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

127
ctaocrypt/src/aes.c
View File

@@ -41,6 +41,15 @@
#endif
#ifdef HAVE_CAVIUM
static int AesCaviumSetKey(Aes* aes, const byte* key, word32 length,
const byte* iv);
static void AesCaviumCbcEncrypt(Aes* aes, byte* out, const byte* in,
word32 length);
static void AesCaviumCbcDecrypt(Aes* aes, byte* out, const byte* in,
word32 length);
#endif
#ifdef STM32F2_CRYPTO
/*
* STM32F2 hardware AES support through the STM32F2 standard peripheral
@@ -1349,6 +1358,11 @@ int AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
if (!((keylen == 16) || (keylen == 24) || (keylen == 32)))
return BAD_FUNC_ARG;
#ifdef HAVE_CAVIUM
if (aes->magic == CYASSL_AES_CAVIUM_MAGIC)
return AesCaviumSetKey(aes, userKey, keylen, iv);
#endif
#ifdef CYASSL_AESNI
if (checkAESNI == 0) {
haveAESNI = Check_CPU_support_AES();
@@ -1661,6 +1675,11 @@ void AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
{
word32 blocks = sz / AES_BLOCK_SIZE;
#ifdef HAVE_CAVIUM
if (aes->magic == CYASSL_AES_CAVIUM_MAGIC)
return AesCaviumCbcEncrypt(aes, out, in, sz);
#endif
#ifdef CYASSL_AESNI
if (haveAESNI) {
#ifdef DEBUG_AESNI
@@ -1695,6 +1714,11 @@ void AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
{
word32 blocks = sz / AES_BLOCK_SIZE;
#ifdef HAVE_CAVIUM
if (aes->magic == CYASSL_AES_CAVIUM_MAGIC)
return AesCaviumCbcDecrypt(aes, out, in, sz);
#endif
#ifdef CYASSL_AESNI
if (haveAESNI) {
#ifdef DEBUG_AESNI
@@ -2738,5 +2762,108 @@ int AesSetIV(Aes* aes, const byte* iv)
}
#ifdef HAVE_CAVIUM
#include <cyassl/ctaocrypt/logging.h>
#include "cavium_common.h"
/* Initiliaze Aes for use with Nitrox device */
int AesInitCavium(Aes* aes, int devId)
{
if (aes == NULL)
return -1;
if (CspAllocContext(CONTEXT_SSL, &aes->contextHandle, devId) != 0)
return -1;
aes->devId = devId;
aes->magic = CYASSL_AES_CAVIUM_MAGIC;
return 0;
}
/* Free Aes from use with Nitrox device */
void AesFreeCavium(Aes* aes)
{
if (aes == NULL)
return;
CspFreeContext(CONTEXT_SSL, aes->contextHandle, aes->devId);
aes->magic = 0;
}
static int AesCaviumSetKey(Aes* aes, const byte* key, word32 length,
const byte* iv)
{
if (aes == NULL)
return -1;
XMEMCPY(aes->key, key, length); /* key still holds key, iv still in reg */
if (length == 16)
aes->type = AES_128;
else if (length == 24)
aes->type = AES_192;
else if (length == 32)
aes->type = AES_256;
return AesSetIV(aes, iv);
}
static void AesCaviumCbcEncrypt(Aes* aes, byte* out, const byte* in,
word32 length)
{
word offset = 0;
word32 requestId;
while (length > CYASSL_MAX_16BIT) {
word16 slen = (word16)CYASSL_MAX_16BIT;
if (CspEncryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
aes->type, slen, (byte*)in + offset, out + offset,
(byte*)aes->reg, (byte*)aes->key, &requestId,
aes->devId) != 0) {
CYASSL_MSG("Bad Cavium Aes Encrypt");
}
length -= CYASSL_MAX_16BIT;
}
if (length) {
word16 slen = (word16)length;
if (CspEncryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
aes->type, slen, (byte*)in + offset, out + offset,
(byte*)aes->reg, (byte*)aes->key, &requestId,
aes->devId) != 0) {
CYASSL_MSG("Bad Cavium Aes Encrypt");
}
}
}
static void AesCaviumCbcDecrypt(Aes* aes, byte* out, const byte* in,
word32 length)
{
word32 requestId;
while (length > CYASSL_MAX_16BIT) {
word16 slen = (word16)CYASSL_MAX_16BIT;
if (CspDecryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
aes->type, slen, (byte*)in, out, (byte*)aes->reg,
(byte*)aes->key, &requestId, aes->devId) != 0) {
CYASSL_MSG("Bad Cavium Aes Decrypt");
}
length -= CYASSL_MAX_16BIT;
}
if (length) {
word16 slen = (word16)length;
if (CspDecryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
aes->type, slen, (byte*)in, out, (byte*)aes->reg,
(byte*)aes->key, &requestId, aes->devId) != 0) {
CYASSL_MSG("Bad Cavium Aes Decrypt");
}
}
}
#endif /* HAVE_CAVIUM */
#endif /* NO_AES */