feedc0de/wolfssl
1
0
Fork 0
forked from wolfSSL/wolfssl
Code Pull Requests Activity

initial cavium, crypto only, no rsa

Browse Source
This commit is contained in:
Todd Ouska
2013-01-29 16:22:49 -08:00
parent ef644d4de0
commit a361f5c4bf
15 changed files with 829 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
ctaocrypt/src/random.c
View File

@@ -307,8 +307,13 @@ int InitRng(RNG* rng)
{
byte key[32];
byte junk[256];
int ret;
int ret = GenerateSeed(&rng->seed, key, sizeof(key));
#ifdef HAVE_CAVIUM
if (rng->magic == CYASSL_RNG_CAVIUM_MAGIC)
return 0;
#endif
ret = GenerateSeed(&rng->seed, key, sizeof(key));
if (ret == 0) {
Arc4SetKey(&rng->cipher, key, sizeof(key));
@@ -318,10 +323,17 @@ int InitRng(RNG* rng)
return ret;
}
#ifdef HAVE_CAVIUM
static void CaviumRNG_GenerateBlock(RNG* rng, byte* output, word32 sz);
#endif
/* place a generated block in output */
void RNG_GenerateBlock(RNG* rng, byte* output, word32 sz)
{
#ifdef HAVE_CAVIUM
if (rng->magic == CYASSL_RNG_CAVIUM_MAGIC)
return CaviumRNG_GenerateBlock(rng, output, sz);
#endif
XMEMSET(output, 0, sz);
Arc4Process(&rng->cipher, output, output, sz);
}
@@ -335,6 +347,50 @@ byte RNG_GenerateByte(RNG* rng)
return b;
}
#ifdef HAVE_CAVIUM
#include <cyassl/ctaocrypt/logging.h>
#include "cavium_common.h"
/* Initiliaze RNG for use with Nitrox device */
int InitRngCavium(RNG* rng, int devId)
{
if (rng == NULL)
return -1;
rng->devId = devId;
rng->magic = CYASSL_RNG_CAVIUM_MAGIC;
return 0;
}
static void CaviumRNG_GenerateBlock(RNG* rng, byte* output, word32 sz)
{
word offset = 0;
word32 requestId;
while (sz > CYASSL_MAX_16BIT) {
word16 slen = (word16)CYASSL_MAX_16BIT;
if (CspRandom(CAVIUM_BLOCKING, slen, output + offset, &requestId,
rng->devId) != 0) {
CYASSL_MSG("Cavium RNG failed");
}
sz -= CYASSL_MAX_16BIT;
offset += CYASSL_MAX_16BIT;
}
if (sz) {
word16 slen = (word16)sz;
if (CspRandom(CAVIUM_BLOCKING, slen, output + offset, &requestId,
rng->devId) != 0) {
CYASSL_MSG("Cavium RNG failed");
}
}
}
#endif /* HAVE_CAVIUM */
#endif /* NO_RC4 */