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[RFC,03/30] crypto: sparc/des - switch to new verification routines

Message ID 20190622003112.31033-4-ard.biesheuvel@linaro.org
State New
Headers show
Series crypto: DES/3DES cleanup | expand

Commit Message

Ard Biesheuvel June 22, 2019, 12:30 a.m. UTC 
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

---
 arch/sparc/crypto/des_glue.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

-- 
2.20.1
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Patch

diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c
index 453a4cf5492a..d0e3929359a1 100644
--- a/arch/sparc/crypto/des_glue.c
+++ b/arch/sparc/crypto/des_glue.c
@@ -11,7 +11,7 @@ 
 #include <linux/mm.h>
 #include <linux/types.h>
 #include <crypto/algapi.h>
-#include <crypto/des.h>
+#include <crypto/internal/des.h>
 
 #include <asm/fpumacro.h>
 #include <asm/pstate.h>
@@ -44,19 +44,15 @@  static int des_set_key(struct crypto_tfm *tfm, const u8 *key,
 		       unsigned int keylen)
 {
 	struct des_sparc64_ctx *dctx = crypto_tfm_ctx(tfm);
-	u32 *flags = &tfm->crt_flags;
-	u32 tmp[DES_EXPKEY_WORDS];
-	int ret;
+	int err;
 
 	/* Even though we have special instructions for key expansion,
-	 * we call des_ekey() so that we don't have to write our own
+	 * we call des_verify_key() so that we don't have to write our own
 	 * weak key detection code.
 	 */
-	ret = des_ekey(tmp, key);
-	if (unlikely(ret == 0) && (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {
-		*flags |= CRYPTO_TFM_RES_WEAK_KEY;
-		return -EINVAL;
-	}
+	err = des_verify_key(tfm, key, keylen);
+	if (unlikely(err))
+		return err;
 
 	des_sparc64_key_expand((const u32 *) key, &dctx->encrypt_expkey[0]);
 	encrypt_to_decrypt(&dctx->decrypt_expkey[0], &dctx->encrypt_expkey[0]);
@@ -207,7 +203,7 @@  static int des3_ede_set_key(struct crypto_tfm *tfm, const u8 *key,
 	u64 k3[DES_EXPKEY_WORDS / 2];
 	int err;
 
-	err = __des3_verify_key(flags, key);
+	err = crypto_des3_ede_verify_key(tfm, key, keylen);
 	if (unlikely(err))
 		return err;