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add cavium RSA to ctaocrypt

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This commit is contained in:
Todd Ouska
2013-01-31 15:55:29 -08:00
parent d799898a36
commit 01703281cc
6 changed files with 347 additions and 4 deletions
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67
ctaocrypt/src/asn.c
View File

@@ -531,11 +531,78 @@ static int GetAlgoId(const byte* input, word32* inOutIdx, word32* oid,
#ifndef NO_RSA
#ifdef HAVE_CAVIUM
static int GetCaviumInt(byte** buff, word16* buffSz, const byte* input,
word32* inOutIdx, word32 maxIdx, void* heap)
{
word32 i = *inOutIdx;
byte b = input[i++];
int length;
if (b != ASN_INTEGER)
return ASN_PARSE_E;
if (GetLength(input, &i, &length, maxIdx) < 0)
return ASN_PARSE_E;
if ( (b = input[i++]) == 0x00)
length--;
else
i--;
*buffSz = (word16)length;
*buff = XMALLOC(*buffSz, heap, DYNAMIC_TYPE_CAVIUM_RSA);
if (*buff == NULL)
return MEMORY_E;
XMEMCPY(*buff, input + i, *buffSz);
*inOutIdx = i + length;
return 0;
}
static int CaviumRsaPrivateKeyDecode(const byte* input, word32* inOutIdx,
RsaKey* key, word32 inSz)
{
int version, length;
void* h = key->heap;
if (GetSequence(input, inOutIdx, &length, inSz) < 0)
return ASN_PARSE_E;
if (GetMyVersion(input, inOutIdx, &version) < 0)
return ASN_PARSE_E;
key->type = RSA_PRIVATE;
if (GetCaviumInt(&key->c_n, &key->c_nSz, input, inOutIdx, inSz, h) < 0 ||
GetCaviumInt(&key->c_e, &key->c_eSz, input, inOutIdx, inSz, h) < 0 ||
GetCaviumInt(&key->c_d, &key->c_dSz, input, inOutIdx, inSz, h) < 0 ||
GetCaviumInt(&key->c_p, &key->c_pSz, input, inOutIdx, inSz, h) < 0 ||
GetCaviumInt(&key->c_q, &key->c_qSz, input, inOutIdx, inSz, h) < 0 ||
GetCaviumInt(&key->c_dP, &key->c_dP_Sz, input, inOutIdx, inSz, h) < 0 ||
GetCaviumInt(&key->c_dQ, &key->c_dQ_Sz, input, inOutIdx, inSz, h) < 0 ||
GetCaviumInt(&key->c_u, &key->c_uSz, input, inOutIdx, inSz, h) < 0 )
return ASN_RSA_KEY_E;
return 0;
}
#endif /* HAVE_CAVIUM */
int RsaPrivateKeyDecode(const byte* input, word32* inOutIdx, RsaKey* key,
word32 inSz)
{
int version, length;
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC)
return CaviumRsaPrivateKeyDecode(input, inOutIdx, key, inSz);
#endif
if (GetSequence(input, inOutIdx, &length, inSz) < 0)
return ASN_PARSE_E;

247
ctaocrypt/src/rsa.c
View File

@@ -39,6 +39,18 @@
#endif
#endif
#ifdef HAVE_CAVIUM
static void InitCaviumRsaKey(RsaKey* key, void* heap);
static void FreeCaviumRsaKey(RsaKey* key);
static int CaviumRsaPublicEncrypt(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key);
static int CaviumRsaPrivateDecrypt(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key);
static int CaviumRsaSSL_Sign(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key);
static int CaviumRsaSSL_Verify(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key);
#endif
enum {
RSA_PUBLIC_ENCRYPT = 0,
@@ -58,6 +70,11 @@ enum {
void InitRsaKey(RsaKey* key, void* heap)
{
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC)
return InitCaviumRsaKey(key, heap);
#endif
key->type = -1; /* haven't decided yet */
key->heap = heap;
@@ -75,6 +92,12 @@ void InitRsaKey(RsaKey* key, void* heap)
void FreeRsaKey(RsaKey* key)
{
(void)key;
