[lsd0001] branch master updated: lengths

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martin-schanzenbach pushed a commit to branch master
in repository lsd0001.

The following commit(s) were added to refs/heads/master by this push:
     new 583e83d  lengths
583e83d is described below

commit 583e83d24cf94e0842014c5e937d3ffacb4c2634
Author: Martin Schanzenbach <mschanzenbach@posteo.de>
AuthorDate: Mon Oct 5 19:37:00 2020 +0200

    lengths
---
 draft-schanzen-gns.xml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/draft-schanzen-gns.xml b/draft-schanzen-gns.xml
index 523cec3..b439b7b 100644
--- a/draft-schanzen-gns.xml
+++ b/draft-schanzen-gns.xml
@@ -727,13 +727,14 @@ SB == R + SHA512(R, zk', M) * A'
          </t>
          <artwork name="" type="" align="left" alt=""><![CDATA[
 RDATA := GCM-AES-256(K, IV, BDATA)
-BDATA := C|T = GCM-AES-256(K, IV, RDATA)
+BDATA := GCM-AES-256(K, IV, RDATA) = CIPHERTEXT | GCM_TAG
            ]]></artwork>
          <t>
            The result of the GCM encryption function is the encrypted
-           ciphertext "C" concatenated with the GCM authentication tag "T".
+           ciphertext concatenated with the 128-bit GCM authentication
+           tag "GCM_TAG".
            Accordingly, the length of BDATA equals the length of the
-           RDATA plus the length of the GCM authentication tag.
+           RDATA plus the 16 octets of the authentication tag.
          </t>
          <t>
            The key "K" and counter "IV" are derived from

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