Questions tagged [prime256v1]

4 questions
2
votes
2 answers

ECDSA signature generated with mbedtls not verifiable in JOSE (while code worked with RSA key)

I have a small application running on an ESP32 dev board (I use the Arduino IDE together with the shipped mbedtls) that issues and verifies JWT tokens. I have at first used RSA signatures successfully, but now wanted to go for shorter signatures and…
mkuhlmann
  • 23
  • 5
1
vote
0 answers

why iOS and Android prime256v1 different

In android I am using the following code to generate KeyPair fun generateKeyPair(): KeyPair { val keyGen = KeyPairGenerator.getInstance("ECDH", BouncyCastleProvider()) val ecSpec = ECGenParameterSpec("prime256v1") …
Umar Ata
  • 4,170
  • 3
  • 23
  • 35
1
vote
1 answer

openssl command for encryption/decryption with prime256v1 private key?

I want to encrypt a simply message with an EC private key, specifically, prime256v1 by CMD; and decrypt with the corresponding EC public key. I have only found references for RSA in the asymmetric cryptographic case or encryption with an ec public…
irene gómez
  • 31
  • 1
  • 7
0
votes
1 answer

c# generate key pair using ecdh prime256v1

I'm making private/public key using ecdh var ecdh = new ECDiffieHellmanCng(CngKey.Create(CngAlgorithm.ECDiffieHellmanP256, null, new CngKeyCreationParameters { ExportPolicy = CngExportPolicies.AllowPlaintextExport })); var privateKey =…
David
  • 4,332
  • 13
  • 54
  • 93