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC)
return FreeCaviumRsaKey(key);
#endif
/* TomsFastMath doesn't use memory allocation */
#ifndef USE_FAST_MATH
if (key->type == RSA_PRIVATE) {
@@ -249,8 +272,14 @@ done:
int RsaPublicEncrypt(const byte* in, word32 inLen, byte* out, word32 outLen,
RsaKey* key, RNG* rng)
{
int sz = mp_unsigned_bin_size(&key->n), ret;
int sz, ret;
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC)
return CaviumRsaPublicEncrypt(in, inLen, out, outLen, key);
#endif
sz = mp_unsigned_bin_size(&key->n);
if (sz > (int)outLen)
return RSA_BUFFER_E;
@@ -270,6 +299,15 @@ int RsaPrivateDecryptInline(byte* in, word32 inLen, byte** out, RsaKey* key)
{
int plainLen, ret;
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC) {
ret = CaviumRsaPrivateDecrypt(in, inLen, in, inLen, key);
if (ret > 0)
*out = in;
return ret;
}
#endif
if ((ret = RsaFunction(in, inLen, in, &inLen, RSA_PRIVATE_DECRYPT, key))
< 0) {
return ret;
@@ -288,6 +326,11 @@ int RsaPrivateDecrypt(const byte* in, word32 inLen, byte* out, word32 outLen,
byte* tmp;
byte* pad = 0;
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC)
return CaviumRsaPrivateDecrypt(in, inLen, out, outLen, key);
#endif
tmp = (byte*)XMALLOC(inLen, key->heap, DYNAMIC_TYPE_RSA);
if (tmp == NULL) {
return MEMORY_E;
@@ -316,6 +359,15 @@ int RsaSSL_VerifyInline(byte* in, word32 inLen, byte** out, RsaKey* key)
{
int plainLen, ret;
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC) {
ret = CaviumRsaSSL_Verify(in, inLen, in, inLen, key);
if (ret > 0)
*out = in;
return ret;
}
#endif
if ((ret = RsaFunction(in, inLen, in, &inLen, RSA_PUBLIC_DECRYPT, key))
< 0) {
return ret;
@@ -334,6 +386,11 @@ int RsaSSL_Verify(const byte* in, word32 inLen, byte* out, word32 outLen,
byte* tmp;
byte* pad = 0;
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC)
return CaviumRsaSSL_Verify(in, inLen, out, outLen, key);
#endif
tmp = (byte*)XMALLOC(inLen, key->heap, DYNAMIC_TYPE_RSA);
if (tmp == NULL) {
return MEMORY_E;
@@ -362,8 +419,14 @@ int RsaSSL_Verify(const byte* in, word32 inLen, byte* out, word32 outLen,
int RsaSSL_Sign(const byte* in, word32 inLen, byte* out, word32 outLen,
RsaKey* key, RNG* rng)
{
int sz = mp_unsigned_bin_size(&key->n), ret;
int sz, ret;
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC)
return CaviumRsaSSL_Sign(in, inLen, out, outLen, key);
#endif
sz = mp_unsigned_bin_size(&key->n);
if (sz > (int)outLen)
return RSA_BUFFER_E;
@@ -381,6 +444,10 @@ int RsaSSL_Sign(const byte* in, word32 inLen, byte* out, word32 outLen,
int RsaEncryptSize(RsaKey* key)
{
#ifdef HAVE_CAVIUM
if (key->magic == CYASSL_RSA_CAVIUM_MAGIC)
return key->c_nSz;
#endif
return mp_unsigned_bin_size(&key->n);
}
@@ -561,4 +628,180 @@ int MakeRsaKey(RsaKey* key, int size, long e, RNG* rng)
#endif /* CYASSL_KEY_GEN */
#ifdef HAVE_CAVIUM
#include <cyassl/ctaocrypt/logging.h>
#include "cavium_common.h"
/* Initiliaze RSA for use with Nitrox device */
int RsaInitCavium(RsaKey* rsa, int devId)
{
if (rsa == NULL)
return -1;
if (CspAllocContext(CONTEXT_SSL, &rsa->contextHandle, devId) != 0)
return -1;
rsa->devId = devId;
rsa->magic = CYASSL_RSA_CAVIUM_MAGIC;
return 0;
}
/* Free RSA from use with Nitrox device */
