README -s README.sign
echo $?
0

Encrypt:

ec-crypt -c aes-128-cbc -k stes.pub -f README -s README.key -o enc
ec-crypt: unable to get 16 bytes of key from this curve, use a different curve
ec-crypt -c rc4-40 -k stes.pub -f README -s README.key -o enc

Decrypt:

ec-decrypt -k stes.prv -f enc -s README.key -o myREADME

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