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Name	Size	Permission
apr-x86_64.h	17.89 KB	-rw-r--r--
apr.h	636 B	-rw-r--r--
apr_allocator.h	6.07 KB	-rw-r--r--
apr_anylock.h	4.93 KB	-rw-r--r--
apr_atomic.h	6.04 KB	-rw-r--r--
apr_base64.h	3.75 KB	-rw-r--r--
apr_buckets.h	63.15 KB	-rw-r--r--
apr_crypto.h	19.68 KB	-rw-r--r--
apr_cstr.h	11.13 KB	-rw-r--r--
apr_date.h	3.47 KB	-rw-r--r--
apr_dbd.h	23.35 KB	-rw-r--r--
apr_dbm.h	8.4 KB	-rw-r--r--
apr_dso.h	2.64 KB	-rw-r--r--
apr_encode.h	30.35 KB	-rw-r--r--
apr_env.h	2.06 KB	-rw-r--r--
apr_errno.h	53.77 KB	-rw-r--r--
apr_escape.h	17.23 KB	-rw-r--r--
apr_file_info.h	17.17 KB	-rw-r--r--
apr_file_io.h	42.88 KB	-rw-r--r--
apr_fnmatch.h	6.08 KB	-rw-r--r--
apr_general.h	7.34 KB	-rw-r--r--
apr_getopt.h	5.84 KB	-rw-r--r--
apr_global_mutex.h	7.19 KB	-rw-r--r--
apr_hash.h	10.08 KB	-rw-r--r--
apr_hooks.h	12.36 KB	-rw-r--r--
apr_inherit.h	2.09 KB	-rw-r--r--
apr_ldap.h	5.57 KB	-rw-r--r--
apr_ldap_init.h	5.64 KB	-rw-r--r--
apr_ldap_option.h	8.4 KB	-rw-r--r--
apr_ldap_rebind.h	3.09 KB	-rw-r--r--
apr_ldap_url.h	3.71 KB	-rw-r--r--
apr_lib.h	8.23 KB	-rw-r--r--
apr_md4.h	4.42 KB	-rw-r--r--
apr_md5.h	6.2 KB	-rw-r--r--
apr_memcache.h	16.82 KB	-rw-r--r--
apr_mmap.h	5.01 KB	-rw-r--r--
apr_network_io.h	36.02 KB	-rw-r--r--
apr_optional.h	2.71 KB	-rw-r--r--
apr_optional_hooks.h	3.78 KB	-rw-r--r--
apr_perms_set.h	1.86 KB	-rw-r--r--
apr_poll.h	20.6 KB	-rw-r--r--
apr_pools.h	30.94 KB	-rw-r--r--
apr_portable.h	20.02 KB	-rw-r--r--
apr_proc_mutex.h	6.85 KB	-rw-r--r--
apr_queue.h	3.98 KB	-rw-r--r--
apr_random.h	4.92 KB	-rw-r--r--
apr_redis.h	15.62 KB	-rw-r--r--
apr_reslist.h	7.01 KB	-rw-r--r--
apr_ring.h	18.78 KB	-rw-r--r--
apr_rmm.h	4.67 KB	-rw-r--r--
apr_sdbm.h	5.97 KB	-rw-r--r--
apr_sha1.h	3.79 KB	-rw-r--r--
apr_shm.h	9.26 KB	-rw-r--r--
apr_signal.h	2.7 KB	-rw-r--r--
apr_siphash.h	6.01 KB	-rw-r--r--
apr_skiplist.h	14.19 KB	-rw-r--r--
apr_strings.h	14.55 KB	-rw-r--r--
apr_strmatch.h	2.61 KB	-rw-r--r--
apr_support.h	1.6 KB	-rw-r--r--
apr_tables.h	18.9 KB	-rw-r--r--
apr_thread_cond.h	5.4 KB	-rw-r--r--
apr_thread_mutex.h	4.39 KB	-rw-r--r--
apr_thread_pool.h	10.84 KB	-rw-r--r--
apr_thread_proc.h	36.8 KB	-rw-r--r--
apr_thread_rwlock.h	4.65 KB	-rw-r--r--
apr_time.h	7.39 KB	-rw-r--r--
apr_uri.h	6.43 KB	-rw-r--r--
apr_user.h	5.19 KB	-rw-r--r--
apr_uuid.h	2.05 KB	-rw-r--r--
apr_version.h	5.22 KB	-rw-r--r--
apr_want.h	2.89 KB	-rw-r--r--
apr_xlate.h	6.26 KB	-rw-r--r--
apr_xml.h	12.19 KB	-rw-r--r--
apu.h	4.22 KB	-rw-r--r--
apu_errno.h	5.32 KB	-rw-r--r--
apu_version.h	4.2 KB	-rw-r--r--
apu_want.h	1.45 KB	-rw-r--r--