void RsaFreeCavium(RsaKey* rsa)
{
if (rsa == NULL)
return;
CspFreeContext(CONTEXT_SSL, rsa->contextHandle, rsa->devId);
rsa->magic = 0;
}
/* Initialize cavium RSA key */
static void InitCaviumRsaKey(RsaKey* key, void* heap)
{
if (key == NULL)
return;
key->heap = heap;
key->type = -1; /* don't know yet */
key->c_n = NULL;
key->c_e = NULL;
key->c_d = NULL;
key->c_p = NULL;
key->c_q = NULL;
key->c_dP = NULL;
key->c_dQ = NULL;
key->c_u = NULL;
key->c_nSz = 0;
key->c_eSz = 0;
key->c_dSz = 0;
key->c_pSz = 0;
key->c_qSz = 0;
key->c_dP_Sz = 0;
key->c_dQ_Sz = 0;
key->c_uSz = 0;
}
/* Free cavium RSA key */
static void FreeCaviumRsaKey(RsaKey* key)
{
if (key == NULL)
return;
XFREE(key->c_n, key->heap, DYNAMIC_TYPE_CAVIUM_TMP);
XFREE(key->c_e, key->heap, DYNAMIC_TYPE_CAVIUM_TMP);
XFREE(key->c_d, key->heap, DYNAMIC_TYPE_CAVIUM_TMP);
XFREE(key->c_p, key->heap, DYNAMIC_TYPE_CAVIUM_TMP);
XFREE(key->c_q, key->heap, DYNAMIC_TYPE_CAVIUM_TMP);
XFREE(key->c_dP, key->heap, DYNAMIC_TYPE_CAVIUM_TMP);
XFREE(key->c_dQ, key->heap, DYNAMIC_TYPE_CAVIUM_TMP);
XFREE(key->c_u, key->heap, DYNAMIC_TYPE_CAVIUM_TMP);
InitCaviumRsaKey(key, key->heap); /* reset pointers */
}
static int CaviumRsaPublicEncrypt(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key)
{
word32 requestId;
word32 ret;
if (key == NULL || in == NULL || out == NULL || outLen < (word32)key->c_nSz)
return -1;
ret = CspPkcs1v15Enc(CAVIUM_BLOCKING, BT2, key->c_nSz, key->c_eSz,
(word16)inLen, key->c_n, key->c_e, (byte*)in, out,
&requestId, key->devId);
if (ret != 0) {
CYASSL_MSG("Cavium Enc BT2 failed");
return -1;
}
return key->c_nSz;
}
static INLINE void ato16(const byte* c, word16* u16)
{
*u16 = (c[0] << 8) | (c[1]);
}
static int CaviumRsaPrivateDecrypt(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key)
{
word32 requestId;
word32 ret;
word16 outSz = (word16)outLen;
if (key == NULL || in == NULL || out == NULL || inLen != (word32)key->c_nSz)
return -1;
ret = CspPkcs1v15CrtDec(CAVIUM_BLOCKING, BT2, key->c_nSz, key->c_q,
key->c_dQ, key->c_p, key->c_dP, key->c_u,
(byte*)in, &outSz, out, &requestId, key->devId);
if (ret != 0) {
CYASSL_MSG("Cavium CRT Dec BT2 failed");
return -1;
}
ato16((const byte*)&outSz, &outSz);
return outSz;
}
static int CaviumRsaSSL_Sign(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key)
{
word32 requestId;
word32 ret;
if (key == NULL || in == NULL || out == NULL || inLen == 0 || outLen <
(word32)key->c_nSz)
return -1;
ret = CspPkcs1v15CrtEnc(CAVIUM_BLOCKING, BT1, key->c_nSz, (word16)inLen,
key->c_q, key->c_dQ, key->c_p, key->c_dP, key->c_u,
(byte*)in, out, &requestId, key->devId);
if (ret != 0) {
CYASSL_MSG("Cavium CRT Enc BT1 failed");
return -1;
}
return key->c_nSz;
}
static int CaviumRsaSSL_Verify(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key)
{
word32 requestId;
word32 ret;
word16 outSz = (word16)outLen;
if (key == NULL || in == NULL || out == NULL || inLen != (word32)key->c_nSz)
return -1;
ret = CspPkcs1v15Dec(CAVIUM_BLOCKING, BT1, key->c_nSz, key->c_eSz,
key->c_n, key->c_e, (byte*)in, &outSz, out,
&requestId, key->devId);
if (ret != 0) {
CYASSL_MSG("Cavium Dec BT1 failed");
return -1;
}
outSz = ntohs(outSz);
return outSz;
}
#endif /* HAVE_CAVIUM */
#endif /* NO_RSA */