| commit | 5d5841f4506f524a41e8e77e08049b24bcac0686 | [log] [tgz] |
|---|---|---|
| author | Piotr Nowicki <piotr.nowicki@arm.com> | Fri Jun 05 16:33:24 2020 +0200 |
| committer | Piotr Nowicki <piotr.nowicki@arm.com> | Tue Jun 09 14:31:55 2020 +0200 |
| tree | 1962260bba5304c2efde08b89dd14173fcd6ded9 | |
| parent | 478b05c34ccc5cebe1019409b61cb42da300d8ba [diff] [blame] |
Add mbedtls_platform_memmove() as a secured memcmp() Signed-off-by: Piotr Nowicki <piotr.nowicki@arm.com>
diff --git a/library/bignum.c b/library/bignum.c index 00df10d..2cc8e22 100644 --- a/library/bignum.c +++ b/library/bignum.c
@@ -558,7 +558,11 @@ length++; } while( mbedtls_mpi_cmp_int( X, 0 ) != 0 ); - memmove( *p, p_end, length ); + if( 0 != mbedtls_platform_memmove( *p, p_end, length ) ) + { + ret = MBEDTLS_ERR_MPI_ALLOC_FAILED; + goto cleanup; + } *p += length; cleanup: