Gilles Peskine 
							
						 
					 
					
						
						
							
						
						8399cccd2e 
					 
					
						
						
							
							Merge pull request  #5829  from paul-elliott-arm/fix_ct_uninit_memory_access  
						
						... 
						
						
						
						Fix uninitialised memory access in constant time functions 
						
						
					 
					
						2022-06-01 11:42:51 +02:00 
						 
				 
			
				
					
						
							
							
								Paul Elliott 
							
						 
					 
					
						
						
							
						
						5260ce27ed 
					 
					
						
						
							
							Fix uninitialised memory access in constant time functions  
						
						... 
						
						
						
						Fix an issue reported by Coverity whereby some constant time functions
called from the ssl decrypt code could potentially access uninitialised
memory.
Signed-off-by: Paul Elliott <paul.elliott@arm.com > 
						
						
					 
					
						2022-05-19 18:23:24 +01:00 
						 
				 
			
				
					
						
							
							
								Shaun Case 
							
						 
					 
					
						
						
							
						
						8b0ecbccf4 
					 
					
						
						
							
							Redo of PR#5345. Fixed spelling and typographical errors found by CodeSpell.  
						
						... 
						
						
						
						Signed-off-by: Shaun Case <warmsocks@gmail.com >
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com > 
						
						
					 
					
						2022-05-11 21:25:51 +01:00 
						 
				 
			
				
					
						
							
							
								Neil Armstrong 
							
						 
					 
					
						
						
							
						
						9ebb9ff60c 
					 
					
						
						
							
							Reduce HMAC buffer usage in PSA version of mbedtls_ct_hmac()  
						
						... 
						
						
						
						Signed-off-by: Neil Armstrong <narmstrong@baylibre.com > 
						
						
					 
					
						2022-03-18 11:09:58 +01:00 
						 
				 
			
				
					
						
							
							
								Neil Armstrong 
							
						 
					 
					
						
						
							
						
						72c2f76c43 
					 
					
						
						
							
							Assume MAC key length is always exactly the output size in PSA version of mbedtls_ct_hmac()  
						
						... 
						
						
						
						Signed-off-by: Neil Armstrong <narmstrong@baylibre.com > 
						
						
					 
					
						2022-03-18 11:09:36 +01:00 
						 
				 
			
				
					
						
							
							
								Neil Armstrong 
							
						 
					 
					
						
						
							
						
						36cc13b340 
					 
					
						
						
							
							Use PSA defines for buffers in PSA version of mbedtls_ct_hmac()  
						
						... 
						
						
						
						Signed-off-by: Neil Armstrong <narmstrong@baylibre.com > 
						
						
					 
					
						2022-03-18 11:09:20 +01:00 
						 
				 
			
				
					
						
							
							
								Neil Armstrong 
							
						 
					 
					
						
						
							
						
						ae57cfd3e7 
					 
					
						
						
							
							Use psa_ssl_status_to_mbedtls in PSA version of mbedtls_ct_hmac()  
						
						... 
						
						
						
						Signed-off-by: Neil Armstrong <narmstrong@baylibre.com > 
						
						
					 
					
						2022-03-18 10:00:10 +01:00 
						 
				 
			
				
					
						
							
							
								Neil Armstrong 
							
						 
					 
					
						
						
							
						
						28d9c631b8 
					 
					
						
						
							
							Fix comments in PSA version of mbedtls_ct_hmac()  
						
						... 
						
						
						
						Signed-off-by: Neil Armstrong <narmstrong@baylibre.com > 
						
						
					 
					
						2022-03-18 10:00:10 +01:00 
						 
				 
			
				
					
						
							
							
								Neil Armstrong 
							
						 
					 
					
						
						
							
						
						6958bd0206 
					 
					
						
						
							
							Clean aux_out in PSA version of mbedtls_ct_hmac()  
						
						... 
						
						
						
						Signed-off-by: Neil Armstrong <narmstrong@baylibre.com > 
						
						
					 
					
						2022-03-02 15:37:11 +01:00 
						 
				 
			
				
					
						
							
							
								Neil Armstrong 
							
						 
					 
					
						
						
							
						
						2968d306e4 
					 
					
						
						
							
							Implement mbedtls_ct_hmac() using PSA hash API  
						
						... 
						
						
						
						Signed-off-by: Neil Armstrong <narmstrong@baylibre.com > 
						
						
					 
					
						2022-02-25 15:16:50 +01:00 
						 
				 
			
				
					
						
							
							
								Tautvydas Žilys 
							
						 
					 
					
						
						
							
						
						40fc7da101 
					 
					
						
						
							
							Cap the workaround for mbedtls_mpi_safe_cond_assign on MSVC/ARM64 to MSVC versions prior to 17.1.  
						
						... 
						
						
						
						Signed-off-by: Tautvydas Žilys <tautvydas.zilys@gmail.com > 
						
						
					 
					
						2022-01-31 13:34:01 -08:00 
						 
				 
			
				
					
						
							
							
								Tautvydas Žilys 
							
						 
					 
					
						
						
							
						
						60165d7708 
					 
					
						
						
							
							Don't inline mbedtls_mpi_safe_cond_assign on MSVC/ARM64 to avoid a compiler bug.  
						
						... 
						