Code Editor : apr_crypto.h

/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef APR_CRYPTO_H
#define APR_CRYPTO_H

#include "apu.h"
#include "apr_pools.h"
#include "apr_tables.h"
#include "apr_hash.h"
#include "apu_errno.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @file apr_crypto.h
 * @brief APR-UTIL Crypto library
 */
/**
 * @defgroup APR_Util_Crypto Crypto routines
 * @ingroup APR_Util
 * @{
 */

#if APU_HAVE_CRYPTO

#ifndef APU_CRYPTO_RECOMMENDED_DRIVER
#if APU_HAVE_COMMONCRYPTO
#define APU_CRYPTO_RECOMMENDED_DRIVER "commoncrypto"
#else
#if APU_HAVE_OPENSSL
#define APU_CRYPTO_RECOMMENDED_DRIVER "openssl"
#else
#if APU_HAVE_NSS
#define APU_CRYPTO_RECOMMENDED_DRIVER "nss"
#else
#if APU_HAVE_MSCNG
#define APU_CRYPTO_RECOMMENDED_DRIVER "mscng"
#else
#if APU_HAVE_MSCAPI
#define APU_CRYPTO_RECOMMENDED_DRIVER "mscapi"
#else
#endif
#endif
#endif
#endif
#endif
#endif

/**
 * Symmetric Key types understood by the library.
 *
 * NOTE: It is expected that this list will grow over time.
 *
 * Interoperability Matrix:
 *
 * The matrix is based on the testcrypto.c unit test, which attempts to
 * test whether a simple encrypt/decrypt will succeed, as well as testing
 * whether an encrypted string by one library can be decrypted by the
 * others.
 *
 * Some libraries will successfully encrypt and decrypt their own data,
 * but won't decrypt data from another library. It is hoped that over
 * time these anomalies will be found and fixed, but until then it is
 * recommended that ciphers are chosen that interoperate across platform.
 *
 * An X below means the test passes, it does not necessarily mean that
 * encryption performed is correct or secure. Applications should stick
 * to ciphers that pass the interoperablity tests on the right hand side
 * of the table.
 *
 * Aligned data is data whose length is a multiple of the block size for
 * the chosen cipher. Padded data is data that is not aligned by block
 * size and must be padded by the crypto library.
 *
 *                  OpenSSL    CommonCrypto   NSS       Interop
 *                 Align  Pad  Align  Pad  Align  Pad  Align  Pad
 * 3DES_192/CBC    X      X    X      X    X      X    X      X
 * 3DES_192/ECB    X      X    X      X
 * AES_256/CBC     X      X    X      X    X      X    X      X
 * AES_256/ECB     X      X    X      X    X           X
 * AES_192/CBC     X      X    X      X    X      X
 * AES_192/ECB     X      X    X      X    X
 * AES_128/CBC     X      X    X      X    X      X
 * AES_128/ECB     X      X    X      X    X
 *
 * Conclusion: for padded data, use 3DES_192/CBC or AES_256/CBC. For
 * aligned data, use 3DES_192/CBC, AES_256/CBC or AES_256/ECB.
 */

typedef enum
{
    APR_KEY_NONE, APR_KEY_3DES_192, /** 192 bit (3-Key) 3DES */
    APR_KEY_AES_128, /** 128 bit AES */
    APR_KEY_AES_192, /** 192 bit AES */
    APR_KEY_AES_256
/** 256 bit AES */
} apr_crypto_block_key_type_e;

typedef enum
{
    APR_MODE_NONE, /** An error condition */
    APR_MODE_ECB, /** Electronic Code Book */
    APR_MODE_CBC
/** Cipher Block Chaining */
} apr_crypto_block_key_mode_e;

