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|
/****************************************************************
* *
* Copyright (c) 2009-2022 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#ifndef GTMCRYPT_H
#define GTMCRYPT_H
#include "gtmxc_types.h"
#include "gtmimagename.h"
#include "have_crit.h"
#include "deferred_signal_handler.h"
#include "wbox_test_init.h"
#include "gtmmsg.h"
#include "error.h" /* for MAKE_MSG_WARNING macro */
#define gtmcrypt_close (*gtmcrypt_close_fnptr)
#define gtmcrypt_encrypt_decrypt (*gtmcrypt_encrypt_decrypt_fnptr)
#define gtmcrypt_init (*gtmcrypt_init_fnptr)
#define gtmcrypt_init_db_cipher_context_by_hash (*gtmcrypt_init_db_cipher_context_by_hash_fnptr)
#define gtmcrypt_init_device_cipher_context_by_keyname (*gtmcrypt_init_device_cipher_context_by_keyname_fnptr)
#define gtmcrypt_obtain_db_key_hash_by_keyname (*gtmcrypt_obtain_db_key_hash_by_keyname_fnptr)
#define gtmcrypt_release_cipher_context (*gtmcrypt_release_cipher_context_fnptr)
#define gtmcrypt_same_key (*gtmcrypt_same_key_fnptr)
#define gtmcrypt_strerror (*gtmcrypt_strerror_fnptr)
/* It's important that the "gtmcrypt_interface.h" include should be *after* the above macro definitions. This way, the function
* prototypes defined in the header file will automatically be expanded to function pointers saving us the trouble of explicitly
* defining them once again.
*/
#include "gtmcrypt_interface.h"
#define GTM_MAX_IV_LEN 16
typedef struct enc_handles_struct
{
gtmcrypt_key_t encr_key_handle;
gtmcrypt_key_t encr_key_handle2;
} enc_handles;
GBLREF boolean_t gtmcrypt_initialized;
GBLREF mstr pvt_crypt_buf;
GBLREF char dl_err[];
GBLREF char *gtmcrypt_badhash_size_msg;
GBLREF void (*primary_exit_handler)(void);
LITREF char gtmcrypt_repeat_msg[];
LITREF gtm_string_t null_iv;
error_def(ERR_CRYPTDLNOOPEN);
error_def(ERR_CRYPTDLNOOPEN2);
error_def(ERR_CRYPTHASHGENFAILED);
error_def(ERR_CRYPTINIT);
error_def(ERR_CRYPTKEYFETCHFAILED);
error_def(ERR_CRYPTOPFAILED);
/* =====================================================================================================*
* Error Reporting Macros *
* =====================================================================================================*/
#define CRYPTERR_MASK 0x10000000
#define REPEAT_MSG_MASK 0x20000000
#define IS_CRYPTERR_MASK(ERRID) ((ERRID) & CRYPTERR_MASK)
#define IS_REPEAT_MSG_MASK(ERRID) ((ERRID) & REPEAT_MSG_MASK)
#define SET_CRYPTERR_MASK(ERRID) ((ERRID) | CRYPTERR_MASK)
#define SET_REPEAT_MSG_MASK(ERRID) ((ERRID) | REPEAT_MSG_MASK)
#define CLEAR_CRYPTERR_MASK(ERRID) (ERRID = ((ERRID) & ~CRYPTERR_MASK))
