From 8b6e4f2d8b21c25225b1ce8d53a2e03b92cc8522 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Tue, 2 Feb 2010 16:07:07 -0800 Subject: ceph: aes crypto and base64 encode/decode helpers Helpers to encrypt/decrypt AES and base64. Signed-off-by: Yehuda Sadeh Signed-off-by: Sage Weil --- fs/ceph/crypto.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 fs/ceph/crypto.h (limited to 'fs/ceph/crypto.h') diff --git a/fs/ceph/crypto.h b/fs/ceph/crypto.h new file mode 100644 index 000000000000..40b502e6bd89 --- /dev/null +++ b/fs/ceph/crypto.h @@ -0,0 +1,48 @@ +#ifndef _FS_CEPH_CRYPTO_H +#define _FS_CEPH_CRYPTO_H + +#include "types.h" +#include "buffer.h" + +/* + * cryptographic secret + */ +struct ceph_crypto_key { + int type; + struct ceph_timespec created; + int len; + void *key; +}; + +static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key) +{ + kfree(key->key); +} + +extern int ceph_crypto_key_encode(struct ceph_crypto_key *key, + void **p, void *end); +extern int ceph_crypto_key_decode(struct ceph_crypto_key *key, + void **p, void *end); +extern int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); + +/* crypto.c */ +extern int ceph_decrypt(struct ceph_crypto_key *secret, + void *dst, size_t *dst_len, + const void *src, size_t src_len); +extern int ceph_encrypt(struct ceph_crypto_key *secret, + void *dst, size_t *dst_len, + const void *src, size_t src_len); +extern int ceph_decrypt2(struct ceph_crypto_key *secret, + void *dst1, size_t *dst1_len, + void *dst2, size_t *dst2_len, + const void *src, size_t src_len); +extern int ceph_encrypt2(struct ceph_crypto_key *secret, + void *dst, size_t *dst_len, + const void *src1, size_t src1_len, + const void *src2, size_t src2_len); + +/* armor.c */ +extern int ceph_armor(char *dst, const void *src, const void *end); +extern int ceph_unarmor(void *dst, const char *src, const char *end); + +#endif -- cgit v1.2.3