crypto: aead - Add multiple algorithm registration interface

This patch adds the helpers that allow the registration and removal
of multiple algorithms.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 29 insertions, 0 deletions

diff --git a/crypto/aead.c b/crypto/aead.c
index ac4479297864..07bf99773548 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -896,6 +896,35 @@ void crypto_unregister_aead(struct aead_alg *alg)
 }
 EXPORT_SYMBOL_GPL(crypto_unregister_aead);
 
+int crypto_register_aeads(struct aead_alg *algs, int count)
+{
+        int i, ret;
+
+        for (i = 0; i < count; i++) {
+                ret = crypto_register_aead(&algs[i]);
+                if (ret)
+                        goto err;
+        }
+
+        return 0;
+
+err:
+        for (--i; i >= 0; --i)
+                crypto_unregister_aead(&algs[i]);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(crypto_register_aeads);
+
+void crypto_unregister_aeads(struct aead_alg *algs, int count)
+{
+        int i;
+
+        for (i = count - 1; i >= 0; --i)
+                crypto_unregister_aead(&algs[i]);
+}
+EXPORT_SYMBOL_GPL(crypto_unregister_aeads);
+
 int aead_register_instance(struct crypto_template *tmpl,
                            struct aead_instance *inst)
 {