From 228b98f24f1f586f23fe458b3607bae861608a60 Mon Sep 17 00:00:00 2001 From: Gilles Peskine Date: Sat, 3 Apr 2021 18:25:29 +0200 Subject: [PATCH] Add a few unit tests for mbedtls_mpi_read_string with leading zeros Signed-off-by: Gilles Peskine --- tests/suites/test_suite_mpi.data | 34 +++++++++++++++++++++++++++----- 1 file changed, 29 insertions(+), 5 deletions(-) diff --git a/tests/suites/test_suite_mpi.data b/tests/suites/test_suite_mpi.data index 5229253f6..86019e55c 100644 --- a/tests/suites/test_suite_mpi.data +++ b/tests/suites/test_suite_mpi.data @@ -10,21 +10,39 @@ mpi_null: Base test mpi_read_write_string #1 mpi_read_write_string:10:"128":10:"128":100:0:0 +Base test mpi_read_write_string #1 (Leading 0) +mpi_read_write_string:10:"0128":10:"128":100:0:0 + Base test mpi_read_write_string #2 mpi_read_write_string:10:"128":16:"80":100:0:0 -Base test mpi_read_write_string #3 (Read zero) +Base test mpi_read_write_string #3 (Read zero decimal) mpi_read_write_string:10:"0":10:"0":100:0:0 +Base test mpi_read_write_string #3 (Read zero hex) +mpi_read_write_string:16:"0":16:"00":100:0:0 + +Base test mpi_read_write_string #3 (Read minus zero decimal) +mpi_read_write_string:10:"-0":10:"0":100:0:0 + +Base test mpi_read_write_string #3 (Read minus zero hex) +mpi_read_write_string:16:"-0":16:"00":100:0:0 + Base test mpi_read_write_string #3 (Negative decimal) mpi_read_write_string:10:"-23":10:"-23":100:0:0 -Base test mpi_read_write_string #3 (Negative hex) +Base test mpi_read_write_string #3 (Negative decimal, leading 0) +mpi_read_write_string:10:"-023":10:"-23":100:0:0 + +Base test mpi_read_write_string #3 (Negative decimal -> hex) mpi_read_write_string:16:"-20":10:"-32":100:0:0 -Base test mpi_read_write_string #3 (Negative decimal) +Base test mpi_read_write_string #3 (Negative hex) mpi_read_write_string:16:"-23":16:"-23":100:0:0 +Base test mpi_read_write_string #3 (Negative hex, leading 0) +mpi_read_write_string:16:"-023":16:"-23":100:0:0 + Base test mpi_read_write_string #4 (Buffer just fits) mpi_read_write_string:16:"-4":4:"-10":4:0:0 @@ -49,12 +67,18 @@ mpi_read_write_string:10:"29":15:"1e":100:0:0 Test mpi_read_write_string #7 mpi_read_write_string:10:"56125680981752282334141896320372489490613963693556392520816017892111350604111697682705498319512049040516698827829292076808006940873974979584527073481012636016353913462376755556720019831187364993587901952757307830896531678727717924":16:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":200:0:0 -Test mpi_read_write_string #8 (Empty MPI -> hex) +Test mpi_read_write_string #8 (Empty MPI hex -> hex) mpi_read_write_string:16:"":16:"00":4:0:0 -Test mpi_read_write_string #9 (Empty MPI -> dec) +Test mpi_read_write_string #9 (Empty MPI hex -> dec) mpi_read_write_string:16:"":10:"0":4:0:0 +Test mpi_read_write_string #8 (Empty MPI dec -> hex) +mpi_read_write_string:10:"":16:"00":4:0:0 + +Test mpi_read_write_string #9 (Empty MPI dec -> dec) +mpi_read_write_string:10:"":10:"0":4:0:0 + Test mpi_write_string #10 (Negative hex with odd number of digits) mpi_read_write_string:16:"-1":16:"":3:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL