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Emit deprecation warning if MBEDTLS_RSA_FORCE_BLINDING is not set

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This commit is contained in:
Hanno Becker 2017-09-07 11:32:04 +01:00
parent 6ac972d815
commit a988a2702a
1 changed files with 7 additions and 0 deletions
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7
library/rsa.c
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@ -66,6 +66,13 @@
#define mbedtls_free free #define mbedtls_free free
#endif #endif
#if !defined(MBEDTLS_RSA_FORCE_BLINDING) && \
defined(MBEDTLS_DEPRECATED_WARNING)
#warning Not enforcing blinding checks for RSA private key operations\
is deprecated. Please uncomment MBEDTLS_RSA_FORCE_BLINDING\
in config.h to enforce blinding checks.
#endif
/* Implementation that should never be optimized out by the compiler */ /* Implementation that should never be optimized out by the compiler */
static void mbedtls_zeroize( void *v, size_t n ) { static void mbedtls_zeroize( void *v, size_t n ) {
volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0; volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;