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libsodium.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Frank Denis <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_libsodium.h"
#include "zend_exceptions.h"
#include <sodium.h>
#include <stdint.h>
#include <string.h>
#define PHP_SODIUM_ZSTR_TRUNCATE(zs, len) do { ZSTR_LEN(zs) = (len); } while(0)
static zend_class_entry *sodium_exception_ce;
ZEND_BEGIN_ARG_INFO_EX(AI_None, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_FirstArgByReferenceSecondLength, 0, 0, 2)
ZEND_ARG_INFO(1, reference)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_String, 0, 0, 1)
ZEND_ARG_INFO(0, string)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringRef, 0, 0, 1)
ZEND_ARG_INFO(1, string)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_TwoStrings, 0, 0, 2)
ZEND_ARG_INFO(0, string_1)
ZEND_ARG_INFO(0, string_2)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndMaybeString, 0, 0, 1)
ZEND_ARG_INFO(0, string_1)
/* optional */
ZEND_ARG_INFO(0, string_2)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndIdAndMaybeString, 0, 0, 2)
ZEND_ARG_INFO(0, string_1)
ZEND_ARG_INFO(0, id)
/* optional */
ZEND_ARG_INFO(0, string_2)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringRefAndString, 0, 0, 2)
ZEND_ARG_INFO(1, string_1)
ZEND_ARG_INFO(0, string_2)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndKey, 0, 0, 2)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndLength, 0, 0, 2)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndId, 0, 0, 2)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, id)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndKeyPair, 0, 0, 2)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, keypair)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_SignatureAndStringAndKey, 0, 0, 3)
ZEND_ARG_INFO(0, signature)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_Key, 0, 0, 1)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_SecretKeyAndPublicKey, 0, 0, 2)
ZEND_ARG_INFO(0, secret_key)
ZEND_ARG_INFO(0, public_key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_LengthAndNonceAndKey, 0, 0, 3)
ZEND_ARG_INFO(0, length)
ZEND_ARG_INFO(0, nonce)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndNonceAndKey, 0, 0, 3)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, nonce)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndNonceAndKeyPair, 0, 0, 3)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, nonce)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndMaybeKeyAndLength, 0, 0, 1)
ZEND_ARG_INFO(0, string)
/* optional */
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_LengthAndPasswordAndSaltAndOpsLimitAndMemLimit, 0, 0, 5)
ZEND_ARG_INFO(0, length)
ZEND_ARG_INFO(0, password)
ZEND_ARG_INFO(0, salt)
ZEND_ARG_INFO(0, opslimit)
ZEND_ARG_INFO(0, memlimit)
/* optional */
ZEND_ARG_INFO(0, alg)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_PasswordAndOpsLimitAndMemLimit, 0, 0, 3)
ZEND_ARG_INFO(0, password)
ZEND_ARG_INFO(0, opslimit)
ZEND_ARG_INFO(0, memlimit)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_HashAndPassword, 0, 0, 2)
ZEND_ARG_INFO(0, hash)
ZEND_ARG_INFO(0, password)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StringAndADAndNonceAndKey, 0, 0, 4)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, ad)
ZEND_ARG_INFO(0, nonce)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StateByReference, 0, 0, 1)
ZEND_ARG_INFO(1, state)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StateByReferenceAndStringAndMaybeStringAndLong, 0, 0, 2)
ZEND_ARG_INFO(1, state)
ZEND_ARG_INFO(0, string)
/* optional */
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, long)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StateByReferenceAndStringAndMaybeString, 0, 0, 2)
ZEND_ARG_INFO(1, state)
ZEND_ARG_INFO(0, string)
/* optional */
ZEND_ARG_INFO(0, string)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StateByReferenceAndMaybeLength, 0, 0, 1)
ZEND_ARG_INFO(1, state)
