more error message

IBM · Feb 23, 2024 · 1caef4f · 1caef4f
1 parent 7df725c
commit 1caef4f
Showing 1 changed file with 14 additions and 4 deletions.
diff --git a/icc/extsig.c b/icc/extsig.c
@@ -151,6 +151,7 @@ static long HashCore(FILE *fin, long pos, EVP_MD_CTX *md_ctx,
  const EVP_MD *md) {
  size_t len = 0;
  long amt = 0;
+ int rc = 0;
 
  if (NULL != fin) {
  if (0 == pos) {
@@ -159,7 +160,10 @@ static long HashCore(FILE *fin, long pos, EVP_MD_CTX *md_ctx,
  }
  fseek(fin, 0, SEEK_SET);
  EVP_MD_CTX_cleanup(md_ctx);
- EVP_DigestInit(md_ctx, md);
+ rc = EVP_DigestInit(md_ctx, md);
+ if (1 != rc) {
+ printf("HashCore:EVP_DigestInit failed %d\n", rc);
+ }
  /* Work out how much to read */
  while (pos > 0) {
  amt = sizeof(fbuf);
@@ -168,7 +172,10 @@ static long HashCore(FILE *fin, long pos, EVP_MD_CTX *md_ctx,
  }
  len = fread(fbuf, 1, amt, fin);
  if (len > 0) {
- EVP_DigestUpdate(md_ctx, fbuf, len);
+ rc = EVP_DigestUpdate(md_ctx, fbuf, len);
+ if (1 != rc) {
+ printf("HashCore:EVP_DigestUpdate failed %d\n", rc);
+ }
  pos -= (long)len;
  } else {
  printf("HashCore:fread failed\n");
@@ -623,16 +630,19 @@ static int GenSig(FILE *fin, unsigned char *sigout, EVP_PKEY *key, long pos) {
  HashCore(fin, pos, md_ctx, md);
  evpRC = EVP_SignFinal(md_ctx, sigout, &signL, key);
  if (1 != evpRC) {
- printf("EVP_SignFinal error %d\n", evpRC);
+ printf("GenSig: EVP_SignFinal error %d\n", evpRC);
  signL = 0;
  }
  EVP_MD_CTX_free(md_ctx);
  }
  else {
- printf("EVP error\n");
+ printf("GenSig: EVP error\n");
  }
  fseek(fin, pos, SEEK_SET);
  }
+ else {
+ printf("GenSig: fin error\n");
+ }
  return (int)signL;
 }
 static void usage(char *pname, char *str) {