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FIPS Update

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1. Switch in different versions of rsa.c depending on FIPS v1 or v2.
2. Add the Windows pragmas to rsa.c if building for FIPS v2.
3. Leave out FIPS wrappers from rsa.c if not building for FIPS v1.
This commit is contained in:
John Safranek
2017-12-07 10:58:55 -08:00
parent 6fdbe02291
commit 788cc39498
3 changed files with 37 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
configure.ac
View File

@ -1944,6 +1944,7 @@ else
fi
AM_CONDITIONAL([BUILD_FIPS], [test "x$ENABLED_FIPS" = "xyes"])
AM_CONDITIONAL([BUILD_FIPS_V2], [test "x$FIPS_VERSION" = "xv2"])
# set sha224 default

6
src/include.am
View File

@ -33,8 +33,12 @@ src_libwolfssl_la_SOURCES += \
ctaocrypt/src/sha256.c
if BUILD_RSA
if BUILD_FIPS_V2
src_libwolfssl_la_SOURCES += wolfcrypt/src/rsa.c
else
src_libwolfssl_la_SOURCES += ctaocrypt/src/rsa.c
endif
endif
if BUILD_ECC
src_libwolfssl_la_SOURCES += wolfcrypt/src/ecc.c
@ -92,10 +96,12 @@ if BUILD_RSA
if BUILD_FAST_RSA
src_libwolfssl_la_SOURCES += wolfcrypt/user-crypto/src/rsa.c
else
if !BUILD_FIPS_V2
src_libwolfssl_la_SOURCES += wolfcrypt/src/rsa.c
endif
endif
endif
endif
if BUILD_SP
src_libwolfssl_la_SOURCES += wolfcrypt/src/sp.c
endif

79
wolfcrypt/src/rsa.c
View File

@ -29,6 +29,18 @@
#ifndef NO_RSA
#if defined(HAVE_FIPS) && \
defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
/* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
#define FIPS_NO_WRAPPERS
#ifdef USE_WINDOWS_API
#pragma code_seg(".fipsA$e")
#pragma const_seg(".fipsB$e")
#endif
#endif
#include <wolfssl/wolfcrypt/rsa.h>
#ifdef WOLFSSL_HAVE_SP_RSA
@ -54,7 +66,10 @@ RSA Key Size Configuration:
*/
#ifdef HAVE_FIPS
/* If building for old FIPS. */
#if defined(HAVE_FIPS) && \
(!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
int wc_InitRsaKey(RsaKey* key, void* ptr)
{
if (key == NULL) {
@ -64,6 +79,7 @@ int wc_InitRsaKey(RsaKey* key, void* ptr)
return InitRsaKey_fips(key, ptr);
}
int wc_InitRsaKey_ex(RsaKey* key, void* ptr, int devId)
{
(void)devId;
@ -73,6 +89,7 @@ int wc_InitRsaKey_ex(RsaKey* key, void* ptr, int devId)
return InitRsaKey_fips(key, ptr);
}
int wc_FreeRsaKey(RsaKey* key)
{
return FreeRsaKey_fips(key);
@ -102,7 +119,7 @@ int wc_RsaPrivateDecryptInline(byte* in, word32 inLen, byte** out,
int wc_RsaPrivateDecrypt(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key)
{
if (in == NULL || out == NULL || key == NULL) {
if (in == NULL || out == NULL || key == NULL) {
return BAD_FUNC_ARG;
}
return RsaPrivateDecrypt_fips(in, inLen, out, outLen, key);
@ -147,56 +164,20 @@ int wc_RsaEncryptSize(RsaKey* key)
}
/* New FIPS functions. */
#if defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
int wc_RsaFlattenPublicKey(RsaKey* key, byte* a, word32* aSz, byte* b,
word32* bSz)
{
int wc_RsaFlattenPublicKey(RsaKey* key, byte* a, word32* aSz, byte* b,
word32* bSz)
{
return RsaFlattenPublicKey_fips(key, a, aSz, b, bSz);
}
/* not specified as fips so not needing _fips */
return RsaFlattenPublicKey(key, a, aSz, b, bSz);
}
int wc_RsaExportKey(RsaKey* key,
byte* e, word32* eSz, byte* n, word32* nSz,
byte* d, word32* dSz, byte* p, word32* pSz,
byte* q, word32* qSz)
{
return RsaExportKey_fips(key, e, eSz, n, nSz, d, dSz, p, pSz, q, qSz);
}
int wc_CheckProbablePrime(const byte* pRaw, word32 pRawSz,
const byte* qRaw, word32 qRawSz,
const byte* eRaw, word32 eRawSz,
int nlen, int* isPrime)
{
return CheckProbablePrime_fips(pRaw, pRawSz,
qRaw, qRawSz,
eRaw, eRawSz,
nlen, isPrime);
}
int wc_MakeRsaKey(RsaKey* key, int size, long e, WC_RNG* rng)
{
return MakeRsaKey_fips(key, size, e, rng);
}
#else /* Use old version of FIPS functions. */
int wc_RsaFlattenPublicKey(RsaKey* key, byte* a, word32* aSz, byte* b,
word32* bSz)
{
/* not specified as fips so not needing _fips */
return RsaFlattenPublicKey(key, a, aSz, b, bSz);
}
#ifdef WOLFSSL_KEY_GEN
int wc_MakeRsaKey(RsaKey* key, int size, long e, WC_RNG* rng)
{
return MakeRsaKey(key, size, e, rng);
}
#endif
#ifdef WOLFSSL_KEY_GEN
int wc_MakeRsaKey(RsaKey* key, int size, long e, WC_RNG* rng)
{
return MakeRsaKey(key, size, e, rng);
}
#endif