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Fix off-by-one error

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2022-11-24 20:35:04 +00:00
parent 66433444fc
commit c58858865b
1 changed files with 1 additions and 1 deletions
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2
library/common.h
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@ -89,7 +89,7 @@ extern void (*mbedtls_test_hook_test_fail)( const char * test, int line, const c
inline void mbedtls_xor( unsigned char *r, unsigned char const *a, unsigned char const *b, size_t n ) inline void mbedtls_xor( unsigned char *r, unsigned char const *a, unsigned char const *b, size_t n )
{ {
size_t i; size_t i;
for ( i = 0; ( i + 4 ) < n; i+= 4 ) for ( i = 0; ( i + 4 ) <= n; i += 4 )
{ {
uint32_t x = mbedtls_get_unaligned_uint32( a + i ) ^ mbedtls_get_unaligned_uint32( b + i ); uint32_t x = mbedtls_get_unaligned_uint32( a + i ) ^ mbedtls_get_unaligned_uint32( b + i );
mbedtls_put_unaligned_uint32( r + i, x ); mbedtls_put_unaligned_uint32( r + i, x );