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authorHuang Ying <ying.huang@intel.com>2009-01-18 16:19:46 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2009-02-18 16:48:05 +0800
commit1cac2cbc76b9f3fce0d4ccc374e724e7f2533a47 (patch)
treeea54d0d42ca3775a57620cb3c4c115e15d96d9a3 /include/crypto
parent1693531e9ef11959300617c68a8322ad006b5475 (diff)
downloadlinux-linaro-1cac2cbc76b9f3fce0d4ccc374e724e7f2533a47.tar.gz
crypto: cryptd - Add support to access underlying blkcipher
cryptd_alloc_ablkcipher() will allocate a cryptd-ed ablkcipher for specified algorithm name. The new allocated one is guaranteed to be cryptd-ed ablkcipher, so the blkcipher underlying can be gotten via cryptd_ablkcipher_child(). Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/cryptd.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/crypto/cryptd.h b/include/crypto/cryptd.h
new file mode 100644
index 00000000000..55fa7bbdbc7
--- /dev/null
+++ b/include/crypto/cryptd.h
@@ -0,0 +1,27 @@
+/*
+ * Software async crypto daemon
+ */
+
+#ifndef _CRYPTO_CRYPT_H
+#define _CRYPTO_CRYPT_H
+
+#include <linux/crypto.h>
+#include <linux/kernel.h>
+
+struct cryptd_ablkcipher {
+ struct crypto_ablkcipher base;
+};
+
+static inline struct cryptd_ablkcipher *__cryptd_ablkcipher_cast(
+ struct crypto_ablkcipher *tfm)
+{
+ return (struct cryptd_ablkcipher *)tfm;
+}
+
+/* alg_name should be algorithm to be cryptd-ed */
+struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
+ u32 type, u32 mask);
+struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
+void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
+
+#endif