/* optional */
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_StateByReferenceAndString, 0, 0, 2)
ZEND_ARG_INFO(1, state)
ZEND_ARG_INFO(0, string)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_MaybeKeyAndLength, 0, 0, 0)
/* optional */
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_KXClientSession, 0, 0, 2)
ZEND_ARG_INFO(0, client_keypair)
ZEND_ARG_INFO(0, server_key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_KXServerSession, 0, 0, 2)
ZEND_ARG_INFO(0, server_keypair)
ZEND_ARG_INFO(0, client_key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_KDF, 0, 0, 4)
ZEND_ARG_INFO(0, subkey_len)
ZEND_ARG_INFO(0, subkey_id)
ZEND_ARG_INFO(0, context)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
#if (defined(__amd64) || defined(__amd64__) || defined(__x86_64__) || defined(__i386__) || \
defined(_M_AMD64) || defined(_M_IX86))
# define HAVE_AESGCM 1
#endif
#ifndef crypto_aead_chacha20poly1305_IETF_KEYBYTES
# define crypto_aead_chacha20poly1305_IETF_KEYBYTES crypto_aead_chacha20poly1305_KEYBYTES
#endif
#ifndef crypto_aead_chacha20poly1305_IETF_NSECBYTES
# define crypto_aead_chacha20poly1305_IETF_NSECBYTES crypto_aead_chacha20poly1305_NSECBYTES
#endif
#ifndef crypto_aead_chacha20poly1305_IETF_ABYTES
# define crypto_aead_chacha20poly1305_IETF_ABYTES crypto_aead_chacha20poly1305_ABYTES
#endif
#if defined(crypto_secretstream_xchacha20poly1305_ABYTES) && SODIUM_LIBRARY_VERSION_MAJOR < 10
# undef crypto_secretstream_xchacha20poly1305_ABYTES
#endif
const zend_function_entry sodium_functions[] = {
PHP_FE(sodium_crypto_aead_aes256gcm_is_available, AI_None)
#ifdef HAVE_AESGCM
PHP_FE(sodium_crypto_aead_aes256gcm_decrypt, AI_StringAndADAndNonceAndKey)
PHP_FE(sodium_crypto_aead_aes256gcm_encrypt, AI_StringAndADAndNonceAndKey)
PHP_FE(sodium_crypto_aead_aes256gcm_keygen, AI_None)
#endif
PHP_FE(sodium_crypto_aead_chacha20poly1305_decrypt, AI_StringAndADAndNonceAndKey)
PHP_FE(sodium_crypto_aead_chacha20poly1305_encrypt, AI_StringAndADAndNonceAndKey)
PHP_FE(sodium_crypto_aead_chacha20poly1305_keygen, AI_None)
PHP_FE(sodium_crypto_aead_chacha20poly1305_ietf_decrypt, AI_StringAndADAndNonceAndKey)
PHP_FE(sodium_crypto_aead_chacha20poly1305_ietf_encrypt, AI_StringAndADAndNonceAndKey)
PHP_FE(sodium_crypto_aead_chacha20poly1305_ietf_keygen, AI_None)
#ifdef crypto_aead_xchacha20poly1305_IETF_NPUBBYTES
PHP_FE(sodium_crypto_aead_xchacha20poly1305_ietf_decrypt, AI_StringAndADAndNonceAndKey)
PHP_FE(sodium_crypto_aead_xchacha20poly1305_ietf_keygen, AI_None)
PHP_FE(sodium_crypto_aead_xchacha20poly1305_ietf_encrypt, AI_StringAndADAndNonceAndKey)
#endif
PHP_FE(sodium_crypto_auth, AI_StringAndKey)
PHP_FE(sodium_crypto_auth_keygen, AI_None)
PHP_FE(sodium_crypto_auth_verify, AI_SignatureAndStringAndKey)
PHP_FE(sodium_crypto_box, AI_StringAndNonceAndKeyPair)
PHP_FE(sodium_crypto_box_keypair, AI_None)
PHP_FE(sodium_crypto_box_seed_keypair, AI_Key)
PHP_FE(sodium_crypto_box_keypair_from_secretkey_and_publickey, AI_SecretKeyAndPublicKey)
PHP_FE(sodium_crypto_box_open, AI_StringAndNonceAndKey)
PHP_FE(sodium_crypto_box_publickey, AI_Key)
PHP_FE(sodium_crypto_box_publickey_from_secretkey, AI_Key)
PHP_FE(sodium_crypto_box_seal, AI_StringAndKey)
PHP_FE(sodium_crypto_box_seal_open, AI_StringAndKey)
PHP_FE(sodium_crypto_box_secretkey, AI_Key)
PHP_FE(sodium_crypto_kx_keypair, AI_None)
PHP_FE(sodium_crypto_kx_publickey, AI_Key)
PHP_FE(sodium_crypto_kx_secretkey, AI_Key)
PHP_FE(sodium_crypto_kx_seed_keypair, AI_String)
PHP_FE(sodium_crypto_kx_client_session_keys, AI_KXClientSession)
PHP_FE(sodium_crypto_kx_server_session_keys, AI_KXServerSession)
PHP_FE(sodium_crypto_generichash, AI_StringAndMaybeKeyAndLength)
PHP_FE(sodium_crypto_generichash_keygen, AI_None)
PHP_FE(sodium_crypto_generichash_init, AI_MaybeKeyAndLength)
PHP_FE(sodium_crypto_generichash_update, AI_StateByReferenceAndString)
PHP_FE(sodium_crypto_generichash_final, AI_StateByReferenceAndMaybeLength)
PHP_FE(sodium_crypto_kdf_derive_from_key, AI_KDF)
PHP_FE(sodium_crypto_kdf_keygen, AI_None)
#ifdef crypto_pwhash_SALTBYTES
PHP_FE(sodium_crypto_pwhash, AI_LengthAndPasswordAndSaltAndOpsLimitAndMemLimit)
PHP_FE(sodium_crypto_pwhash_str, AI_PasswordAndOpsLimitAndMemLimit)
PHP_FE(sodium_crypto_pwhash_str_verify, AI_HashAndPassword)
#endif
#if SODIUM_LIBRARY_VERSION_MAJOR > 9 || (SODIUM_LIBRARY_VERSION_MAJOR == 9 && SODIUM_LIBRARY_VERSION_MINOR >= 6)
PHP_FE(sodium_crypto_pwhash_str_needs_rehash, AI_PasswordAndOpsLimitAndMemLimit)
#endif
#ifdef crypto_pwhash_scryptsalsa208sha256_SALTBYTES
PHP_FE(sodium_crypto_pwhash_scryptsalsa208sha256, AI_LengthAndPasswordAndSaltAndOpsLimitAndMemLimit)
PHP_FE(sodium_crypto_pwhash_scryptsalsa208sha256_str, AI_PasswordAndOpsLimitAndMemLimit)
PHP_FE(sodium_crypto_pwhash_scryptsalsa208sha256_str_verify, AI_HashAndPassword)
#endif
PHP_FE(sodium_crypto_scalarmult, AI_TwoStrings)
PHP_FE(sodium_crypto_secretbox, AI_StringAndNonceAndKey)
PHP_FE(sodium_crypto_secretbox_keygen, AI_None)
PHP_FE(sodium_crypto_secretbox_open, AI_StringAndNonceAndKey)
#ifdef crypto_secretstream_xchacha20poly1305_ABYTES
PHP_FE(sodium_crypto_secretstream_xchacha20poly1305_keygen, AI_None)
PHP_FE(sodium_crypto_secretstream_xchacha20poly1305_init_push, AI_Key)
PHP_FE(sodium_crypto_secretstream_xchacha20poly1305_push, AI_StateByReferenceAndStringAndMaybeStringAndLong)
PHP_FE(sodium_crypto_secretstream_xchacha20poly1305_init_pull, AI_StringAndKey)
PHP_FE(sodium_crypto_secretstream_xchacha20poly1305_pull, AI_StateByReferenceAndStringAndMaybeString)
PHP_FE(sodium_crypto_secretstream_xchacha20poly1305_rekey, AI_StateByReference)
#endif
PHP_FE(sodium_crypto_shorthash, AI_StringAndKey)
PHP_FE(sodium_crypto_shorthash_keygen, AI_None)
PHP_FE(sodium_crypto_sign, AI_StringAndKeyPair)
PHP_FE(sodium_crypto_sign_detached, AI_StringAndKeyPair)
PHP_FE(sodium_crypto_sign_ed25519_pk_to_curve25519, AI_Key)
PHP_FE(sodium_crypto_sign_ed25519_sk_to_curve25519, AI_Key)
PHP_FE(sodium_crypto_sign_keypair, AI_None)
PHP_FE(sodium_crypto_sign_keypair_from_secretkey_and_publickey, AI_SecretKeyAndPublicKey)
PHP_FE(sodium_crypto_sign_open, AI_StringAndKeyPair)
PHP_FE(sodium_crypto_sign_publickey, AI_Key)
PHP_FE(sodium_crypto_sign_secretkey, AI_Key)
PHP_FE(sodium_crypto_sign_publickey_from_secretkey, AI_Key)
PHP_FE(sodium_crypto_sign_seed_keypair, AI_Key)
PHP_FE(sodium_crypto_sign_verify_detached, AI_SignatureAndStringAndKey)
PHP_FE(sodium_crypto_stream, AI_LengthAndNonceAndKey)
PHP_FE(sodium_crypto_stream_keygen, AI_None)
PHP_FE(sodium_crypto_stream_xor, AI_StringAndNonceAndKey)
/* helpers */
PHP_FE(sodium_add, AI_StringRefAndString)
PHP_FE(sodium_compare, AI_TwoStrings)
PHP_FE(sodium_increment, AI_StringRef)
PHP_FE(sodium_memcmp, AI_TwoStrings)
PHP_FE(sodium_memzero, AI_FirstArgByReferenceSecondLength)
PHP_FE(sodium_pad, AI_StringAndLength)
PHP_FE(sodium_unpad, AI_StringAndLength)
/* codecs */
PHP_FE(sodium_bin2hex, AI_String)
PHP_FE(sodium_hex2bin, AI_StringAndMaybeString)
#ifdef sodium_base64_VARIANT_ORIGINAL
PHP_FE(sodium_bin2base64, AI_StringAndId)
PHP_FE(sodium_base642bin, AI_StringAndIdAndMaybeString)
#endif
/* aliases */
PHP_FALIAS(sodium_crypto_scalarmult_base, sodium_crypto_box_publickey_from_secretkey, AI_TwoStrings)
PHP_FE_END
};
zend_module_entry sodium_module_entry = {
STANDARD_MODULE_HEADER,
"sodium",
sodium_functions,
PHP_MINIT(sodium),
PHP_MSHUTDOWN(sodium),
NULL,
NULL,
PHP_MINFO(sodium),
PHP_SODIUM_VERSION,
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_SODIUM
ZEND_GET_MODULE(sodium)
#endif
/* Remove argument information from backtrace to prevent information leaks */
static void sodium_remove_param_values_from_backtrace(zend_object *obj) {
zval obj_zv, rv, *trace;
ZVAL_OBJ(&obj_zv, obj);
trace = zend_read_property(zend_get_exception_base(&obj_zv), &obj_zv, "trace", sizeof("trace")-1, 0, &rv);
if (trace && Z_TYPE_P(trace) == IS_ARRAY) {
zval *frame;
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(trace), frame) {
if (Z_TYPE_P(frame) == IS_ARRAY) {
