[CRYPTO] aead: Add givcrypt operations

[powerpc.git] / crypto / aead.c

diff --git a/crypto/aead.c b/crypto/aead.c
index f23c2b0..0402b60 100644 (file)
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -77,6 +77,11 @@ static unsigned int crypto_aead_ctxsize(struct crypto_alg *alg, u32 type,
        return alg->cra_ctxsize;
 }
 
+static int no_givdecrypt(struct aead_givcrypt_request *req)
+{
+       return -ENOSYS;
+}
+
 static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 {
        struct aead_alg *alg = &tfm->__crt_alg->cra_aead;
@@ -88,6 +93,8 @@ static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
        crt->setkey = setkey;
        crt->encrypt = alg->encrypt;
        crt->decrypt = alg->decrypt;
+       crt->givencrypt = alg->givencrypt;
+       crt->givdecrypt = alg->givdecrypt ?: no_givdecrypt;
        crt->ivsize = alg->ivsize;
        crt->authsize = alg->maxauthsize;