/* These are opaque structs.  Instantiation is up to each backend */
typedef struct apr_crypto_driver_t apr_crypto_driver_t;
typedef struct apr_crypto_t apr_crypto_t;
typedef struct apr_crypto_config_t apr_crypto_config_t;
typedef struct apr_crypto_key_t apr_crypto_key_t;
typedef struct apr_crypto_block_t apr_crypto_block_t;

typedef struct apr_crypto_block_key_type_t {
    apr_crypto_block_key_type_e type;
    int keysize;
    int blocksize;
    int ivsize;
} apr_crypto_block_key_type_t;

typedef struct apr_crypto_block_key_mode_t {
    apr_crypto_block_key_mode_e mode;
} apr_crypto_block_key_mode_t;

typedef struct apr_crypto_passphrase_t {
    const char *pass;
    apr_size_t passLen;
    const unsigned char * salt;
    apr_size_t saltLen;
    int iterations;
} apr_crypto_passphrase_t;

typedef struct apr_crypto_secret_t {
    const unsigned char *secret;
    apr_size_t secretLen;
} apr_crypto_secret_t;

typedef enum {
    /** Key is derived from a passphrase */
    APR_CRYPTO_KTYPE_PASSPHRASE     = 1,
    /** Key is derived from a raw key */
    APR_CRYPTO_KTYPE_SECRET     = 2,
} apr_crypto_key_type;

typedef struct apr_crypto_key_rec_t {
    apr_crypto_key_type ktype;
    apr_crypto_block_key_type_e type;
    apr_crypto_block_key_mode_e mode;
    int pad;
    union {
        apr_crypto_passphrase_t passphrase;
        apr_crypto_secret_t secret;
    } k;
} apr_crypto_key_rec_t;

/**
 * @brief Perform once-only initialisation. Call once only.
 *
 * @param pool - pool to register any shutdown cleanups, etc
 * @return APR_NOTIMPL in case of no crypto support.
 */
APU_DECLARE(apr_status_t) apr_crypto_init(apr_pool_t *pool);

/**
 * @brief Zero out the buffer provided when the pool is cleaned up.
 *
 * @param pool - pool to register the cleanup
 * @param buffer - buffer to zero out
 * @param size - size of the buffer to zero out
 */
APU_DECLARE(apr_status_t) apr_crypto_clear(apr_pool_t *pool, void *buffer,
        apr_size_t size);

/**
 * @brief Always zero out the buffer provided, without being optimized out by
 * the compiler.
 *
 * @param buffer - buffer to zero out
 * @param size - size of the buffer to zero out
 */
APU_DECLARE(apr_status_t) apr_crypto_memzero(void *buffer, apr_size_t size);

/**
 * @brief Timing attacks safe buffers comparison, where the executing time does
 * not depend on the bytes compared but solely on the number of bytes.
 *
 * @param buf1 - first buffer to compare
 * @param buf2 - second buffer to compare
 * @param size - size of the buffers to compare
 * @return 1 if the buffers are equals, 0 otherwise.
 */
APU_DECLARE(int) apr_crypto_equals(const void *buf1, const void *buf2,
                                   apr_size_t size);

/**
 * @brief Get the driver struct for a name
 *
 * @param driver - pointer to driver struct.
 * @param name - driver name
 * @param params - array of initialisation parameters
 * @param result - result and error message on failure
 * @param pool - (process) pool to register cleanup
 * @return APR_SUCCESS for success
 * @return APR_ENOTIMPL for no driver (when DSO not enabled)
 * @return APR_EDSOOPEN if DSO driver file can't be opened
 * @return APR_ESYMNOTFOUND if the driver file doesn't contain a driver
 * @remarks NSS: the params can have "dir", "key3", "cert7" and "secmod"
 *  keys, each followed by an equal sign and a value. Such key/value pairs can
 *  be delimited by space or tab. If the value contains a space, surround the
 *  whole key value pair in quotes: "dir=My Directory".
 * @remarks OpenSSL: currently no params are supported.
 */
APU_DECLARE(apr_status_t) apr_crypto_get_driver(
        const apr_crypto_driver_t **driver,
        const char *name, const char *params, const apu_err_t **result,
        apr_pool_t *pool);

