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author | Vitaly Chikunov <vt@altlinux.org> | 2018-07-23 03:41:37 +0300 |
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committer | Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> | 2018-08-21 20:09:13 +0300 |
commit | f50c7763856641d88f9a9c2757964a0433b82f42 (patch) | |
tree | b7e6cc7b4df5c7a918c7e816b627d4a311c0daf7 | |
parent | 5b07c368d61ff31b23938520a0f8b765cd27d1eb (diff) | |
download | gost-engine-f50c7763856641d88f9a9c2757964a0433b82f42.zip gost-engine-f50c7763856641d88f9a9c2757964a0433b82f42.tar.gz gost-engine-f50c7763856641d88f9a9c2757964a0433b82f42.tar.bz2 |
test_grasshopper: Test OFB after it's fixed
(cherry picked from commit ee15414bf118b8e3370ec8b5f0c4ff74eea9b31f)
-rw-r--r-- | test_grasshopper.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/test_grasshopper.c b/test_grasshopper.c index cb27895..434586f 100644 --- a/test_grasshopper.c +++ b/test_grasshopper.c @@ -223,14 +223,18 @@ int main(int argc, char **argv) ret |= test_block(cipher_gost_grasshopper_ctr(), "ctr", E_CTR); ret |= test_block(cipher_gost_grasshopper_ctr(), "ctr iv2", E_CTR_IV2); ret |= test_stream(cipher_gost_grasshopper_ctr(), "ctr", E_CTR); - ret |= test_block(cipher_gost_grasshopper_ofb(), "ofb", E_OFB); /* * Other modes (ofb, cbc, cfb) is impossible to test to match GOST R - * 34.13-2015 test vectors due to these vectors having exceeding IV - * length value (m) = 256 bits, while openssl have hardcoded limit + * 34.13-2015 test vectors exactly, due to these vectors having exceeding + * IV length value (m) = 256 bits, while openssl have hard-coded limit * of maximum IV length of 128 bits (EVP_MAX_IV_LENGTH). * Also, current grasshopper code having fixed IV length of 128 bits. + * + * Thus, new test vectors are generated with truncated 128-bit IV using + * canonical GOST implementation from TC26. */ + ret |= test_block(cipher_gost_grasshopper_ofb(), "ofb", E_OFB); + ret |= test_stream(cipher_gost_grasshopper_ctr(), "ofb", E_CTR); ret |= test_omac(); |