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(Unicode C) Convert Java KeyStore to PEMLoads a Java keystore file and saves the trusted certificate entries to a PEM file.
#include <C_CkJavaKeyStoreW.h> #include <C_CkFileAccessW.h> #include <C_CkCertW.h> void ChilkatSample(void) { HCkJavaKeyStoreW jks; const wchar_t *jksPassword; BOOL success; HCkFileAccessW fac; int numCerts; int i; HCkCertW cert; const wchar_t *pem; // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. jks = CkJavaKeyStoreW_Create(); jksPassword = L"myJksPassword"; // Load the Java keystore from a file. The JKS file password is used // to verify the keyed digest that is found at the very end of the keystore. // It verifies that the keystore has not been modified. success = CkJavaKeyStoreW_LoadFile(jks,jksPassword,L"/someDir/keyStore.jks"); if (success != TRUE) { wprintf(L"%s\n",CkJavaKeyStoreW_lastErrorText(jks)); CkJavaKeyStoreW_Dispose(jks); return; } // Open/create the output PEM file. // This example uses Chilkat's file access class for writing the output file. // You may replace the file I/O lines of code with whatever is most convenient for you. fac = CkFileAccessW_Create(); success = CkFileAccessW_OpenForWrite(fac,L"/pemFiles/caCerts.pem"); if (success != TRUE) { wprintf(L"%s\n",CkFileAccessW_lastErrorText(fac)); CkJavaKeyStoreW_Dispose(jks); CkFileAccessW_Dispose(fac); return; } numCerts = CkJavaKeyStoreW_getNumTrustedCerts(jks); // Iterate over the trusted certs, get the PEM for each, // and append it to the output file. i = 0; while (i < numCerts) { cert = CkJavaKeyStoreW_GetTrustedCert(jks,i); // Get the certificate in PEM format. pem = CkCertW_exportCertPem(cert); // Append the PEM string to the open file. // The PEM contains only us-ascii chars.. success = CkFileAccessW_AppendAnsi(fac,pem); if (success != TRUE) { wprintf(L"%s\n",CkFileAccessW_lastErrorText(fac)); CkCertW_Dispose(cert); CkJavaKeyStoreW_Dispose(jks); CkFileAccessW_Dispose(fac); return; } CkCertW_Dispose(cert); i = i + 1; } // Close the output file. CkFileAccessW_FileClose(fac); wprintf(L"Trusted certificates saved to PEM.\n"); CkJavaKeyStoreW_Dispose(jks); CkFileAccessW_Dispose(fac); } |
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