zval *args = zend_hash_str_find(Z_ARRVAL_P(frame), "args", sizeof("args")-1);
if (args && Z_TYPE_P(frame) == IS_ARRAY) {
zend_hash_clean(Z_ARRVAL_P(args));
}
}
} ZEND_HASH_FOREACH_END();
}
}
static zend_object *sodium_exception_create_object(zend_class_entry *ce) {
zend_object *obj = zend_ce_exception->create_object(ce);
sodium_remove_param_values_from_backtrace(obj);
return obj;
}
static void sodium_separate_string(zval *zv) {
ZEND_ASSERT(Z_TYPE_P(zv) == IS_STRING);
if (!Z_REFCOUNTED_P(zv) || Z_REFCOUNT_P(zv) > 1) {
zend_string *copy = zend_string_init(Z_STRVAL_P(zv), Z_STRLEN_P(zv), 0);
Z_TRY_DELREF_P(zv);
ZVAL_STR(zv, copy);
}
}
PHP_MINIT_FUNCTION(sodium)
{
zend_class_entry ce;
if (sodium_init() < 0) {
zend_error(E_ERROR, "sodium_init()");
}
INIT_CLASS_ENTRY(ce, "SodiumException", NULL);
sodium_exception_ce = zend_register_internal_class_ex(&ce, zend_ce_exception);
sodium_exception_ce->create_object = sodium_exception_create_object;
REGISTER_STRING_CONSTANT("SODIUM_LIBRARY_VERSION",
(char *) (void *) sodium_version_string(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_LIBRARY_MAJOR_VERSION",
sodium_library_version_major(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_LIBRARY_MINOR_VERSION",
sodium_library_version_minor(), CONST_CS | CONST_PERSISTENT);
#ifdef HAVE_AESGCM
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_AES256GCM_KEYBYTES",
crypto_aead_aes256gcm_KEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_AES256GCM_NSECBYTES",
crypto_aead_aes256gcm_NSECBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_AES256GCM_NPUBBYTES",
crypto_aead_aes256gcm_NPUBBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_AES256GCM_ABYTES",
crypto_aead_aes256gcm_ABYTES, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES",
crypto_aead_chacha20poly1305_KEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES",
crypto_aead_chacha20poly1305_NSECBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES",
crypto_aead_chacha20poly1305_NPUBBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_ABYTES",
crypto_aead_chacha20poly1305_ABYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES",
crypto_aead_chacha20poly1305_IETF_KEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES",
crypto_aead_chacha20poly1305_IETF_NSECBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES",
crypto_aead_chacha20poly1305_IETF_NPUBBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES",
crypto_aead_chacha20poly1305_IETF_ABYTES, CONST_CS | CONST_PERSISTENT);
#ifdef crypto_aead_xchacha20poly1305_IETF_NPUBBYTES
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES",
crypto_aead_xchacha20poly1305_IETF_KEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NSECBYTES",
crypto_aead_xchacha20poly1305_IETF_NSECBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES",
crypto_aead_xchacha20poly1305_IETF_NPUBBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES",
crypto_aead_xchacha20poly1305_IETF_ABYTES, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AUTH_BYTES",
crypto_auth_BYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AUTH_KEYBYTES",
crypto_auth_KEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_SEALBYTES",
crypto_box_SEALBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_SECRETKEYBYTES",
crypto_box_SECRETKEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_PUBLICKEYBYTES",
crypto_box_PUBLICKEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_KEYPAIRBYTES",
crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_MACBYTES",
crypto_box_MACBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_NONCEBYTES",
crypto_box_NONCEBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_SEEDBYTES",
crypto_box_SEEDBYTES, CONST_CS | CONST_PERSISTENT);
#ifndef crypto_kdf_BYTES_MIN
# define crypto_kdf_BYTES_MIN 16
# define crypto_kdf_BYTES_MAX 64
# define crypto_kdf_CONTEXTBYTES 8
# define crypto_kdf_KEYBYTES 32
#endif
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KDF_BYTES_MIN",
