summaryrefslogtreecommitdiffstats
path: root/security/nss/cmd/pk11gcmtest/tests/README
diff options
context:
space:
mode:
Diffstat (limited to 'security/nss/cmd/pk11gcmtest/tests/README')
-rw-r--r--security/nss/cmd/pk11gcmtest/tests/README14
1 files changed, 14 insertions, 0 deletions
diff --git a/security/nss/cmd/pk11gcmtest/tests/README b/security/nss/cmd/pk11gcmtest/tests/README
new file mode 100644
index 0000000000..9131b52314
--- /dev/null
+++ b/security/nss/cmd/pk11gcmtest/tests/README
@@ -0,0 +1,14 @@
+The GCM test vectors in this directory were downloaded from the NIST
+Cryptographic Algorithm Validation Program (CAVP) website
+(http://csrc.nist.gov/groups/STM/cavp/) on Mar 29, 2013 using the URL
+http://csrc.nist.gov/groups/STM/cavp/documents/mac/gcmtestvectors.zip.
+
+The original test files are about 3 MB each, which are too big to
+include in the NSS source tree. I observed the following patterns in
+the test vectors:
+1. Taglen changes in a cycle of 7: 128, 120, 112, 104, 96, 64, 32.
+2. Then, AADlen changes in a cycle of 5: 0, 128, 160, 384, 720.
+
+To reduce the number of test vectors, I kept Taglen = 128, 96 from
+each cycle of 7, and kept AADlen = 0, 720, 160 from each two cycles
+of 10.