1 files changed, 120 insertions, 0 deletions
diff --git a/include/mysql/service_my_crypt.h b/include/mysql/service_my_crypt.h
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+++ b/include/mysql/service_my_crypt.h
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+#ifndef MYSQL_SERVICE_MY_CRYPT_INCLUDED
+#define MYSQL_SERVICE_MY_CRYPT_INCLUDED
+
+/*
+ Copyright (c) 2014 Google Inc.
+ Copyright (c) 2014, 2015 MariaDB Corporation
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+/**
+ @file
+ my crypt service
+
+ AES encryption functions, and a function to generate random bytes.
+
+ Include my_config.h before this file to use CTR and GCM modes
+ (they only work if server was compiled with  openssl).
+*/
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* return values from my_aes_encrypt/my_aes_decrypt functions */
+#define MY_AES_OK               0
+#define MY_AES_BAD_DATA         -100
+#define MY_AES_OPENSSL_ERROR    -101
+#define MY_AES_BAD_KEYSIZE      -102
+
+/* The block size for all supported algorithms */
+#define MY_AES_BLOCK_SIZE 16
+
+/* The max key length of all supported algorithms */
+#define MY_AES_MAX_KEY_LENGTH 32
+
+#define MY_AES_CTX_SIZE 656
+
+enum my_aes_mode {
+    MY_AES_ECB, MY_AES_CBC
+#ifdef HAVE_EncryptAes128Ctr
+  , MY_AES_CTR
+#endif
+#ifdef HAVE_EncryptAes128Gcm
+  , MY_AES_GCM
+#endif
+};
+
+extern struct my_crypt_service_st {
+  int (*my_aes_crypt_init)(void *ctx, enum my_aes_mode mode, int flags,
+                      const unsigned char* key, unsigned int klen,
+                      const unsigned char* iv, unsigned int ivlen);
+  int (*my_aes_crypt_update)(void *ctx, const unsigned char *src, unsigned int slen,
+                        unsigned char *dst, unsigned int *dlen);
+  int (*my_aes_crypt_finish)(void *ctx, unsigned char *dst, unsigned int *dlen);
+  int (*my_aes_crypt)(enum my_aes_mode mode, int flags,
+                 const unsigned char *src, unsigned int slen, unsigned char *dst, unsigned int *dlen,
+                 const unsigned char *key, unsigned int klen, const unsigned char *iv, unsigned int ivlen);
+  unsigned int (*my_aes_get_size)(enum my_aes_mode mode, unsigned int source_length);
+  unsigned int (*my_aes_ctx_size)(enum my_aes_mode mode);
+  int (*my_random_bytes)(unsigned char* buf, int num);
+} *my_crypt_service;
+
+#ifdef MYSQL_DYNAMIC_PLUGIN
+
+#define my_aes_crypt_init(A,B,C,D,E,F,G) \
+   my_crypt_service->my_aes_crypt_init(A,B,C,D,E,F,G)
+
+#define my_aes_crypt_update(A,B,C,D,E) \
+   my_crypt_service->my_aes_crypt_update(A,B,C,D,E)
+
+#define my_aes_crypt_finish(A,B,C) \
+  my_crypt_service->my_aes_crypt_finish(A,B,C)
+
+#define my_aes_crypt(A,B,C,D,E,F,G,H,I,J) \
+  my_crypt_service->my_aes_crypt(A,B,C,D,E,F,G,H,I,J)
+
+#define my_aes_get_size(A,B)\
+  my_crypt_service->my_aes_get_size(A,B)
+
+#define my_aes_ctx_size(A)\
+  my_crypt_service->my_aes_ctx_size(A)
+
+#define my_random_bytes(A,B)\
+  my_crypt_service->my_random_bytes(A,B)
+
+#else
+
+int my_aes_crypt_init(void *ctx, enum my_aes_mode mode, int flags,
+                      const unsigned char* key, unsigned int klen,
+                      const unsigned char* iv, unsigned int ivlen);
+int my_aes_crypt_update(void *ctx, const unsigned char *src, unsigned int slen,
+                        unsigned char *dst, unsigned int *dlen);
+int my_aes_crypt_finish(void *ctx, unsigned char *dst, unsigned int *dlen);
+int my_aes_crypt(enum my_aes_mode mode, int flags,
+                 const unsigned char *src, unsigned int slen, unsigned char *dst, unsigned int *dlen,
+                 const unsigned char *key, unsigned int klen, const unsigned char *iv, unsigned int ivlen);
+
+int my_random_bytes(unsigned char* buf, int num);
+unsigned int my_aes_get_size(enum my_aes_mode mode, unsigned int source_length);
+unsigned int my_aes_ctx_size(enum my_aes_mode mode);
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MYSQL_SERVICE_MY_CRYPT_INCLUDED */