Linux cryptographic layer development
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* [PATCH] crypto: chacha_generic - remove unnecessary setkey() functions
@ 2019-11-18  7:21 Eric Biggers
  2019-11-18  7:26 ` Ard Biesheuvel
  2019-11-22 11:10 ` Herbert Xu
  0 siblings, 2 replies; 3+ messages in thread
From: Eric Biggers @ 2019-11-18  7:21 UTC (permalink / raw)
  To: linux-crypto, Herbert Xu; +Cc: Ard Biesheuvel

From: Eric Biggers <ebiggers@google.com>

Use chacha20_setkey() and chacha12_setkey() from
<crypto/internal/chacha.h> instead of defining them again in
chacha_generic.c.

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 crypto/chacha_generic.c | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/crypto/chacha_generic.c b/crypto/chacha_generic.c
index c1b147318393..8beea79ab117 100644
--- a/crypto/chacha_generic.c
+++ b/crypto/chacha_generic.c
@@ -37,18 +37,6 @@ static int chacha_stream_xor(struct skcipher_request *req,
 	return err;
 }
 
-static int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
-				  unsigned int keysize)
-{
-	return chacha_setkey(tfm, key, keysize, 20);
-}
-
-static int crypto_chacha12_setkey(struct crypto_skcipher *tfm, const u8 *key,
-				 unsigned int keysize)
-{
-	return chacha_setkey(tfm, key, keysize, 12);
-}
-
 static int crypto_chacha_crypt(struct skcipher_request *req)
 {
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
@@ -91,7 +79,7 @@ static struct skcipher_alg algs[] = {
 		.max_keysize		= CHACHA_KEY_SIZE,
 		.ivsize			= CHACHA_IV_SIZE,
 		.chunksize		= CHACHA_BLOCK_SIZE,
-		.setkey			= crypto_chacha20_setkey,
+		.setkey			= chacha20_setkey,
 		.encrypt		= crypto_chacha_crypt,
 		.decrypt		= crypto_chacha_crypt,
 	}, {
@@ -106,7 +94,7 @@ static struct skcipher_alg algs[] = {
 		.max_keysize		= CHACHA_KEY_SIZE,
 		.ivsize			= XCHACHA_IV_SIZE,
 		.chunksize		= CHACHA_BLOCK_SIZE,
-		.setkey			= crypto_chacha20_setkey,
+		.setkey			= chacha20_setkey,
 		.encrypt		= crypto_xchacha_crypt,
 		.decrypt		= crypto_xchacha_crypt,
 	}, {
@@ -121,7 +109,7 @@ static struct skcipher_alg algs[] = {
 		.max_keysize		= CHACHA_KEY_SIZE,
 		.ivsize			= XCHACHA_IV_SIZE,
 		.chunksize		= CHACHA_BLOCK_SIZE,
-		.setkey			= crypto_chacha12_setkey,
+		.setkey			= chacha12_setkey,
 		.encrypt		= crypto_xchacha_crypt,
 		.decrypt		= crypto_xchacha_crypt,
 	}
-- 
2.24.0


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-11-22 11:10 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2019-11-18  7:21 [PATCH] crypto: chacha_generic - remove unnecessary setkey() functions Eric Biggers
2019-11-18  7:26 ` Ard Biesheuvel
2019-11-22 11:10 ` Herbert Xu

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