crypto_kdf_BYTES_MIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KDF_BYTES_MAX",
crypto_kdf_BYTES_MAX, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KDF_CONTEXTBYTES",
crypto_kdf_CONTEXTBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KDF_KEYBYTES",
crypto_kdf_KEYBYTES, CONST_CS | CONST_PERSISTENT);
#ifndef crypto_kx_SEEDBYTES
# define crypto_kx_SEEDBYTES 32
# define crypto_kx_SESSIONKEYBYTES 32
# define crypto_kx_PUBLICKEYBYTES 32
# define crypto_kx_SECRETKEYBYTES 32
#endif
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KX_SEEDBYTES",
crypto_kx_SEEDBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KX_SESSIONKEYBYTES",
crypto_kx_SESSIONKEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KX_PUBLICKEYBYTES",
crypto_kx_PUBLICKEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KX_SECRETKEYBYTES",
crypto_kx_SECRETKEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KX_KEYPAIRBYTES",
crypto_kx_SECRETKEYBYTES + crypto_kx_PUBLICKEYBYTES,
CONST_CS | CONST_PERSISTENT);
#ifdef crypto_secretstream_xchacha20poly1305_ABYTES
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES",
crypto_secretstream_xchacha20poly1305_ABYTES,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES",
crypto_secretstream_xchacha20poly1305_HEADERBYTES,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES",
crypto_secretstream_xchacha20poly1305_KEYBYTES,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX",
crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_MESSAGE",
crypto_secretstream_xchacha20poly1305_TAG_MESSAGE,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PUSH",
crypto_secretstream_xchacha20poly1305_TAG_PUSH,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY",
crypto_secretstream_xchacha20poly1305_TAG_REKEY,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_FINAL",
crypto_secretstream_xchacha20poly1305_TAG_FINAL,
CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_BYTES",
crypto_generichash_BYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_BYTES_MIN",
crypto_generichash_BYTES_MIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_BYTES_MAX",
crypto_generichash_BYTES_MAX, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_KEYBYTES",
crypto_generichash_KEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_KEYBYTES_MIN",
crypto_generichash_KEYBYTES_MIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_KEYBYTES_MAX",
crypto_generichash_KEYBYTES_MAX, CONST_CS | CONST_PERSISTENT);
#ifdef crypto_pwhash_SALTBYTES
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_ALG_ARGON2I13",
crypto_pwhash_ALG_ARGON2I13, CONST_CS | CONST_PERSISTENT);
# ifdef crypto_pwhash_ALG_ARGON2ID13
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_ALG_ARGON2ID13",
crypto_pwhash_ALG_ARGON2ID13, CONST_CS | CONST_PERSISTENT);
# endif
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_ALG_DEFAULT",
crypto_pwhash_ALG_DEFAULT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SALTBYTES",
crypto_pwhash_SALTBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_STRING_CONSTANT("SODIUM_CRYPTO_PWHASH_STRPREFIX",
crypto_pwhash_STRPREFIX, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE",
crypto_pwhash_opslimit_interactive(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE",
crypto_pwhash_memlimit_interactive(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_OPSLIMIT_MODERATE",
crypto_pwhash_opslimit_moderate(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_MEMLIMIT_MODERATE",
crypto_pwhash_memlimit_moderate(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_OPSLIMIT_SENSITIVE",
crypto_pwhash_opslimit_sensitive(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_MEMLIMIT_SENSITIVE",
crypto_pwhash_memlimit_sensitive(), CONST_CS | CONST_PERSISTENT);
#endif
#ifdef crypto_pwhash_scryptsalsa208sha256_SALTBYTES
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES",
crypto_pwhash_scryptsalsa208sha256_SALTBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_STRING_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_STRPREFIX",