/**
 * @brief Return the name of the driver.
 *
 * @param driver - The driver in use.
 * @return The name of the driver.
 */
APU_DECLARE(const char *) apr_crypto_driver_name(
        const apr_crypto_driver_t *driver);

/**
 * @brief Get the result of the last operation on a context. If the result
 *        is NULL, the operation was successful.
 * @param result - the result structure
 * @param f - context pointer
 * @return APR_SUCCESS for success
 */
APU_DECLARE(apr_status_t) apr_crypto_error(const apu_err_t **result,
        const apr_crypto_t *f);

/**
 * @brief Create a context for supporting encryption. Keys, certificates,
 *        algorithms and other parameters will be set per context. More than
 *        one context can be created at one time. A cleanup will be automatically
 *        registered with the given pool to guarantee a graceful shutdown.
 * @param f - context pointer will be written here
 * @param driver - driver to use
 * @param params - array of key parameters
 * @param pool - process pool
 * @return APR_ENOENGINE when the engine specified does not exist. APR_EINITENGINE
 * if the engine cannot be initialised.
 * @remarks NSS: currently no params are supported.
 * @remarks OpenSSL: the params can have "engine" as a key, followed by an equal
 *  sign and a value.
 */
APU_DECLARE(apr_status_t) apr_crypto_make(apr_crypto_t **f,
        const apr_crypto_driver_t *driver, const char *params,
        apr_pool_t *pool);

/**
 * @brief Get a hash table of key types, keyed by the name of the type against
 * a pointer to apr_crypto_block_key_type_t, which in turn begins with an
 * integer.
 *
 * @param types - hashtable of key types keyed to constants.
 * @param f - encryption context
 * @return APR_SUCCESS for success
 */
APU_DECLARE(apr_status_t) apr_crypto_get_block_key_types(apr_hash_t **types,
        const apr_crypto_t *f);

/**
 * @brief Get a hash table of key modes, keyed by the name of the mode against
 * a pointer to apr_crypto_block_key_mode_t, which in turn begins with an
 * integer.
 *
 * @param modes - hashtable of key modes keyed to constants.
 * @param f - encryption context
 * @return APR_SUCCESS for success
 */
APU_DECLARE(apr_status_t) apr_crypto_get_block_key_modes(apr_hash_t **modes,
        const apr_crypto_t *f);

/**
 * @brief Create a key from the provided secret or passphrase. The key is cleaned
 *        up when the context is cleaned, and may be reused with multiple encryption
 *        or decryption operations.
 * @note If *key is NULL, a apr_crypto_key_t will be created from a pool. If
 *       *key is not NULL, *key must point at a previously created structure.
 * @param key The key returned, see note.
 * @param rec The key record, from which the key will be derived.
 * @param f The context to use.
 * @param p The pool to use.
 * @return Returns APR_ENOKEY if the pass phrase is missing or empty, or if a backend
 *         error occurred while generating the key. APR_ENOCIPHER if the type or mode
 *         is not supported by the particular backend. APR_EKEYTYPE if the key type is
 *         not known. APR_EPADDING if padding was requested but is not supported.
 *         APR_ENOTIMPL if not implemented.
 */
APU_DECLARE(apr_status_t) apr_crypto_key(apr_crypto_key_t **key,
        const apr_crypto_key_rec_t *rec, const apr_crypto_t *f, apr_pool_t *p);