						
						
						Signed-off-by: Tautvydas Žilys <tautvydas.zilys@gmail.com > 
						
						
					 
					
						2022-01-26 15:44:10 -08:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						a09697527b 
					 
					
						
						
							
							Add documentation for the functions  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-11-26 17:25:14 +01:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						14d5fac11d 
					 
					
						
						
							
							Unify function parameters  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-11-26 17:23:26 +01:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						c0d8dda60d 
					 
					
						
						
							
							Make mbedtls_ct_uchar_mask_of_range function static  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-11-26 17:20:36 +01:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						358829abc9 
					 
					
						
						
							
							Move mbedtls_ct_base64_dec_value function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-11-26 17:14:52 +01:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						9a4074aa1e 
					 
					
						
						
							
							Move mbedtls_ct_base64_enc_char function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-11-26 17:14:21 +01:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						28d611559e 
					 
					
						
						
							
							Move mbedtls_ct_uchar_mask_of_range function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-11-26 17:09:38 +01:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						642eeb2879 
					 
					
						
						
							
							Fix documentation and comments  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-11-03 16:13:32 +01:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						22c9a6fccc 
					 
					
						
						
							
							Rename internal header constant_time.h to constant_time_internal.h  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-20 12:15:20 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						90437e3762 
					 
					
						
						
							
							Rename constant-time functions to have mbedtls_ct prefix  
						
						... 
						
						
						
						Rename functions to better suite with the module name.
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-20 11:59:27 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						6a426c9f9f 
					 
					
						
						
							
							Bind functions' availability for config options  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-20 11:17:43 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						765862c4f3 
					 
					
						
						
							
							Move mbedtls_cf_memcmp to a new public header  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-19 12:22:25 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						e212379810 
					 
					
						
						
							
							Bind functions' availability for config options  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-18 19:38:02 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						949455892f 
					 
					
						
						
							
							Remove unused function  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-18 17:02:29 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						a2d0f90c5a 
					 
					
						
						
							
							Make functions static  
						
						... 
						
						
						
						These functions are only used as an auxiliary function for constant-time functions.
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-18 16:56:50 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						a316fc8eb0 
					 
					
						
						
							
							Update documentation and comments  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-18 16:39:13 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						63bbba5c13 
					 
					
						
						
							
							Rename and reorder function parameters  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-18 16:39:13 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						7013f62ee5 
					 
					
						
						
							
							Use condition for not sensitive data  
						
						... 
						
						
						
						Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-18 16:39:13 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						eab90bcc36 
					 
					
						
						
							
							Move implementation specific comment  
						
						... 
						
						
						
						This comment is about how the functions are implemented, not about their
public interface, so it doesn't belong in the header file.
It applies to everything in constant_time.c so moved there.
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-18 16:39:13 +02:00 
						 
				 
			
				
					
						
							
							
								Gabor Mezei 
							
						 
					 
					
						
						
							
						
						1e64261da5 
					 
					
						
						
							
							Make mbedtls_cf_size_mask_lt function static  
						
						... 
						
						
						
						The mbedtls_cf_size_mask_lt is solely used as an auxiliary function
for mbedtls_cf_size_mask_ge.
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com > 
						
						
					 
					
						2021-10-18 16:39:13 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						5b3a32d883 
					 
					
						
						
							
							Fix missing includes  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-29 10:53:55 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						90d96cc741 
					 
					
						
						
							
							Add documentation for the functions  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 17:07:51 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						b11a56e34c 
					 
					
						
						
							
							Unify equality checker functions return value  
						
						... 
						
						
						
						The equality checker functions always return 0 or 1 value,
thus the type of return value can be the same dispite of the
size of the parameters.
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:42:19 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						9cb55698aa 
					 
					
						
						
							
							Propagate usage of mask generation functions  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:42:19 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						396438c57b 
					 
					
						
						
							
							Unify mask generation functions  
						
						... 
						
						
						
						Generate all-bits 0 or all bits 1 mask from a value instead of from a bit.
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:42:19 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						87ac5bef97 
					 
					
						
						
							
							Unify function parameters  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:42:16 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						4602564d7a 
					 
					
						
						
							
							Unify memcmp functions  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:33:47 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						2dcd7686ce 
					 
					
						
						
							
							Typo: Unify indentation of function parameters  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:33:44 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						fdb71183f8 
					 
					
						
						
							
							Move mbedtls_cf_rsaes_pkcs1_v15_unpadding function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:28:45 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						65cefdbfcb 
					 
					
						
						
							
							Create mbedtls_cf_size_if function  
						
						... 
						
						
						
						Add a constant-time function with size_t parameter for choosing
between two integer values, like the ?: ternary operator.
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:28:44 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						c29a3da599 
					 
					
						
						
							
							Move mbedtls_mpi_lt_mpi_ct function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:28:44 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						5c97621215 
					 
					
						
						
							
							Move mbedtls_mpi_safe_cond_swap function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:28:44 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						40a4925128 
					 
					
						
						
							
							Move mbedtls_mpi_safe_cond_assign function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:28:44 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						1349ffde84 
					 
					
						
						
							
							Move mbedtls_cf_hmac function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:28:44 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						0e7f71e1a9 
					 
					
						
						
							
							Move mbedtls_cf_memcpy_offset function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:28:44 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						dee0fd33f1 
					 
					
						
						
							
							Move mbedtls_cf_memcpy_if_eq function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:28:43 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						394aeaaefb 
					 
					
						
						
							
							Move mbedtls_cf_mem_move_to_left function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:28:41 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						be8d98b0be 
					 
					
						
						
							
							Move mbedtls_cf_mpi_uint_cond_assign function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:23:57 +02:00 
						 
				 
			
				
					
						
							
							
								gabor-mezei-arm 
							
						 
					 
					
						
						
							
						
						d3230d533c 
					 
					
						
						
							
							Move mbedtls_cf_cond_select_sign function to the constant-time module  
						
						... 
						
						
						
						Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com > 
						
						
					 
					
						2021-09-28 16:21:10 +02:00