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DHM: add test case with x_size < 0

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2021-04-13 22:26:27 +02:00
parent 19e36207ba
commit 3270b14d4b
1 changed files with 7 additions and 0 deletions
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tests/suites/test_suite_dhm.data
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@ -27,6 +27,10 @@ dhm_do_dhm:10:"23":1:10:"5":0
Diffie-Hellman full exchange: 5-bit #5
dhm_do_dhm:10:"23":1:10:"5":0
## This is x_size = P_size + 1. Arguably x_size > P_size makes no sense,
## but it's the current undocumented behavior to treat it the same as when
## x_size = P_size. If this behavior changes in the future, change the expected
## return status from 0 to MBEDTLS_ERR_DHM_BAD_INPUT_DATA.
Diffie-Hellman full exchange: 97-bit, x_size=14
dhm_do_dhm:10:"93450983094850938450983409623":14:10:"9345098304850938450983409622":0
@ -81,6 +85,9 @@ dhm_do_dhm:10:"3":1:10:"5":MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED+MBEDTLS_ERR_MPI_BA
Diffie-Hellman zero modulus
dhm_do_dhm:10:"0":1:10:"5":MBEDTLS_ERR_DHM_BAD_INPUT_DATA
Diffie-Hellman: x_size < 0
dhm_do_dhm:10:"93450983094850938450983409623":-1:10:"9345098304850938450983409622":MBEDTLS_ERR_DHM_BAD_INPUT_DATA
Diffie-Hellman MPI_MAX_SIZE modulus
dhm_make_public:MBEDTLS_MPI_MAX_SIZE:10:"5":0