#define CLEAR_REPEAT_MSG_MASK(ERRID) (ERRID = ((ERRID) & ~REPEAT_MSG_MASK))
#define REALLOC_CRYPTBUF_IF_NEEDED(LEN) \
{ \
if (!pvt_crypt_buf.addr || (pvt_crypt_buf.len < LEN)) \
{ \
if (pvt_crypt_buf.addr) \
free(pvt_crypt_buf.addr); \
pvt_crypt_buf.addr = (char *)malloc(LEN); \
pvt_crypt_buf.len = LEN; \
} \
}
#define GTMCRYPT_REPORT_ERROR(ERRID, MECHANISM, LEN, PTR) \
{ \
int errid; \
const char *errptr; \
intrpt_state_t prev_intrpt_state; \
\
errid = ERRID; \
assert(IS_CRYPTERR_MASK(errid)); \
CLEAR_CRYPTERR_MASK(errid); \
if (IS_REPEAT_MSG_MASK(errid)) \
errptr = >mcrypt_repeat_msg[0]; \
else if ((ERR_CRYPTDLNOOPEN == errid) || (ERR_CRYPTDLNOOPEN2 == errid) \
|| (MAKE_MSG_WARNING(ERR_CRYPTDLNOOPEN2) == errid) || (MAKE_MSG_WARNING(ERR_CRYPTDLNOOPEN) == errid)) \
errptr = (const char *)&dl_err[0]; \
else if (ERR_CRYPTHASHGENFAILED == errid) \
errptr = (const char *)gtmcrypt_badhash_size_msg; \
else \
{ \
DEFER_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
errptr = (const char *)gtmcrypt_strerror(); \
ENABLE_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
} \
CLEAR_REPEAT_MSG_MASK(errid); \
MECHANISM(VARLSTCNT(6) errid, 4, LEN, PTR, LEN_AND_STR(errptr)); \
}
#define CORE_ON_CRYPTOPFAILED \
MBSTART { \
/* Except for white box testing capture CRYPTOPFAILED cores for analysis */ \
if (!ENCR_WBOX_ENABLED) \
gtm_fork_n_core(); \
} MBEND
/* =====================================================================================================*/
/* GT.M Related Macros */
/* =====================================================================================================*/
#define IS_ENCRYPTED_BIT 1
#define TO_BE_ENCRYPTED_BIT 2
#define UNSTARTED -1
#define EMPTY_GTMCRYPT_HASH16 "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define EMPTY_GTMCRYPT_HASH32 EMPTY_GTMCRYPT_HASH16 EMPTY_GTMCRYPT_HASH16
#define EMPTY_GTMCRYPT_HASH EMPTY_GTMCRYPT_HASH32 EMPTY_GTMCRYPT_HASH32
/* Below macros accept any other field in place of CSD and CSA as long they contain the requisite fields. */
#define IS_ENCRYPTED(IS_ENCRYPTED_FIELD) (IS_ENCRYPTED_FIELD & IS_ENCRYPTED_BIT)
#define TO_BE_ENCRYPTED(IS_ENCRYPTED_FIELD) (IS_ENCRYPTED_FIELD & TO_BE_ENCRYPTED_BIT)
#define USES_ENCRYPTION(IS_ENCRYPTED_FIELD) (IS_ENCRYPTED_FIELD != 0)
#define MARK_AS_ENCRYPTED(IS_ENCRYPTED_FIELD) IS_ENCRYPTED_FIELD |= IS_ENCRYPTED_BIT
#define MARK_AS_TO_BE_ENCRYPTED(IS_ENCRYPTED_FIELD) IS_ENCRYPTED_FIELD |= TO_BE_ENCRYPTED_BIT
#define SET_AS_ENCRYPTED(IS_ENCRYPTED_FIELD) IS_ENCRYPTED_FIELD = IS_ENCRYPTED_BIT
#define SET_AS_UNENCRYPTED(IS_ENCRYPTED_FIELD) IS_ENCRYPTED_FIELD = 0
#define USES_NEW_KEY(CSD) (TO_BE_ENCRYPTED((CSD)->is_encrypted) \
