Attachment 590229 Details for Bug 829088 – nss test sample C file

nss test sample C file

nss-example.c (text/plain), 4.67 KB, created by Paul Wouters on 2012-06-07 16:03:32 UTC

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Creator: Paul Wouters

Created: 2012-06-07 16:03:32 UTC

Size: 4.67 KB

patch

obsolete

>/*
> * Demonstration program for hashing and MACs
> */
>
>#include <iostream>
>using namespace std;
>#include <string>
>// #include <iostream.h>
>
>#include "pk11pub.h"
>#include "nss.h"
>
>static void
>printDigest(unsigned char *digest, unsigned int len)
>{
>  int i;
>
>  cout << "length: " << len << endl;
>  for(i = 0;i < len;i++) printf("%02x ", digest[i]);
>  cout << endl;
>}
>
>/*
> * main
> */
>int
>main(int argc, const char *argv[])
>{
>  int status = 0;
>  PK11SlotInfo *slot = 0;
>  PK11SymKey *key = 0;
>  PK11Context *context = 0;
>  unsigned char data[1024];
>  unsigned char digest[1024]; /*Is there a way to tell how large the output is?*/
>  unsigned int len, cnt;
>  SECStatus s;
>
>/*
>    SEC_OID_MD5 = 3,
>    SEC_OID_SHA1 = 4,
>    SEC_OID_SHA256              = 191,
>    SEC_OID_SHA384              = 192,
>    SEC_OID_SHA512              = 193,
>*/
>  SECOidTag algo[5];
>  algo[0] = SEC_OID_MD5;
>  algo[1] = SEC_OID_SHA1;
>  algo[2] = SEC_OID_SHA256;
>  algo[3] = SEC_OID_SHA384;
>  algo[4] = SEC_OID_SHA512;
>
>  printf("Before NSS_NoDB_Init\n");
>
>  /* Initialize NSS
>   * If your application code has already initialized NSS, you can skip it
>   * here.
>   * This code uses the simplest of the Init functions, which does not
>   * require a NSS database to exist
>   */
>  NSS_NoDB_Init(".");
>  printf("Completed NSS_NoDB_Init\n");
>
>  /* Get a slot to use for the crypto operations */
>  slot = PK11_GetInternalKeySlot();
>  if (!slot)
>  {
>    cout << "GetInternalKeySlot failed" << endl;
>    status = 1;
>    goto done;
>  }
>
>  /*
>   *  Part 1 - Simple hashing
>   */
>  cout << "Part 1 -- Simple hashing" << endl;
>
>  /* Initialize data */
>  memset(data, 0xbc, sizeof data);
>
>
>  for(cnt=0;cnt<4;cnt++) {
>
>  printf("Trying algo SECOidTag: %d\n",algo[cnt]);
>  /* Create a context for hashing (digesting) */
>  context = PK11_CreateDigestContext(algo[cnt]);
>  if (!context) { cout << "CreateDigestContext failed" << endl; goto done; }
>
>  s = PK11_DigestBegin(context);
>  if (s != SECSuccess) { cout << "DigestBegin failed" << endl; goto done; }
>
>  s = PK11_DigestOp(context, data, sizeof data);
>  if (s != SECSuccess) { cout << "DigestUpdate failed" << endl; goto done; }
>
>  s = PK11_DigestFinal(context, digest, &len, sizeof digest);
>  if (s != SECSuccess) { cout << "DigestFinal failed" << endl; goto done; }
>
>  /* Print digest */
>  printDigest(digest, len);
>
>  PK11_DestroyContext(context, PR_TRUE);
>  context = 0;
>
>}
>
>
>
>
>#if 0
>
>  /*
>   *  Part 2 - Hashing with included secret key
>   */
>  cout << "Part 2 -- Hashing with included secret key" << endl;
>
>  /* Initialize data */
>  memset(data, 0xbc, sizeof data);
>
>  /* Create a Key */
>  key = PK11_KeyGen(slot, CKM_GENERIC_SECRET_KEY_GEN, 0, 128, 0);
>  if (!key) { cout << "Create key failed" << endl; goto done; }
>
>  cout << (void *)key << endl;
>
>  /* Create parameters for crypto context */
>  /* NOTE: params must be provided, but may be empty */
>  SECItem noParams;
>  noParams.type = siBuffer;
>  noParams.data = 0;
>  noParams.len = 0;
>
>  /* Create context using the same slot as the key */
>//  context = PK11_CreateDigestContext(SEC_OID_MD5);
>  context = PK11_CreateContextBySymKey(CKM_MD5, CKA_DIGEST, key, &noParams);
>  if (!context) { cout << "CreateDigestContext failed" << endl; goto done; }
>
>  s = PK11_DigestBegin(context);
>  if (s != SECSuccess) { cout << "DigestBegin failed" << endl; goto done; }
>
>  s = PK11_DigestKey(context, key);
>  if (s != SECSuccess) { cout << "DigestKey failed" << endl; goto done; }
>
>  s = PK11_DigestOp(context, data, sizeof data);
>  if (s != SECSuccess) { cout << "DigestUpdate failed" << endl; goto done; }
>
>  s = PK11_DigestFinal(context, digest, &len, sizeof digest);
>  if (s != SECSuccess) { cout << "DigestFinal failed" << endl; goto done; }
>
>  /* Print digest */
>  printDigest(digest, len);
>
>  PK11_DestroyContext(context, PR_TRUE);
>  context = 0;
>
>  /*
>   *  Part 3 - MAC (with secret key)
>   */
>  cout << "Part 3 -- MAC (with secret key)" << endl;
>
>  /* Initialize data */
>  memset(data, 0xbc, sizeof data);
>
>  context = PK11_CreateContextBySymKey(CKM_MD5_HMAC, CKA_SIGN, key, &noParams);
>  if (!context) { cout << "CreateContextBySymKey failed" << endl; goto done; }
>
>  s = PK11_DigestBegin(context);
>  if (s != SECSuccess) { cout << "DigestBegin failed" << endl; goto done; }
>
>  s = PK11_DigestOp(context, data, sizeof data);
>  if (s != SECSuccess) { cout << "DigestOp failed" << endl; goto done; }
>
>  s = PK11_DigestFinal(context, digest, &len, sizeof digest);
>  if (s != SECSuccess) { cout << "DigestFinal failed" << endl; goto done; }
>
>  /* Print digest */
>  printDigest(digest, len);
>
>  PK11_DestroyContext(context, PR_TRUE);
>  context = 0;
>
>#endif
>
>done:
>  if (context) PK11_DestroyContext(context, PR_TRUE);  /* freeit ?? */
>  if (key) PK11_FreeSymKey(key);
>  if (slot) PK11_FreeSlot(slot);
>
>  return status;
>}

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Attachments on bug 829088: 590229 | 591327 | 591352 | 591641