Bram Cymet wrote:
Hi,
Is it possible to use openssl to do ecdsa encryption/decryption and if
so how? Or can someone recommend a linux command line tool that would?
Thanks,
I think it is possible to use elliptic keys for encryption. I'm not sure
about a command
line tool, but you should be able to use the library to roll your own.
Have a look at http://www.openssl.org/docs/crypto/ecdsa.html for an
example to
create an EC key and sign data with it.
Then you can have a look at the EVP interface to encrypt/decrypt data
(EVP_PKEY_assign_EC_KEY,
EVP_SealInit, EVP_SealUpdate, EVP_SealFinal, EVP_OpenInit,
EVP_OpenUpdate, EVP_OpenFinal)
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