&& (UNSTARTED < (CSD)->encryption_hash_cutoff))
#define USES_ANY_KEY(CSD) (IS_ENCRYPTED((CSD)->is_encrypted) \
|| (TO_BE_ENCRYPTED((CSD)->is_encrypted) \
&& (UNSTARTED < (CSD)->encryption_hash_cutoff)))
#define NEEDS_NEW_KEY(CSD, TN) (TO_BE_ENCRYPTED((CSD)->is_encrypted) \
&& (UNSTARTED < (CSD)->encryption_hash_cutoff) \
&& ((CSD)->encryption_hash2_start_tn <= TN))
#define NEEDS_ANY_KEY(CSD, TN) (IS_ENCRYPTED((CSD)->is_encrypted) \
|| (TO_BE_ENCRYPTED((CSD)->is_encrypted) \
&& (UNSTARTED < (CSD)->encryption_hash_cutoff) \
&& ((CSD)->encryption_hash2_start_tn <= TN)))
#define IS_BLK_ENCRYPTED(LEVL, BSIZ) ((0 <= ((char)LEVL)) && (0 < BSIZ))
#define BLK_NEEDS_ENCRYPTION(LEVL, BSIZ) IS_BLK_ENCRYPTED(LEVL, BSIZ)
#define BLK_NEEDS_ENCRYPTION3(FLAG, LEVL, BSIZ) (FLAG && IS_BLK_ENCRYPTED(LEVL, BSIZ))
#define ENCR_INITIALIZED gtmcrypt_initialized
#define ENCR_WBOX_ENABLED (gtm_white_box_test_case_enabled \
&& (WBTEST_ENCRYPT_INIT_ERROR == gtm_white_box_test_case_number \
|| WBTEST_LOW_MEMORY == gtm_white_box_test_case_number))
#define ASSERT_ENCRYPTION_INITIALIZED assert(ENCR_INITIALIZED || ENCR_WBOX_ENABLED)
#define IS_INTERACTIVE_MODE (IS_MUMPS_IMAGE)
#define GTMCRYPT_COPY_ENCRYPT_SETTINGS(SRC, DST) \
{ \
(DST)->is_encrypted = (SRC)->is_encrypted; \
memcpy((DST)->encryption_hash, (SRC)->encryption_hash, GTMCRYPT_HASH_LEN); \
memcpy((DST)->encryption_hash2, (SRC)->encryption_hash2, GTMCRYPT_HASH_LEN); \
(DST)->non_null_iv = (SRC)->non_null_iv; \
(DST)->encryption_hash_cutoff = (SRC)->encryption_hash_cutoff; \
(DST)->encryption_hash2_start_tn = (SRC)->encryption_hash2_start_tn; \
} \
#define SAME_ENCRYPTION_SETTINGS(SRC1, SRC2) \
(((SRC1)->is_encrypted == (SRC2)->is_encrypted) \
&& (!IS_ENCRYPTED((SRC1)->is_encrypted) \
|| (!memcmp((SRC1)->encryption_hash, (SRC2)->encryption_hash, GTMCRYPT_HASH_LEN) \
&& ((SRC1)->non_null_iv == (SRC2)->non_null_iv))) \
&& ((SRC1)->encryption_hash_cutoff == (SRC2)->encryption_hash_cutoff) \
&& ((UNSTARTED == (SRC1)->encryption_hash_cutoff) \
|| (!memcmp((SRC1)->encryption_hash2, (SRC2)->encryption_hash2, GTMCRYPT_HASH_LEN) \
&& ((SRC1)->encryption_hash2_start_tn == (SRC2)->encryption_hash2_start_tn))))
/* General Note: All macros below (except GTMCRYPT_CLOSE) take CSA as their first parameter. Currently, most macros do not use CSA,
* but include a reference to CSA in case a need arises in the future.
*/
/* Database specific initialization - gets the encryption key corresponding to the HASH (SHA-512 currently) found in the database
* file header and allocates a buffer large enough to encrypt/decrypt database block sizes.
