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Diffstat (limited to 'thirdparty/mbedtls/library/aes.c')
-rw-r--r--thirdparty/mbedtls/library/aes.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/thirdparty/mbedtls/library/aes.c b/thirdparty/mbedtls/library/aes.c
index aff0a9939a..02a7986b59 100644
--- a/thirdparty/mbedtls/library/aes.c
+++ b/thirdparty/mbedtls/library/aes.c
@@ -918,6 +918,18 @@ int mbedtls_internal_aes_encrypt( mbedtls_aes_context *ctx,
PUT_UINT32_LE( X2, output, 8 );
PUT_UINT32_LE( X3, output, 12 );
+ mbedtls_platform_zeroize( &X0, sizeof( X0 ) );
+ mbedtls_platform_zeroize( &X1, sizeof( X1 ) );
+ mbedtls_platform_zeroize( &X2, sizeof( X2 ) );
+ mbedtls_platform_zeroize( &X3, sizeof( X3 ) );
+
+ mbedtls_platform_zeroize( &Y0, sizeof( Y0 ) );
+ mbedtls_platform_zeroize( &Y1, sizeof( Y1 ) );
+ mbedtls_platform_zeroize( &Y2, sizeof( Y2 ) );
+ mbedtls_platform_zeroize( &Y3, sizeof( Y3 ) );
+
+ mbedtls_platform_zeroize( &RK, sizeof( RK ) );
+
return( 0 );
}
#endif /* !MBEDTLS_AES_ENCRYPT_ALT */
@@ -986,6 +998,18 @@ int mbedtls_internal_aes_decrypt( mbedtls_aes_context *ctx,
PUT_UINT32_LE( X2, output, 8 );
PUT_UINT32_LE( X3, output, 12 );
+ mbedtls_platform_zeroize( &X0, sizeof( X0 ) );
+ mbedtls_platform_zeroize( &X1, sizeof( X1 ) );
+ mbedtls_platform_zeroize( &X2, sizeof( X2 ) );
+ mbedtls_platform_zeroize( &X3, sizeof( X3 ) );
+
+ mbedtls_platform_zeroize( &Y0, sizeof( Y0 ) );
+ mbedtls_platform_zeroize( &Y1, sizeof( Y1 ) );
+ mbedtls_platform_zeroize( &Y2, sizeof( Y2 ) );
+ mbedtls_platform_zeroize( &Y3, sizeof( Y3 ) );
+
+ mbedtls_platform_zeroize( &RK, sizeof( RK ) );
+
return( 0 );
}
#endif /* !MBEDTLS_AES_DECRYPT_ALT */