crypto_pwhash_scryptsalsa208sha256_STRPREFIX, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_INTERACTIVE",
crypto_pwhash_scryptsalsa208sha256_opslimit_interactive(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_INTERACTIVE",
crypto_pwhash_scryptsalsa208sha256_memlimit_interactive(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_SENSITIVE",
crypto_pwhash_scryptsalsa208sha256_opslimit_sensitive(), CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_SENSITIVE",
crypto_pwhash_scryptsalsa208sha256_memlimit_sensitive(), CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SCALARMULT_BYTES",
crypto_scalarmult_BYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SCALARMULT_SCALARBYTES",
crypto_scalarmult_SCALARBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SHORTHASH_BYTES",
crypto_shorthash_BYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SHORTHASH_KEYBYTES",
crypto_shorthash_KEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETBOX_KEYBYTES",
crypto_secretbox_KEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETBOX_MACBYTES",
crypto_secretbox_MACBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETBOX_NONCEBYTES",
crypto_secretbox_NONCEBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_BYTES",
crypto_sign_BYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_SEEDBYTES",
crypto_sign_SEEDBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_PUBLICKEYBYTES",
crypto_sign_PUBLICKEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_SECRETKEYBYTES",
crypto_sign_SECRETKEYBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_KEYPAIRBYTES",
crypto_sign_SECRETKEYBYTES + crypto_sign_PUBLICKEYBYTES,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_STREAM_NONCEBYTES",
crypto_stream_NONCEBYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_STREAM_KEYBYTES",
crypto_stream_KEYBYTES, CONST_CS | CONST_PERSISTENT);
#ifdef sodium_base64_VARIANT_ORIGINAL
REGISTER_LONG_CONSTANT("SODIUM_BASE64_VARIANT_ORIGINAL",
sodium_base64_VARIANT_ORIGINAL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_BASE64_VARIANT_ORIGINAL_NO_PADDING",
sodium_base64_VARIANT_ORIGINAL_NO_PADDING, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_BASE64_VARIANT_URLSAFE",
sodium_base64_VARIANT_URLSAFE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SODIUM_BASE64_VARIANT_URLSAFE_NO_PADDING",
sodium_base64_VARIANT_URLSAFE_NO_PADDING, CONST_CS | CONST_PERSISTENT);
#endif
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(sodium)
{
return SUCCESS;
}
PHP_MINFO_FUNCTION(sodium)
{
php_info_print_table_start();
php_info_print_table_header(2, "sodium support", "enabled");
php_info_print_table_row(2, "libsodium headers version", SODIUM_VERSION_STRING);
php_info_print_table_row(2, "libsodium library version", sodium_version_string());
php_info_print_table_end();
}
PHP_FUNCTION(sodium_memzero)
{
zval *buf_zv;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(),
"z", &buf_zv) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
ZVAL_DEREF(buf_zv);
if (Z_TYPE_P(buf_zv) != IS_STRING) {
zend_throw_exception(sodium_exception_ce, "a PHP string is required", 0);
return;
}
if (Z_REFCOUNTED_P(buf_zv) && Z_REFCOUNT_P(buf_zv) == 1) {
char *buf = Z_STRVAL(*buf_zv);
size_t buf_len = Z_STRLEN(*buf_zv);
if (buf_len > 0) {
sodium_memzero(buf, (size_t) buf_len);
}
}
convert_to_null(buf_zv);
}
PHP_FUNCTION(sodium_increment)
{
zval *val_zv;
unsigned char *val;
size_t val_len;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(),
"z", &val_zv) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
ZVAL_DEREF(val_zv);
if (Z_TYPE_P(val_zv) != IS_STRING) {
zend_throw_exception(sodium_exception_ce, "a PHP string is required", 0);
return;
}
sodium_separate_string(val_zv);
val = (unsigned char *) Z_STRVAL(*val_zv);
val_len = Z_STRLEN(*val_zv);
sodium_increment(val, val_len);
}
PHP_FUNCTION(sodium_add)
{
zval *val_zv;
unsigned char *val;
unsigned char *addv;
size_t val_len;
size_t addv_len;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(),