*/
#define INIT_DB_OR_JNL_ENCRYPTION(CSA, CSD, FILENAME_LEN, FILENAME, RC) \
{ \
RC = 0; \
(CSA)->encr_key_handle = (void *)GTMCRYPT_INVALID_KEY_HANDLE; \
(CSA)->encr_key_handle2 = (void *)GTMCRYPT_INVALID_KEY_HANDLE; \
if (IS_ENCRYPTED((CSD)->is_encrypted)) \
{ \
GTMCRYPT_INIT_BOTH_CIPHER_CONTEXTS(CSA, (CSD)->encryption_hash, \
FILENAME_LEN, FILENAME, (CSA)->encr_key_handle, RC); \
} \
if ((0 == RC) && USES_NEW_KEY(CSD)) \
{ \
GTMCRYPT_INIT_BOTH_CIPHER_CONTEXTS(CSA, (CSD)->encryption_hash2, \
FILENAME_LEN, FILENAME, (CSA)->encr_key_handle2, RC); \
} \
}
/* Process specific initialization - dlopen libgtmcrypt.so and invoke gtmcrypt_init() */
#define INIT_PROC_ENCRYPTION(RC) \
{ \
intrpt_state_t prev_intrpt_state; \
\
RC = 0; \
if (!gtmcrypt_initialized) \
{ \
if (0 == (RC = gtmcrypt_entry())) \
{ /* dlopen succeeded */ \
DEFER_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
if (0 != gtmcrypt_init(IS_INTERACTIVE_MODE ? GTMCRYPT_OP_INTERACTIVE_MODE : 0)) \
RC = SET_CRYPTERR_MASK(ERR_CRYPTINIT); \
else \
gtmcrypt_initialized = TRUE; /* Intialization is done for this process. */ \
ENABLE_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
if (gtmcrypt_initialized && primary_exit_handler) \
atexit(primary_exit_handler); \
} else \
RC = SET_CRYPTERR_MASK(RC); \
} \
}
/* Given a cryptographic hash (currently SHA-512), the below macro retrieves a handle to the symmetric key corresponding to
* the hash. This macro is always called before attempting an encrypt or decrypt operation.
*/
#define GTMCRYPT_INIT_BOTH_CIPHER_CONTEXTS(CSA, HASH, DB_PATH_LENGTH, DB_PATH, ENCRYPT_KEY_HANDLE, RC) \
{ \
gtm_string_t hash_string, db_path_string; \
intrpt_state_t prev_intrpt_state; \
\
ENCRYPT_KEY_HANDLE = GTMCRYPT_INVALID_KEY_HANDLE; \
if (gtmcrypt_initialized) \
{ \
assert(NULL != HASH); \
hash_string.length = (gtm_long_t)GTMCRYPT_HASH_LEN; \
hash_string.address = (gtm_char_t *)(HASH); \
db_path_string.length = (gtm_long_t)DB_PATH_LENGTH; \
db_path_string.address = (gtm_char_t *)(DB_PATH); \
assert(0 <= db_path_string.length); \
DEFER_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
if (0 != gtmcrypt_init_db_cipher_context_by_hash(&(ENCRYPT_KEY_HANDLE), hash_string, db_path_string, null_iv)) \
RC = SET_CRYPTERR_MASK(ERR_CRYPTKEYFETCHFAILED); \
else \
RC = 0; \
ENABLE_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
} else \
{ \
RC = SET_REPEAT_MSG_MASK((SET_CRYPTERR_MASK(ERR_CRYPTOPFAILED))); \
DEBUG_ONLY(CORE_ON_CRYPTOPFAILED); \
} \
if (gtmcrypt_initialized && primary_exit_handler) \
atexit(primary_exit_handler); \
}
/* Ensure that the symmetric key corresponding to the specified hash exists and that a handle is created. */
#define GTMCRYPT_HASH_CHK(CSA, HASH, DB_PATH_LENGTH, DB_PATH, RC) \
{ \
gtmcrypt_key_t handle; \
\
GTMCRYPT_INIT_BOTH_CIPHER_CONTEXTS(CSA, HASH, DB_PATH_LENGTH, DB_PATH, handle, RC); \
}
/* The below macro retrieves a handle to the symmetric key corresponding to the provided key name as specified in the
* configuration file.
