diff --git a/tests/suites/test_suite_bignum.misc.data b/tests/suites/test_suite_bignum.misc.data
index ad3129803d..efecd43cf2 100644
--- a/tests/suites/test_suite_bignum.misc.data
+++ b/tests/suites/test_suite_bignum.misc.data
@@ -1420,6 +1420,51 @@ Test mbedtls_mpi_exp_mod (N.n=3, RR.n=1 on 64 bit)
 depends_on:MBEDTLS_HAVE_INT64
 mpi_exp_mod_min_RR:"10":"2":"100000000000000010000000000000001":"100":0
 
+Base test GCD #1
+mpi_gcd:"2b5":"261":"15"
+
+Base test GCD #2
+mpi_gcd:"6e4":"364":"1c"
+
+Base test GCD #3
+mpi_gcd:"2dcdb10b":"2050d306":"1"
+
+Test GCD: 0 (null), 0 (null)
+mpi_gcd:"":"":"0"
+
+Test GCD: 0 (null), 0 (1 limb)
+mpi_gcd:"":"00":"0"
+
+Test GCD: 0 (1 limb), 0 (1 limb)
+mpi_gcd:"00":"00":"0"
+
+Test GCD: 0 (null), 3
+mpi_gcd:"":"03":"3"
+
+Test GCD: 0 (null), 6
+mpi_gcd:"":"06":"6"
+
+Test GCD: 0 (1 limb), 0 (null)
+mpi_gcd:"00":"":"0"
+
+Test GCD: 0 (1 limb), 3
+mpi_gcd:"00":"03":"3"
+
+Test GCD: 0 (1 limb), 6
+mpi_gcd:"00":"06":"6"
+
+Test GCD: 3, 0 (null)
+mpi_gcd:"03":"":"3"
+
+Test GCD: 3, 0 (1 limb)
+mpi_gcd:"03":"00":"3"
+
+Test GCD: 6, 0 (null)
+mpi_gcd:"06":"":"6"
+
+Test GCD: 6, 0 (1 limb)
+mpi_gcd:"06":"00":"6"
+
 Test GCD: gcd=1, A is odd, B is odd, 0 < A < B
 mpi_gcd:"109fe45714866e56fdd4ad9b6b686df27224afb7868cf4f0cbb794526932853cbf0beea61594166654d13cd9fe0d9da594a97ee20230f12fb5434de73fb4f8102725a01622b31b1ea42e3a265019039ac1df31869bd97930d792fb72cdaa971d8a8015af":"33ae3764fd06a00cdc3cba5c45dc79a9edb4e67e4d057cc74139d531c25190d111775fc4a0f4439b8b1930bbd766e7b46f170601f316c8a18ff8d5cb5ca5581f168345d101edb462b7d93b7c520ccb8fb276b447a63d869203cc11f67a1122dc4da034218de85e39":"1"