From: Eric Biggers <ebiggers@google.com>
Date: Sun, 1 Dec 2019 21:53:25 +0000 (-0800)
Subject: crypto: skcipher - add crypto_skcipher_min_keysize()
X-Git-Tag: v5.6-rc1~152^2~187
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7bada03311b62288035b0f5454cc154a44f33c56;p=linux.git

crypto: skcipher - add crypto_skcipher_min_keysize()

Add a helper function crypto_skcipher_min_keysize() to mirror
crypto_skcipher_max_keysize().

This will be used by the self-tests.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h
index 8ebf4167632b..141e7690f9c3 100644
--- a/include/crypto/skcipher.h
+++ b/include/crypto/skcipher.h
@@ -368,6 +368,12 @@ static inline int crypto_sync_skcipher_setkey(struct crypto_sync_skcipher *tfm,
 	return crypto_skcipher_setkey(&tfm->base, key, keylen);
 }
 
+static inline unsigned int crypto_skcipher_min_keysize(
+	struct crypto_skcipher *tfm)
+{
+	return crypto_skcipher_alg(tfm)->min_keysize;
+}
+
 static inline unsigned int crypto_skcipher_max_keysize(
 	struct crypto_skcipher *tfm)
 {