*/
#define GTMCRYPT_INIT_CIPHER_CONTEXT(KEYNAME_LENGTH, KEYNAME, IV_LENGTH, IV, KEY_HANDLE, OPERATION, RC) \
{ \
gtm_string_t keyname, iv; \
intrpt_state_t prev_intrpt_state; \
\
KEY_HANDLE = GTMCRYPT_INVALID_KEY_HANDLE; \
if (gtmcrypt_initialized) \
{ \
assert(NULL != KEYNAME); \
assert(NULL != IV); \
keyname.length = (gtm_long_t)KEYNAME_LENGTH; \
keyname.address = (gtm_char_t *)(KEYNAME); \
iv.length = (gtm_long_t)IV_LENGTH; \
iv.address = (gtm_char_t *)(IV); \
DEFER_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
if (0 != gtmcrypt_init_device_cipher_context_by_keyname(&(KEY_HANDLE), keyname, iv, OPERATION)) \
RC = SET_CRYPTERR_MASK(ERR_CRYPTKEYFETCHFAILED); \
else \
RC = 0; \
ENABLE_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
} else \
{ \
RC = SET_REPEAT_MSG_MASK((SET_CRYPTERR_MASK(ERR_CRYPTOPFAILED))); \
DEBUG_ONLY(CORE_ON_CRYPTOPFAILED); \
} \
}
/* Safely remove the specified handle to a particular symmetric key. */
#define GTMCRYPT_REMOVE_CIPHER_CONTEXT(KEY_HANDLE, RC) \
{ \
intrpt_state_t prev_intrpt_state; \
\
RC = 0; \
if (gtmcrypt_initialized && (GTMCRYPT_INVALID_KEY_HANDLE != KEY_HANDLE)) \
{ \
DEFER_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
if (0 != gtmcrypt_release_cipher_context(KEY_HANDLE)) \
{ \
RC = SET_CRYPTERR_MASK(ERR_CRYPTKEYFETCHFAILED); \
} else \
{ \
KEY_HANDLE = GTMCRYPT_INVALID_KEY_HANDLE; \
RC = 0; \
} \
ENABLE_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
} \
}
/* Based on the database name (used as a key name), the below macro looks up the corresponding symmetric key and copies its hash
* into the passed buffer storage.
*/
#define GTMCRYPT_HASH_GEN(CSA, FILENAME_LENGTH, FILENAME, KEY_PATH_LENGTH, KEY_PATH, HASH, RC) \
{ \
gtm_string_t filename_string, hash_string, key_path_string; \
intrpt_state_t prev_intrpt_state; \
\
if (gtmcrypt_initialized) \
{ \
assert(NULL != FILENAME); \
assert(NULL != HASH); \
filename_string.length = (gtm_long_t)FILENAME_LENGTH; \
filename_string.address = (gtm_char_t *)(FILENAME); \
assert(0 <= filename_string.length); \
key_path_string.length = (gtm_long_t)KEY_PATH_LENGTH; \
key_path_string.address = (gtm_char_t *)(KEY_PATH); \
assert(0 <= key_path_string.length); \
DEFER_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
if (0 != gtmcrypt_obtain_db_key_hash_by_keyname(filename_string, key_path_string, &hash_string)) \
RC = SET_CRYPTERR_MASK(ERR_CRYPTKEYFETCHFAILED); \
else \
{ \
if (hash_string.length != GTMCRYPT_HASH_LEN) \
{ /* Populate the message about the bad hash size, allocating the buffer, if necessary. */ \
if (NULL == gtmcrypt_badhash_size_msg) \
gtmcrypt_badhash_size_msg = (char *)malloc(1024); \
SNPRINTF(gtmcrypt_badhash_size_msg, 1023, "Specified symmetric key hash has " \
"length %d, which is different from the expected hash length %d", \
hash_string.length, GTMCRYPT_HASH_LEN); \
RC = SET_CRYPTERR_MASK(ERR_CRYPTHASHGENFAILED); \
} else \
{ /* Note that the copy is not NULL-terminated. */ \
memcpy(HASH, hash_string.address, hash_string.length); \
RC = 0; \
} \
} \
ENABLE_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
} else \
{ \
RC = SET_REPEAT_MSG_MASK((SET_CRYPTERR_MASK(ERR_CRYPTOPFAILED))); \
