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(Unicode C) Create JWT Using Ed25519 Private Key (EdDSA)See more JSON Web Token (JWT) ExamplesDemonstrates how to create a JWT using an Ed25519 private key. If the private key is Ed25519, which is an EdDSA algorithm, the JOSE header's "alg" member should be set to "EdDSA". Note: This example requires Chilkat v9.5.0.95 or greater.
#include <C_CkPrivateKeyW.h> #include <C_CkJwtW.h> #include <C_CkJsonObjectW.h> void ChilkatSample(void) { HCkPrivateKeyW privKey; BOOL success; HCkJwtW jwt; HCkJsonObjectW jose; HCkJsonObjectW claims; int curDateTime; const wchar_t *token; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Demonstrates how to create a JWT using an Ed25519 private key. privKey = CkPrivateKeyW_Create(); // Load an Ed25519 (EdDSA) private key from a PEM file. success = CkPrivateKeyW_LoadPemFile(privKey,L"qa_data/eddsa/ed25519.pem"); if (success != TRUE) { wprintf(L"%s\n",CkPrivateKeyW_lastErrorText(privKey)); CkPrivateKeyW_Dispose(privKey); return; } jwt = CkJwtW_Create(); // Build the JOSE header jose = CkJsonObjectW_Create(); // ----------------------------------------------------------------- // Note: This example requires Chilkat v9.5.0.95 or greater. // ----------------------------------------------------------------- success = CkJsonObjectW_AppendString(jose,L"alg",L"EdDSA"); success = CkJsonObjectW_AppendString(jose,L"typ",L"JWT"); // Now build the JWT claims (also known as the payload) claims = CkJsonObjectW_Create(); success = CkJsonObjectW_AppendString(claims,L"iss",L"http://example.org"); success = CkJsonObjectW_AppendString(claims,L"sub",L"John"); success = CkJsonObjectW_AppendString(claims,L"aud",L"http://example.com"); // (optional) Set the timestamp of when the JWT was created to now. curDateTime = CkJwtW_GenNumericDate(jwt,0); success = CkJsonObjectW_AddIntAt(claims,-1,L"iat",curDateTime); // (optional) Set the "not process before" timestamp to now. success = CkJsonObjectW_AddIntAt(claims,-1,L"nbf",curDateTime); // (optional) Set the timestamp defining an expiration time (end time) for the token // to be now + 1 hour (3600 seconds) success = CkJsonObjectW_AddIntAt(claims,-1,L"exp",curDateTime + 3600); // Produce the smallest possible JWT: CkJwtW_putAutoCompact(jwt,TRUE); // Create the JWT token. token = CkJwtW_createJwtPk(jwt,CkJsonObjectW_emit(jose),CkJsonObjectW_emit(claims),privKey); wprintf(L"%s\n",token); // Example output: // eyJhbGciOiJFZERTQSIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJodHRwOi8vZXhhbXBsZS5vcmciLCJzdWIiOiJKb2huIiwiYXVkIjoiaHR0cDovL2V4YW1wbGUuY29tIiwiaWF0IjoxNjg3OTcwNjgyLCJuYmYiOjE2ODc5NzA2ODIsImV4cCI6MTY4Nzk3NDI4Mn0.eyfrDJfuWJSJVJPfAUYb_p_c-LF_YULHGRaZx82MLLjMLCCFEEGckp8icuayf5bLW9ah20LzYYt0JgOBIB0RDg CkPrivateKeyW_Dispose(privKey); CkJwtW_Dispose(jwt); CkJsonObjectW_Dispose(jose); CkJsonObjectW_Dispose(claims); } |
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