"zs", &val_zv, &addv, &addv_len) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
ZVAL_DEREF(val_zv);
if (Z_TYPE_P(val_zv) != IS_STRING) {
zend_throw_exception(sodium_exception_ce, "PHP strings are required", 0);
return;
}
sodium_separate_string(val_zv);
val = (unsigned char *) Z_STRVAL(*val_zv);
val_len = Z_STRLEN(*val_zv);
if (val_len != addv_len) {
zend_throw_exception(sodium_exception_ce, "values must have the same length", 0);
return;
}
sodium_add(val, addv, val_len);
}
PHP_FUNCTION(sodium_memcmp)
{
char *buf1;
char *buf2;
size_t len1;
size_t len2;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "ss",
&buf1, &len1,
&buf2, &len2) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
if (len1 != len2) {
zend_throw_exception(sodium_exception_ce, "arguments have different sizes", 0);
return;
}
RETURN_LONG(sodium_memcmp(buf1, buf2, len1));
}
PHP_FUNCTION(sodium_crypto_shorthash)
{
zend_string *hash;
unsigned char *key;
unsigned char *msg;
size_t key_len;
size_t msg_len;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "ss",
&msg, &msg_len,
&key, &key_len) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
if (key_len != crypto_shorthash_KEYBYTES) {
zend_throw_exception(sodium_exception_ce,
"key size should be SODIUM_CRYPTO_SHORTHASH_KEYBYTES bytes",
0);
return;
}
hash = zend_string_alloc(crypto_shorthash_BYTES, 0);
if (crypto_shorthash((unsigned char *) ZSTR_VAL(hash), msg,
(unsigned long long) msg_len, key) != 0) {
zend_string_free(hash);
zend_throw_exception(sodium_exception_ce, "internal error", 0);
return;
}
ZSTR_VAL(hash)[crypto_shorthash_BYTES] = 0;
RETURN_STR(hash);
}
PHP_FUNCTION(sodium_crypto_secretbox)
{
zend_string *ciphertext;
unsigned char *key;
unsigned char *msg;
unsigned char *nonce;
size_t key_len;
size_t msg_len;
size_t nonce_len;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "sss",
&msg, &msg_len,
&nonce, &nonce_len,
&key, &key_len) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
if (nonce_len != crypto_secretbox_NONCEBYTES) {
zend_throw_exception(sodium_exception_ce,
"nonce size should be SODIUM_CRYPTO_SECRETBOX_NONCEBYTES bytes",
0);
return;
}
if (key_len != crypto_secretbox_KEYBYTES) {
zend_throw_exception(sodium_exception_ce,
"key size should be SODIUM_CRYPTO_SECRETBOX_KEYBYTES bytes",
0);
return;
}
if (SIZE_MAX - msg_len <= crypto_secretbox_MACBYTES) {
zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0);
return;
}
ciphertext = zend_string_alloc((size_t) msg_len + crypto_secretbox_MACBYTES, 0);
if (crypto_secretbox_easy((unsigned char *) ZSTR_VAL(ciphertext),
msg, (unsigned long long) msg_len,
nonce, key) != 0) {
zend_string_free(ciphertext);
zend_throw_exception(sodium_exception_ce, "internal error", 0);
return;
}
ZSTR_VAL(ciphertext)[msg_len + crypto_secretbox_MACBYTES] = 0;
RETURN_STR(ciphertext);
}
PHP_FUNCTION(sodium_crypto_secretbox_open)
{
zend_string *msg;
unsigned char *key;
unsigned char *ciphertext;
unsigned char *nonce;
size_t key_len;
size_t ciphertext_len;
size_t nonce_len;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "sss",
&ciphertext, &ciphertext_len,
&nonce, &nonce_len,
&key, &key_len) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
if (nonce_len != crypto_secretbox_NONCEBYTES) {
zend_throw_exception(sodium_exception_ce,
"nonce size should be SODIUM_CRYPTO_SECRETBOX_NONCEBYTES bytes",
0);
return;
}
if (key_len != crypto_secretbox_KEYBYTES) {
zend_throw_exception(sodium_exception_ce,
"key size should be SODIUM_CRYPTO_SECRETBOX_KEYBYTES bytes",
0);
return;
}
if (ciphertext_len < crypto_secretbox_MACBYTES) {
RETURN_FALSE;
}
msg = zend_string_alloc
((size_t) ciphertext_len - crypto_secretbox_MACBYTES, 0);
if (crypto_secretbox_open_easy((unsigned char *) ZSTR_VAL(msg), ciphertext,
(unsigned long long) ciphertext_len,
nonce, key) != 0) {
zend_string_free(msg);
RETURN_FALSE;
} else {
ZSTR_VAL(msg)[ciphertext_len - crypto_secretbox_MACBYTES] = 0;
RETURN_STR(msg);
}
}
PHP_FUNCTION(sodium_crypto_generichash)
