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scope tmpa/b with blinding, document RSA options

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toddouska
2016-07-18 17:37:03 -07:00
parent c2b55f69fa
commit 1c71fb4ad1
1 changed files with 10 additions and 0 deletions
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10
wolfcrypt/src/rsa.c
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@@ -30,6 +30,14 @@
#include <wolfssl/wolfcrypt/rsa.h> #include <wolfssl/wolfcrypt/rsa.h>
/*
Possible RSA enable options:
* NO_RSA: Overall control of RSA default: off
* WC_RSA_BLINDING: Uses Blinding w/ Private Ops slower by ~20% default: off
* WOLFSSL_KEY_GEN: Allows Private Key Generation default: off
* RSA_LOW_MEM: NON CRT Private Operations, less memory default: off
*/
#ifdef HAVE_FIPS #ifdef HAVE_FIPS
int wc_InitRsaKey(RsaKey* key, void* ptr) int wc_InitRsaKey(RsaKey* key, void* ptr)
{ {
@@ -898,6 +906,7 @@ static int wc_RsaFunction(const byte* in, word32 inLen, byte* out,
#else #else
#define INNER_ERROR_OUT(x) { ret = (x); goto inner_done; } #define INNER_ERROR_OUT(x) { ret = (x); goto inner_done; }
{ /* tmpa/b scope */
mp_int tmpa, tmpb; mp_int tmpa, tmpb;
if (mp_init(&tmpa) != MP_OKAY) if (mp_init(&tmpa) != MP_OKAY)
@@ -937,6 +946,7 @@ static int wc_RsaFunction(const byte* in, word32 inLen, byte* out,
if (ret != 0) { if (ret != 0) {
goto done; goto done;
} }
} /* tmpa/b scope */
#endif /* RSA_LOW_MEM */ #endif /* RSA_LOW_MEM */