Merge remote-tracking branch 'public/pr/1993' into development

include/mbedtls/error.h

@@ -80,6 +80,7 @@
  * CHACHA20  3                  0x0051-0x0055
  * POLY1305  3                  0x0057-0x005B
  * CHACHAPOLY 2 0x0054-0x0056
+ * PLATFORM  1  0x0070-0x0070
  *
  * High-level module nr (3 bits - 0x0...-0x7...)
  * Name      ID  Nr of Errors

include/mbedtls/platform.h

@@ -43,6 +43,8 @@
 #include "platform_time.h"
 #endif
 
+#define MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED       -0x0070 /**< Hardware accelerator failed */
+
 #ifdef __cplusplus
 extern "C" {
 #endif

library/error.c

@@ -165,6 +165,10 @@
 #include "mbedtls/pkcs5.h"
 #endif
 
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#endif
+
 #if defined(MBEDTLS_POLY1305_C)
 #include "mbedtls/poly1305.h"
 #endif
@@ -827,6 +831,11 @@ void mbedtls_strerror( int ret, char *buf, size_t buflen )
         mbedtls_snprintf( buf, buflen, "PADLOCK - Input data should be aligned" );
 #endif /* MBEDTLS_PADLOCK_C */
 
+#if defined(MBEDTLS_PLATFORM_C)
+    if( use_ret == -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED) )
+        mbedtls_snprintf( buf, buflen, "PLATFORM - Hardware accelerator failed" );
+#endif /* MBEDTLS_PLATFORM_C */
+
 #if defined(MBEDTLS_POLY1305_C)
     if( use_ret == -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA) )
         mbedtls_snprintf( buf, buflen, "POLY1305 - Invalid input parameter(s)" );

scripts/generate_errors.pl

@@ -32,7 +32,7 @@ my $error_format_file = $data_dir.'/error.fmt';
 my @low_level_modules = qw( AES ARC4 ARIA ASN1 BASE64 BIGNUM BLOWFISH
                             CAMELLIA CCM CHACHA20 CHACHAPOLY CMAC CTR_DRBG DES
                             ENTROPY GCM HKDF HMAC_DRBG MD2 MD4 MD5
-                            NET OID PADLOCK PBKDF2 POLY1305 RIPEMD160
+                            NET OID PADLOCK PBKDF2 PLATFORM POLY1305 RIPEMD160
                             SHA1 SHA256 SHA512 THREADING XTEA );
 my @high_level_modules = qw( CIPHER DHM ECP MD
                              PEM PK PKCS12 PKCS5