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(Ruby) Get ECC Private Key in JWK Format (JSON Web Key)Demonstrates how to get an ECC private key in JWK (JSON Web Key) format. Note: This example requires Chilkat v9.5.0.66 or later.
require 'chilkat' # Note: This example requires Chilkat v9.5.0.66 or later. # Load a PEM file into memory. sbPem = Chilkat::CkStringBuilder.new() success = sbPem.LoadFile("qa_data/pem/ecc_privKey.pem","utf-8") if (success != true) print "Failed to load PEM file." + "\n"; exit end # Load the PEM into a private key object. privKey = Chilkat::CkPrivateKey.new() success = privKey.LoadPem(sbPem.getAsString()) if (success != true) print privKey.lastErrorText() + "\n"; exit end # Get the private key in JWK format: jwk = privKey.getJwk() # The GetJwk method will return the JWK in the most compact JSON format possible, # as a single line with no extra whitespace. To get a more human-readable JWK (for this example), # load into a Chilkat JSON object and emit non-compact: json = Chilkat::CkJsonObject.new() json.Load(jwk) json.put_EmitCompact(false) print "ECC Private Key in JWK format:" + "\n"; print json.emit() + "\n"; # Sample output: # { # "kty": "EC", # "crv": "P-256", # "x": "oBUyo8CQAFPeYPvv78ylh5MwFZjTCLQeb042TjiMJxE", # "y": "vvQyxZkUjJQUPU_0bCy3Pj5qQdfu8jwEfqEeYGZ95CU", # "d": "EbVzfPnZPxfAyxqEZV05laAoJAl-_6Xt2O4mOB611sM" # } # # Additional information can be added like this: json.AppendString("use","enc") json.AppendString("kid","123ABC") # Now examine the JSON: print json.emit() + "\n"; # { # "kty": "EC", # "crv": "P-256", # "x": "oBUyo8CQAFPeYPvv78ylh5MwFZjTCLQeb042TjiMJxE", # "y": "vvQyxZkUjJQUPU_0bCy3Pj5qQdfu8jwEfqEeYGZ95CU", # "d": "EbVzfPnZPxfAyxqEZV05laAoJAl-_6Xt2O4mOB611sM", # "use": "enc", # "kid": "123ABC" # } |
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