Can I get the ecc public key from x and y components in PEM format using openssl? thank you!!!!!!!!!!! ...
Can I get the ecc public key from x and y components in PEM format using openssl? thank you!!!!!!!!!!! ...
I'm trying to verify that an EC point is on the curve. I've looked at a dozen similar issues around, but still can't get it right. I'm using OpenSSL ( ...
What is the best secure mode and padding scheme for ECIES replacement. ...
I am trying to build a blockchain project when I'm catching an issue about gob Serialize. I have a struct Wallet which uses elliptic.P256() Curve stru ...
I coded the ECDSA functions in my C++ program. When I test every signature works fine in my C++ ECDSA verify function, but not every one pass on the G ...
I have a KeyChain class where I sign a string. I got Thread 8: EXC_BAD_ACCESS (code=257, address=0x3fd574bc6a7ef9db) error at SecKeyIsAlgorithmSupport ...
I am trying to create a smart contract where I have to encrypt (and decrypt) data that I receive from a Python script running on a client. The data wi ...
I've written the below code following the official guide for ECDH Key Agreement on Android. But at the time of execution the code throws below erro ...
I want to achieve the following with the Nodejs crypto module: I want to sign a message with my private key on a defined EC and have the signature ...
Sorry to ask for debugging assistance but, as they say in the classics, "This used to work" :-) The "this" being the C# ECDsa.VerifyData() call below ...
I'm having trouble figuring out the right parameters to verify a SHA-256 signature that was created with an ECDSA P-256 public key in web crypto. Belo ...
I want to check if some pubkey belongs to twisted edwards25519 (I guess this is used for ed25519 ?) The problem is that I have in theory some valid pu ...
I'm trying to implement finite field arithmetic to use it in Elliptic Curve calculations. Since all that's ever used are arithmetic operations that co ...
How can I use ECC in C#? I think I should use ECDiffieHellman (although I am not sure, because it's probably not an asymmetric encryption algorithm th ...
I'm currently facing the challenge about 'Elliptic' module, I've created keyPair and I want to POST these keyPair object to another endpoint, what I f ...
I have test keys generated like here: vapid_private.pem: vapid_public.pem: vapid_private.pem: vapid_public.pem: Then I have converter c ...
I try to use Elliptic Curve Digital Signature Algorithm (ECDSA) with Bouncy Castle and Java. I want to generate a public key and private key. The prob ...
I am loading a public key in java using bouncy castle library but always getting error Invalid point encoding 0x45. The public key is generated at cl ...
So let's assume you want to verify a signature using a public key that uses ECDSA algorithm with brainpoolP256r1 elliptic curve. For running the code ...
I'm playing with manim and I'd like to create an animation with an elliptic curve. This is my code, in the file functions.py: When I execute this c ...