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| author | Mat Martineau <mathew.j.martineau@linux.intel.com> | 2017-06-07 10:31:35 -0700 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2017-06-08 13:32:16 +0100 |
| commit | 62f223825386402db9f92ff4c148b1ab2a65f1b8 (patch) | |
| tree | 5ea331417b6bb8da71a518c86d7fca168634c994 /tests | |
| parent | badd34263aff2c53749774589310d232c31b8f4b (diff) | |
| download | keyutils-62f223825386402db9f92ff4c148b1ab2a65f1b8.tar.gz | |
TEST: Add KDF leading zero test
Diffie-Hellman results used as input to a KDF algorithm can have leading
zero bytes, and the current kernel DH implementation truncates leading
zero bytes. This test confirms that the KDF code correctly handles DH
results with leading zeros.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/keyctl/dh_compute/valid/runtest.sh | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/keyctl/dh_compute/valid/runtest.sh b/tests/keyctl/dh_compute/valid/runtest.sh index 6498eef..5ad1d14 100644 --- a/tests/keyctl/dh_compute/valid/runtest.sh +++ b/tests/keyctl/dh_compute/valid/runtest.sh @@ -171,6 +171,16 @@ marker "COMPUTE DERIVED KEY FROM DH SHARED SECRET (SHA-256)" echo -e -n $otherinfo | dh_compute_kdf_oi $privateid $primeid $xaid 16 "sha256" expect_multiline payload "$derived" +pcreate_key "-e \x01" user dh:leadingzero @s +expect_keyid lzid + +read -d '' derived2 <<"EOF" +0066207b cdab1d64 bbf489b3 d6a0dadc +EOF + +marker "COMPUTE DERIVED KEY WITH LEADING ZEROS" +echo -e -n $otherinfo | dh_compute_kdf_oi $privateid $primeid $lzid 16 "sha256" +expect_multiline payload "$derived2" # SHA-224 |