/**
 * @brief Create a key from the given passphrase. By default, the PBKDF2
 *        algorithm is used to generate the key from the passphrase. It is expected
 *        that the same pass phrase will generate the same key, regardless of the
 *        backend crypto platform used. The key is cleaned up when the context
 *        is cleaned, and may be reused with multiple encryption or decryption
 *        operations.
 * @note If *key is NULL, a apr_crypto_key_t will be created from a pool. If
 *       *key is not NULL, *key must point at a previously created structure.
 * @param key The key returned, see note.
 * @param ivSize The size of the initialisation vector will be returned, based
 *               on whether an IV is relevant for this type of crypto.
 * @param pass The passphrase to use.
 * @param passLen The passphrase length in bytes
 * @param salt The salt to use.
 * @param saltLen The salt length in bytes
 * @param type 3DES_192, AES_128, AES_192, AES_256.
 * @param mode Electronic Code Book / Cipher Block Chaining.
 * @param doPad Pad if necessary.
 * @param iterations Number of iterations to use in algorithm
 * @param f The context to use.
 * @param p The pool to use.
 * @return Returns APR_ENOKEY if the pass phrase is missing or empty, or if a backend
 *         error occurred while generating the key. APR_ENOCIPHER if the type or mode
 *         is not supported by the particular backend. APR_EKEYTYPE if the key type is
 *         not known. APR_EPADDING if padding was requested but is not supported.
 *         APR_ENOTIMPL if not implemented.
 * @deprecated Replaced by apr_crypto_key().
 */
APU_DECLARE(apr_status_t) apr_crypto_passphrase(apr_crypto_key_t **key,
        apr_size_t *ivSize, const char *pass, apr_size_t passLen,
        const unsigned char * salt, apr_size_t saltLen,
        const apr_crypto_block_key_type_e type,
        const apr_crypto_block_key_mode_e mode, const int doPad,
        const int iterations, const apr_crypto_t *f, apr_pool_t *p);

/**
 * @brief Initialise a context for encrypting arbitrary data using the given key.
 * @note If *ctx is NULL, a apr_crypto_block_t will be created from a pool. If
 *       *ctx is not NULL, *ctx must point at a previously created structure.
 * @param ctx The block context returned, see note.
 * @param iv Optional initialisation vector. If the buffer pointed to is NULL,
 *           an IV will be created at random, in space allocated from the pool.
 *           If the buffer pointed to is not NULL, the IV in the buffer will be
 *           used.
 * @param key The key structure to use.
 * @param blockSize The block size of the cipher.
 * @param p The pool to use.
 * @return Returns APR_ENOIV if an initialisation vector is required but not specified.
 *         Returns APR_EINIT if the backend failed to initialise the context. Returns
 *         APR_ENOTIMPL if not implemented.
 */
APU_DECLARE(apr_status_t) apr_crypto_block_encrypt_init(
        apr_crypto_block_t **ctx, const unsigned char **iv,
        const apr_crypto_key_t *key, apr_size_t *blockSize, apr_pool_t *p);

/**
 * @brief Encrypt data provided by in, write it to out.
 * @note The number of bytes written will be written to outlen. If
 *       out is NULL, outlen will contain the maximum size of the
 *       buffer needed to hold the data, including any data
 *       generated by apr_crypto_block_encrypt_finish below. If *out points
 *       to NULL, a buffer sufficiently large will be created from
 *       the pool provided. If *out points to a not-NULL value, this
 *       value will be used as a buffer instead.
 * @param out Address of a buffer to which data will be written,
 *        see note.
 * @param outlen Length of the output will be written here.
 * @param in Address of the buffer to read.
 * @param inlen Length of the buffer to read.
 * @param ctx The block context to use.
 * @return APR_ECRYPT if an error occurred. Returns APR_ENOTIMPL if
 *         not implemented.
 */
APU_DECLARE(apr_status_t) apr_crypto_block_encrypt(unsigned char **out,
        apr_size_t *outlen, const unsigned char *in, apr_size_t inlen,
        apr_crypto_block_t *ctx);

/**
 * @brief Encrypt final data block, write it to out.
 * @note If necessary the final block will be written out after being
 *       padded. Typically the final block will be written to the
 *       same buffer used by apr_crypto_block_encrypt, offset by the
 *       number of bytes returned as actually written by the
 *       apr_crypto_block_encrypt() call. After this call, the context
 *       is cleaned and can be reused by apr_crypto_block_encrypt_init().
 * @param out Address of a buffer to which data will be written. This
 *            buffer must already exist, and is usually the same
 *            buffer used by apr_evp_crypt(). See note.
 * @param outlen Length of the output will be written here.
 * @param ctx The block context to use.
 * @return APR_ECRYPT if an error occurred.
 * @return APR_EPADDING if padding was enabled and the block was incorrectly
 *         formatted.
 * @return APR_ENOTIMPL if not implemented.
 */
APU_DECLARE(apr_status_t) apr_crypto_block_encrypt_finish(unsigned char *out,
        apr_size_t *outlen, apr_crypto_block_t *ctx);