DEBUG_ONLY(CORE_ON_CRYPTOPFAILED); \
} \
}
/* Encrypt data with either a null IV or set to the specified value prior to the operation. */
#define GTMCRYPT_ENCRYPT(CSA, USE_NON_NULL_IV, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, IV_ADDR, IV_LEN, RC) \
{ \
gtm_string_t iv_macro; \
\
if (!(USE_NON_NULL_IV)) \
{ \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_ENCRYPT, GTMCRYPT_IV_RESET, null_iv, RC); \
} else \
{ \
assert(IV_LEN <= GTM_MAX_IV_LEN); \
iv_macro.address = (gtm_char_t *)IV_ADDR; \
iv_macro.length = (gtm_long_t)IV_LEN; \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_ENCRYPT, GTMCRYPT_IV_SET, iv_macro, RC); \
} \
}
/* Decrypt data with either a null IV or set to the specified value prior to the operation. */
#define GTMCRYPT_DECRYPT(CSA, USE_NON_NULL_IV, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, IV_ADDR, IV_LEN, RC) \
{ \
gtm_string_t iv_macro; \
\
if (!(USE_NON_NULL_IV)) \
{ \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_DECRYPT, GTMCRYPT_IV_RESET, null_iv, RC); \
} else \
{ \
assert(IV_LEN <= GTM_MAX_IV_LEN); \
iv_macro.address = (gtm_char_t *)IV_ADDR; \
iv_macro.length = (gtm_long_t)IV_LEN; \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_DECRYPT, GTMCRYPT_IV_SET, iv_macro, RC); \
} \
}
/* Encrypt data with the IV reset to all-NULL initial value prior to the operation. */
#define GTMCRYPT_ENCRYPT_NO_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, RC) \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_ENCRYPT, GTMCRYPT_IV_RESET, null_iv, RC)
/* Decrypt data with the IV reset to all-NULL initial value prior to the operation. */
#define GTMCRYPT_DECRYPT_NO_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, RC) \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_DECRYPT, GTMCRYPT_IV_RESET, null_iv, RC)
/* Encrypt data with the IV set to the specified value prior to the operation. */
#define GTMCRYPT_ENCRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, IV_ADDR, IV_LEN, RC) \
{ \
gtm_string_t iv_macro; \
\
assert(IV_LEN <= GTM_MAX_IV_LEN); \
iv_macro.address = (gtm_char_t *)IV_ADDR; \
iv_macro.length = (gtm_long_t)IV_LEN; \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_ENCRYPT, GTMCRYPT_IV_SET, iv_macro, RC); \
}
/* Decrypt data with the IV set to the specified value prior to the operation. */
#define GTMCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, IV_ADDR, IV_LEN, RC) \
{ \
gtm_string_t iv_macro; \
\
assert(IV_LEN <= GTM_MAX_IV_LEN); \
iv_macro.address = (gtm_char_t *)IV_ADDR; \
iv_macro.length = (gtm_long_t)IV_LEN; \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_DECRYPT, GTMCRYPT_IV_SET, iv_macro, RC); \
}
/* Encrypt data without touching the IV prior to the operation. */
#define GTMCRYPT_ENCRYPT_CONT_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, RC) \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_ENCRYPT, GTMCRYPT_IV_CONTINUE, null_iv, RC) /* Use of null_iv as argument is irrelevant. */
/* Decrypt data without touching the IV prior to the operation. */
#define GTMCRYPT_DECRYPT_CONT_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, RC) \
GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, \
