Remove X509_ocspid_print.

This was originally added for the openssl command-line utility and
otherwise is not very useful. I found no callers, so drop it.

Update-Note: An unused function was removed.
Change-Id: I12aa314fd3d8f1dad79eb5a07e0dea662dd9b4a8
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/53328
Reviewed-by: Bob Beck <bbe@google.com>
Commit-Queue: David Benjamin <davidben@google.com>

crypto/x509/t_x509.c

@@ -269,59 +269,6 @@ err:
   return ret;
 }
 
-int X509_ocspid_print(BIO *bp, X509 *x) {
-  unsigned char *der = NULL;
-  unsigned char *dertmp;
-  int derlen;
-  int i;
-  unsigned char SHA1md[SHA_DIGEST_LENGTH];
-
-  // display the hash of the subject as it would appear in OCSP requests
-  if (BIO_printf(bp, "        Subject OCSP hash: ") <= 0) {
-    goto err;
-  }
-  derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
-  if ((der = dertmp = (unsigned char *)OPENSSL_malloc(derlen)) == NULL) {
-    goto err;
-  }
-  i2d_X509_NAME(x->cert_info->subject, &dertmp);
-
-  if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL)) {
-    goto err;
-  }
-  for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
-    if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0) {
-      goto err;
-    }
-  }
-  OPENSSL_free(der);
-  der = NULL;
-
-  // display the hash of the public key as it would appear in OCSP requests
-  if (BIO_printf(bp, "\n        Public key OCSP hash: ") <= 0) {
-    goto err;
-  }
-
-  if (!EVP_Digest(x->cert_info->key->public_key->data,
-                  x->cert_info->key->public_key->length, SHA1md, NULL,
-                  EVP_sha1(), NULL)) {
-    goto err;
-  }
-  for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
-    if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0) {
-      goto err;
-    }
-  }
-  BIO_printf(bp, "\n");
-
-  return 1;
-err:
-  if (der != NULL) {
-    OPENSSL_free(der);
-  }
-  return 0;
-}
-
 int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
                          const ASN1_STRING *sig) {
   if (BIO_puts(bp, "    Signature Algorithm: ") <= 0) {

include/openssl/x509.h

@@ -1797,7 +1797,6 @@ OPENSSL_EXPORT int X509_NAME_print_ex(BIO *out, const X509_NAME *nm, int indent,
 OPENSSL_EXPORT int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflag,
                                  unsigned long cflag);
 OPENSSL_EXPORT int X509_print(BIO *bp, X509 *x);
-OPENSSL_EXPORT int X509_ocspid_print(BIO *bp, X509 *x);
 OPENSSL_EXPORT int X509_CRL_print(BIO *bp, X509_CRL *x);
 OPENSSL_EXPORT int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflag,
                                      unsigned long cflag);