/**
 * @brief Initialise a context for decrypting arbitrary data using the given key.
 * @note If *ctx is NULL, a apr_crypto_block_t will be created from a pool. If
 *       *ctx is not NULL, *ctx must point at a previously created structure.
 * @param ctx The block context returned, see note.
 * @param blockSize The block size of the cipher.
 * @param iv Optional initialisation vector.
 * @param key The key structure to use.
 * @param p The pool to use.
 * @return Returns APR_ENOIV if an initialisation vector is required but not specified.
 *         Returns APR_EINIT if the backend failed to initialise the context. Returns
 *         APR_ENOTIMPL if not implemented.
 */
APU_DECLARE(apr_status_t) apr_crypto_block_decrypt_init(
        apr_crypto_block_t **ctx, apr_size_t *blockSize,
        const unsigned char *iv, const apr_crypto_key_t *key, apr_pool_t *p);

/**
 * @brief Decrypt data provided by in, write it to out.
 * @note The number of bytes written will be written to outlen. If
 *       out is NULL, outlen will contain the maximum size of the
 *       buffer needed to hold the data, including any data
 *       generated by apr_crypto_block_decrypt_finish below. If *out points
 *       to NULL, a buffer sufficiently large will be created from
 *       the pool provided. If *out points to a not-NULL value, this
 *       value will be used as a buffer instead.
 * @param out Address of a buffer to which data will be written,
 *        see note.
 * @param outlen Length of the output will be written here.
 * @param in Address of the buffer to read.
 * @param inlen Length of the buffer to read.
 * @param ctx The block context to use.
 * @return APR_ECRYPT if an error occurred. Returns APR_ENOTIMPL if
 *         not implemented.
 */
APU_DECLARE(apr_status_t) apr_crypto_block_decrypt(unsigned char **out,
        apr_size_t *outlen, const unsigned char *in, apr_size_t inlen,
        apr_crypto_block_t *ctx);

/**
 * @brief Decrypt final data block, write it to out.
 * @note If necessary the final block will be written out after being
 *       padded. Typically the final block will be written to the
 *       same buffer used by apr_crypto_block_decrypt, offset by the
 *       number of bytes returned as actually written by the
 *       apr_crypto_block_decrypt() call. After this call, the context
 *       is cleaned and can be reused by apr_crypto_block_decrypt_init().
 * @param out Address of a buffer to which data will be written. This
 *            buffer must already exist, and is usually the same
 *            buffer used by apr_evp_crypt(). See note.
 * @param outlen Length of the output will be written here.
 * @param ctx The block context to use.
 * @return APR_ECRYPT if an error occurred.
 * @return APR_EPADDING if padding was enabled and the block was incorrectly
 *         formatted.
 * @return APR_ENOTIMPL if not implemented.
 */
APU_DECLARE(apr_status_t) apr_crypto_block_decrypt_finish(unsigned char *out,
        apr_size_t *outlen, apr_crypto_block_t *ctx);

/**
 * @brief Clean encryption / decryption context.
 * @note After cleanup, a context is free to be reused if necessary.
 * @param ctx The block context to use.
 * @return Returns APR_ENOTIMPL if not supported.
 */
APU_DECLARE(apr_status_t) apr_crypto_block_cleanup(apr_crypto_block_t *ctx);

/**
 * @brief Clean encryption / decryption context.
 * @note After cleanup, a context is free to be reused if necessary.
 * @param f The context to use.
 * @return Returns APR_ENOTIMPL if not supported.
 */
APU_DECLARE(apr_status_t) apr_crypto_cleanup(apr_crypto_t *f);

/**
 * @brief Shutdown the crypto library.
 * @note After shutdown, it is expected that the init function can be called again.
 * @param driver - driver to use
 * @return Returns APR_ENOTIMPL if not supported.
 */
APU_DECLARE(apr_status_t) apr_crypto_shutdown(
        const apr_crypto_driver_t *driver);

#endif /* APU_HAVE_CRYPTO */

/** @} */

#ifdef __cplusplus
}
#endif

#endif

${this.title}

Code Editor : apr_crypto.h