crypto: gcm - make GMAC work when dst and src are different
The GMAC code assumes that dst==src, which causes problems when trying to add
rfc4543(gcm(aes)) test vectors.
So fix this code to work when source and destination buffer are different.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/Kconfig b/crypto/Kconfig
index a654b13..6cc27f1 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -198,6 +198,7 @@
select CRYPTO_CTR
select CRYPTO_AEAD
select CRYPTO_GHASH
+ select CRYPTO_NULL
help
Support for Galois/Counter Mode (GCM) and Galois Message
Authentication Code (GMAC). Required for IPSec.