GTMCRYPT_OP_DECRYPT, GTMCRYPT_IV_CONTINUE, null_iv, RC) /* Use of null_iv as argument is irrelevant. */
/* Encrypt or decrypt data with the IV optionally set to a specified, or reset to the initial, value prior to the operation. */
#ifdef GTM_CRYPT_ENCRYPT_DECRYPT_LOG
# define GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, OPERATION, IV_MODE, IV, RC) \
{ \
int i; \
unsigned char c; \
intrpt_state_t prev_intrpt_state; \
\
assert(INBUF); \
if (gtmcrypt_initialized && (GTMCRYPT_INVALID_KEY_HANDLE != KEY_HANDLE)) \
{ \
DEFER_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
FPRINTF(stderr, (OPERATION == GTMCRYPT_OP_ENCRYPT ? "Going to ENCRYPT\n" : "Going to DECRYPT\n")); \
for (i = 0; i < INBUF_LEN; i++) \
{ \
c = ((char *)INBUF)[i]; \
FPRINTF(stderr, "%c(%02x) ", 31 < c && 127 > c ? c : '.', c); \
} \
FPRINTF(stderr, "\n IV:\n "); \
for (i = 0; i < (IV).length; i++) \
{ \
c = ((char *)(IV).address)[i]; \
FPRINTF(stderr, "%c(%02x) ", 31 < c && 127 > c ? c : '.', c); \
} \
FPRINTF(stderr, "\n"); \
FFLUSH(stderr); \
if (0 == gtmcrypt_encrypt_decrypt(KEY_HANDLE, (char *)(INBUF), INBUF_LEN, (char *)(OUTBUF), \
OPERATION, IV_MODE, IV)) \
{ \
FPRINTF(stderr, " Result:\n "); \
for (i = 0; i < INBUF_LEN; i++) \
{ \
c = ((OUTBUF == NULL) ? (char *)INBUF : (char *)(OUTBUF))[i]; \
FPRINTF(stderr, "%c(%02x) ", 31 < c && 127 > c ? c : '.', c); \
} \
FPRINTF(stderr, "\n---------------------------------------------------------\n"); \
FFLUSH(stderr); \
RC = 0; \
} else \
RC = SET_CRYPTERR_MASK(ERR_CRYPTOPFAILED); \
ENABLE_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
} else \
{ \
RC = SET_REPEAT_MSG_MASK((SET_CRYPTERR_MASK(ERR_CRYPTOPFAILED))); \
DEBUG_ONLY(CORE_ON_CRYPTOPFAILED); \
} \
}
#else
# define GTMCRYPT_ENCRYPT_DECRYPT_WITH_IV(CSA, KEY_HANDLE, INBUF, INBUF_LEN, OUTBUF, OPERATION, IV_MODE, IV, RC) \
{ \
intrpt_state_t prev_intrpt_state; \
char *gcedwiv_inbuf = (char *)(INBUF); \
\
assert(gcedwiv_inbuf); \
if (gtmcrypt_initialized && (GTMCRYPT_INVALID_KEY_HANDLE != KEY_HANDLE)) \
{ \
DEFER_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
if (0 == gtmcrypt_encrypt_decrypt(KEY_HANDLE, gcedwiv_inbuf, INBUF_LEN, (char *)(OUTBUF), \
OPERATION, IV_MODE, IV)) \
RC = 0; \
else \
{ \
RC = SET_CRYPTERR_MASK(ERR_CRYPTOPFAILED); \
DEBUG_ONLY(CORE_ON_CRYPTOPFAILED); \
} \
ENABLE_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
} else \
{ \
RC = SET_REPEAT_MSG_MASK((SET_CRYPTERR_MASK(ERR_CRYPTOPFAILED))); \
DEBUG_ONLY(CORE_ON_CRYPTOPFAILED); \
} \
}
#endif
/* Check whether the specified symmetric key handles belong to the same key. */
#define GTMCRYPT_SAME_KEY(KEY_HANDLE1, KEY_HANDLE2) \
gtmcrypt_same_key(KEY_HANDLE1, KEY_HANDLE2)
/* Shut down the encryption for this process. */
#define GTMCRYPT_CLOSE \
{ \
intrpt_state_t prev_intrpt_state; \
\
if (gtmcrypt_initialized) \
{ \
DEFER_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
gtmcrypt_close(); \
gtmcrypt_initialized = FALSE; \
ENABLE_INTERRUPTS(INTRPT_IN_CRYPT_SECTION, prev_intrpt_state); \
} \
}
uint4 gtmcrypt_entry(void);
boolean_t verify_lib_loadpath(const char *libname, char *loadpath);
#endif /* GTMCRYPT_H */
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