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Diffstat (limited to 'include/mysql/service_my_crypt.h')
-rw-r--r-- | include/mysql/service_my_crypt.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/include/mysql/service_my_crypt.h b/include/mysql/service_my_crypt.h new file mode 100644 index 00000000..1a4ebcfd --- /dev/null +++ b/include/mysql/service_my_crypt.h @@ -0,0 +1,120 @@ +#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 1040 + +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 */ |