[PATCH v1 03/15] crypto: talitos - reduce max key size for SEC1
Christophe Leroy
christophe.leroy at c-s.fr
Tue May 21 23:34:09 AEST 2019
SEC1 doesn't support SHA384/512, so it doesn't require
longer keys.
This patch reduces the max key size when the driver
is built for SEC1 only.
Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
Fixes: 03d2c5114c95 ("crypto: talitos - Extend max key length for SHA384/512-HMAC and AEAD")
---
drivers/crypto/talitos.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 6f8bc6467706..6312f8d501b1 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -837,7 +837,11 @@ static void talitos_unregister_rng(struct device *dev)
* HMAC_SNOOP_NO_AFEA (HSNA) instead of type IPSEC_ESP
*/
#define TALITOS_CRA_PRIORITY_AEAD_HSNA (TALITOS_CRA_PRIORITY - 1)
+#ifdef CONFIG_CRYPTO_DEV_TALITOS_SEC2
#define TALITOS_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + SHA512_BLOCK_SIZE)
+#else
+#define TALITOS_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + SHA256_BLOCK_SIZE)
+#endif
#define TALITOS_MAX_IV_LENGTH 16 /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
struct talitos_ctx {
--
2.13.3
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