{
zend_string *hash;
unsigned char *key = NULL;
unsigned char *msg;
zend_long hash_len = crypto_generichash_BYTES;
size_t key_len = 0;
size_t msg_len;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "s|sl",
&msg, &msg_len,
&key, &key_len,
&hash_len) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
if (hash_len < crypto_generichash_BYTES_MIN ||
hash_len > crypto_generichash_BYTES_MAX) {
zend_throw_exception(sodium_exception_ce, "unsupported output length", 0);
return;
}
if (key_len != 0 &&
(key_len < crypto_generichash_KEYBYTES_MIN ||
key_len > crypto_generichash_KEYBYTES_MAX)) {
zend_throw_exception(sodium_exception_ce, "unsupported key length", 0);
return;
}
hash = zend_string_alloc(hash_len, 0);
if (crypto_generichash((unsigned char *) ZSTR_VAL(hash), (size_t) hash_len,
msg, (unsigned long long) msg_len,
key, (size_t) key_len) != 0) {
zend_string_free(hash);
zend_throw_exception(sodium_exception_ce, "internal error", 0);
return;
}
ZSTR_VAL(hash)[hash_len] = 0;
RETURN_STR(hash);
}
PHP_FUNCTION(sodium_crypto_generichash_init)
{
crypto_generichash_state state_tmp;
zend_string *state;
unsigned char *key = NULL;
size_t state_len = sizeof (crypto_generichash_state);
zend_long hash_len = crypto_generichash_BYTES;
size_t key_len = 0;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "|sl",
&key, &key_len,
&hash_len) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
if (hash_len < crypto_generichash_BYTES_MIN ||
hash_len > crypto_generichash_BYTES_MAX) {
zend_throw_exception(sodium_exception_ce, "unsupported output length", 0);
return;
}
if (key_len != 0 &&
(key_len < crypto_generichash_KEYBYTES_MIN ||
key_len > crypto_generichash_KEYBYTES_MAX)) {
zend_throw_exception(sodium_exception_ce, "unsupported key length", 0);
return;
}
if (crypto_generichash_init((void *) &state_tmp, key, (size_t) key_len,
(size_t) hash_len) != 0) {
zend_throw_exception(sodium_exception_ce, "internal error", 0);
return;
}
state = zend_string_alloc(state_len, 0);
memcpy(ZSTR_VAL(state), &state_tmp, state_len);
sodium_memzero(&state_tmp, sizeof state_tmp);
ZSTR_VAL(state)[state_len] = 0;
RETURN_STR(state);
}
PHP_FUNCTION(sodium_crypto_generichash_update)
{
crypto_generichash_state state_tmp;
zval *state_zv;
unsigned char *msg;
unsigned char *state;
size_t msg_len;
size_t state_len;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "zs",
&state_zv, &msg, &msg_len) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
ZVAL_DEREF(state_zv);
if (Z_TYPE_P(state_zv) != IS_STRING) {
zend_throw_exception(sodium_exception_ce, "a reference to a state is required", 0);
return;
}
sodium_separate_string(state_zv);
state = (unsigned char *) Z_STRVAL(*state_zv);
state_len = Z_STRLEN(*state_zv);
if (state_len != sizeof (crypto_generichash_state)) {
zend_throw_exception(sodium_exception_ce, "incorrect state length", 0);
return;
}
memcpy(&state_tmp, state, sizeof state_tmp);
if (crypto_generichash_update((void *) &state_tmp, msg,
(unsigned long long) msg_len) != 0) {
sodium_memzero(&state_tmp, sizeof state_tmp);
zend_throw_exception(sodium_exception_ce, "internal error", 0);
return;
}
memcpy(state, &state_tmp, state_len);
sodium_memzero(&state_tmp, sizeof state_tmp);
RETURN_TRUE;
}
PHP_FUNCTION(sodium_crypto_generichash_final)
{
crypto_generichash_state state_tmp;
zend_string *hash;
zval *state_zv;
unsigned char *state;
size_t state_len;
zend_long hash_len = crypto_generichash_BYTES;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "z|l",
&state_zv, &hash_len) == FAILURE) {
sodium_remove_param_values_from_backtrace(EG(exception));
return;
}
ZVAL_DEREF(state_zv);
if (Z_TYPE_P(state_zv) != IS_STRING) {
zend_throw_exception(sodium_exception_ce, "a reference to a state is required", 0);
return;
}
sodium_separate_string(state_zv);
state = (unsigned char *) Z_STRVAL(*state_zv);
state_len = Z_STRLEN(*state_zv);
if (state_len != sizeof (crypto_generichash_state)) {
zend_throw_exception(sodium_exception_ce, "incorrect state length", 0);
return;