wolfSSL/wolfssl
1
0
Fork 1
mirror of https://github.com/wolfSSL/wolfssl.git synced 2026-03-06 16:34:02 +01:00
Code Issues Packages Projects Releases Wiki Activity

implementation of wolfSSL_PEM_write_DHparams

Browse Source
This commit is contained in:
Jacob Barthelmeh
2019-07-02 17:42:33 -06:00
parent 3652929573
commit f2bb5e8944
4 changed files with 149 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

79
src/ssl.c
View File

@@ -33169,6 +33169,85 @@ end:
return NULL;
#endif
}
#ifndef NO_FILESYSTEM
int wolfSSL_PEM_write_DHparams(XFILE fp, WOLFSSL_DH* dh)
{
int ret;
word32 derSz = 0, pemSz = 0;
byte *der, *pem;
DhKey* key;
WOLFSSL_ENTER("wolfSSL_PEM_write_DHparams");
if (dh == NULL) {
WOLFSSL_LEAVE("wolfSSL_PEM_write_DHparams", BAD_FUNC_ARG);
return WOLFSSL_FAILURE;
}
#if 0
if (dh->inSet != 1) {
ret = SetDhInternal(dh);
}
#endif
key = (DhKey*)dh->internal;
ret = wc_DhParamsToDer(key, NULL, &derSz);
if (ret != LENGTH_ONLY_E) {
WOLFSSL_MSG("Failed to get size of DH params");
WOLFSSL_LEAVE("wolfSSL_PEM_write_DHparams", ret);
return WOLFSSL_FAILURE;
}
der = (byte*)XMALLOC(derSz, key->heap, DYNAMIC_TYPE_TMP_BUFFER);
if (der == NULL) {
WOLFSSL_LEAVE("wolfSSL_PEM_write_DHparams", MEMORY_E);
return WOLFSSL_FAILURE;
}
ret = wc_DhParamsToDer(key, der, &derSz);
if (ret <= 0) {
WOLFSSL_MSG("Failed to export DH params");
WOLFSSL_LEAVE("wolfSSL_PEM_write_DHparams", ret);
XFREE(der, key->heap, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
/* convert to PEM */
ret = wc_DerToPem(der, derSz, NULL, 0, DH_PARAM_TYPE);
if (ret < 0) {
WOLFSSL_MSG("Failed to convert DH params to PEM");
WOLFSSL_LEAVE("wolfSSL_PEM_write_DHparams", ret);
XFREE(der, key->heap, DYNAMIC_TYPE_TMP_BUFFER);
return ret;
}
pemSz = (word32)ret;
pem = (byte*)XMALLOC(pemSz, key->heap, DYNAMIC_TYPE_TMP_BUFFER);
if (pem == NULL) {
WOLFSSL_LEAVE("wolfSSL_PEM_write_DHparams", MEMORY_E);
XFREE(der, key->heap, DYNAMIC_TYPE_TMP_BUFFER);
return ret;
}
ret = wc_DerToPem(der, derSz, pem, pemSz, DH_PARAM_TYPE);
XFREE(der, key->heap, DYNAMIC_TYPE_TMP_BUFFER);
if (ret < 0) {
WOLFSSL_MSG("Failed to convert DH params to PEM");
WOLFSSL_LEAVE("wolfSSL_PEM_write_DHparams", ret);
XFREE(pem, key->heap, DYNAMIC_TYPE_TMP_BUFFER);
return ret;
}
ret = (int)XFWRITE(pem, 1, pemSz, fp);
XFREE(pem, key->heap, DYNAMIC_TYPE_TMP_BUFFER);
if (ret <= 0) {
WOLFSSL_MSG("Failed to write to file");
WOLFSSL_LEAVE("wolfSSL_PEM_write_DHparams", ret);
return WOLFSSL_FAILURE;
}
WOLFSSL_LEAVE("wolfSSL_PEM_write_DHparams", WOLFSSL_SUCCESS);
return WOLFSSL_SUCCESS;
}
#endif /* !NO_FILESYSTEM */
#endif
#ifdef WOLFSSL_CERT_GEN