From: Mark Wooding <mdw@distorted.org.uk>
Date: Fri, 9 Nov 2018 18:14:37 +0000 (+0000)
Subject: symm/: Introduce the idea of MAC modes based on blockciphers.
X-Git-Tag: 2.5.0~14^2~34
X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/commitdiff_plain/349817552edaaec8131fd2ad9c1532799e9f33f3

symm/: Introduce the idea of MAC modes based on blockciphers.

This is just a build-system tweak.  No such modes exist yet.

Hint, hint.
---

diff --git a/symm/Makefile.am b/symm/Makefile.am
index 3db9f3f4..0de914f3 100644
--- a/symm/Makefile.am
+++ b/symm/Makefile.am
@@ -68,6 +68,7 @@ $(srcdir)/modes.am: modes.am.in Makefile.am
 		blkc="$(BLKCS)" \
 			blkcmode="$(BLKCMODES)" \
 			blkcciphermode="$(BLKCCIPHERMODES)" \
+			blkcmacmode="$(BLKCMACMODES)" \
 		hash="$(HASHES)" \
 			hashmode="$(HASHMODES)" \
 			hashciphermode="$(HASHCIPHERMODES)" \
@@ -94,6 +95,9 @@ BLKCMODES		 =
 BLKCCIPHERMODES		 =
 BLKCMODES		+= $(BLKCCIPHERMODES)
 
+BLKCMACMODES		 =
+BLKCMODES		+= $(BLKCMACMODES)
+
 ## A tool for translating the AES-contest test vectors into a form our test
 ## rigs understand.
 EXTRA_DIST		+= aes-trans
diff --git a/symm/modes.am.in b/symm/modes.am.in
index 8ce9f832..2adbac72 100644
--- a/symm/modes.am.in
+++ b/symm/modes.am.in
@@ -64,6 +64,9 @@ CIPHER_MODES += @{hash:f}-@hashciphermode
 ## Modes for message authentication.
 MAC_MODES =
 %repeat
+MAC_MODES += @{blkc:f}-@blkcmacmode
+%end
+%repeat
 MAC_MODES += @{hash:f}-@hashmacmode
 %end