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wolfcrypt init

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This commit is contained in:
Jacob Barthelmeh
2015-10-23 11:55:17 -06:00
parent 6b3c8e8b79
commit dc31b9238f
6 changed files with 83 additions and 23 deletions
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wolfcrypt/user-crypto/src/rsa.c
+47 -21
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@@ -77,7 +77,6 @@ enum {
};
static int ippSet = 0;
int wc_InitRsaKey(RsaKey* key, void* heap)
{
@@ -86,15 +85,6 @@ int wc_InitRsaKey(RsaKey* key, void* heap)
if (key == NULL)
return USER_CRYPTO_ERROR;
if (!ippSet) {
USER_DEBUG(("Setting up IPP Library\n"));
/* Selects the right optimizations to use */
if (ippInit() != ippStsNoErr) {
USER_DEBUG(("Error setting up optimized library to use!\n"));
return USER_CRYPTO_ERROR;
}
ippSet = 1;
}
/* set full struct as 0 */
ForceZero(key, sizeof(RsaKey));
@@ -579,39 +569,61 @@ int wc_FreeRsaKey(RsaKey* key)
if (key == NULL)
return 0;
if (key->pPub != NULL)
USER_DEBUG(("Entering wc_FreeRsaKey\n"));
if (key->pPub != NULL) {
XFREE(key->pPub, NULL, DYNAMIC_TYPE_KEY);
key->pPub = NULL;
}
if (key->pPrv != NULL) {
/* write over senstive information */
ForceZero(key->pPrv, key->prvSz);
XFREE(key->pPrv, NULL, DYNAMIC_TYPE_KEY);
key->pPrv = NULL;
}
if (key->n != NULL)
if (key->n != NULL) {
XFREE(key->n, NULL, DYNAMIC_TYPE_ARRAYS);
key->n = NULL;
}
if (key->e != NULL)
if (key->e != NULL) {
XFREE(key->e, NULL, DYNAMIC_TYPE_ARRAYS);
key->e = NULL;
}
if (key->dipp != NULL)
if (key->dipp != NULL) {
XFREE(key->dipp, NULL, DYNAMIC_TYPE_ARRAYS);
key->dipp = NULL;
}
if (key->pipp != NULL)
if (key->pipp != NULL) {
XFREE(key->pipp, NULL, DYNAMIC_TYPE_ARRAYS);
key->pipp = NULL;
}
if (key->qipp != NULL)
if (key->qipp != NULL) {
XFREE(key->qipp, NULL, DYNAMIC_TYPE_ARRAYS);
key->qipp = NULL;
}
if (key->dPipp != NULL)
if (key->dPipp != NULL) {
XFREE(key->dPipp, NULL, DYNAMIC_TYPE_ARRAYS);
key->dPipp = NULL;
}
if (key->dQipp != NULL)
if (key->dQipp != NULL) {
XFREE(key->dQipp, NULL, DYNAMIC_TYPE_ARRAYS);
key->dQipp = NULL;
}
if (key->uipp != NULL)
if (key->uipp != NULL) {
XFREE(key->uipp, NULL, DYNAMIC_TYPE_ARRAYS);
key->uipp = NULL;
}
USER_DEBUG(("\tExit wc_FreeRsaKey\n"));
(void)key;
return 0;
@@ -1151,12 +1163,26 @@ int wc_RsaPrivateDecrypt(const byte* in, word32 inLen, byte* out, word32 outLen,
int wc_RsaPrivateDecryptInline(byte* in, word32 inLen, byte** out, RsaKey* key)
{
int outSz;
byte* tmp;
USER_DEBUG(("Entering wc_RsaPrivateDecryptInline\n"));
outSz = wc_RsaPrivateDecrypt(in, inLen, in, inLen, key);
*out = in;
/* allocate a buffer for max decrypted text */
tmp = XMALLOC(key->sz, NULL, DYNAMIC_TYPE_ARRAYS);
if (tmp == NULL)
return USER_CRYPTO_ERROR;
outSz = wc_RsaPrivateDecrypt(in, inLen, tmp, key->sz, key);
if (outSz >= 0) {
XMEMCPY(in, tmp, outSz);
*out = in;
}
else {
XFREE(tmp, NULL, DYNAMIC_TYPE_ARRAYS);
return USER_CRYPTO_ERROR;
}
XFREE(tmp, NULL, DYNAMIC_TYPE_ARRAYS);
USER_DEBUG(("\tExit wc_RsaPrivateDecryptInline\n"));
return outSz;