forked from jedisct1/libsodium-php
/
libsodium.c
2230 lines (2032 loc) · 81.6 KB
/
libsodium.c
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#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 "compat.h"
#include <sodium.h>
#include <stdint.h>
const int pass_rest_by_reference = 1;
const int pass_arg_by_reference = 0;
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_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_FourStrings, 0, 0, 3)
ZEND_ARG_INFO(0, string_1)
ZEND_ARG_INFO(0, string_2)
ZEND_ARG_INFO(0, string_3)
ZEND_ARG_INFO(0, string_4)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_Length, 0, 0, 1)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(AI_Integer, 0, 0, 1)
ZEND_ARG_INFO(0, integer)
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_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)
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_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()
#ifndef PHP_FE_END
# define PHP_FE_END { NULL, NULL, NULL }
#endif
#if defined(HAVE_CRYPTO_AEAD_AES256GCM) && defined(crypto_aead_aes256gcm_KEYBYTES) && \
(defined(__amd64) || defined(__amd64__) || defined(__x86_64__) || defined(__i386__) || \
defined(_M_AMD64) || defined(_M_IX86))
# define HAVE_AESGCM 1
#endif
const zend_function_entry libsodium_functions[] = {
ZEND_NS_NAMED_FE("Sodium", crypto_aead_aes256gcm_is_available, ZEND_FN(crypto_aead_aes256gcm_is_available), AI_None)
#ifdef HAVE_AESGCM
ZEND_NS_NAMED_FE("Sodium", crypto_aead_aes256gcm_decrypt, ZEND_FN(crypto_aead_aes256gcm_decrypt), AI_StringAndADAndNonceAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_aead_aes256gcm_encrypt, ZEND_FN(crypto_aead_aes256gcm_encrypt), AI_StringAndADAndNonceAndKey)
#endif
ZEND_NS_NAMED_FE("Sodium", crypto_aead_chacha20poly1305_decrypt, ZEND_FN(crypto_aead_chacha20poly1305_decrypt), AI_StringAndADAndNonceAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_aead_chacha20poly1305_encrypt, ZEND_FN(crypto_aead_chacha20poly1305_encrypt), AI_StringAndADAndNonceAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_auth, ZEND_FN(crypto_auth), AI_StringAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_auth_verify, ZEND_FN(crypto_auth_verify), AI_SignatureAndStringAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_box, ZEND_FN(crypto_box), AI_StringAndNonceAndKeyPair)
ZEND_NS_NAMED_FE("Sodium", crypto_box_keypair, ZEND_FN(crypto_box_keypair), AI_None)
ZEND_NS_NAMED_FE("Sodium", crypto_box_seed_keypair, ZEND_FN(crypto_box_seed_keypair), AI_Key)
ZEND_NS_NAMED_FE("Sodium", crypto_box_keypair_from_secretkey_and_publickey, ZEND_FN(crypto_box_keypair_from_secretkey_and_publickey), AI_SecretKeyAndPublicKey)
ZEND_NS_NAMED_FE("Sodium", crypto_box_open, ZEND_FN(crypto_box_open), AI_StringAndNonceAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_box_publickey, ZEND_FN(crypto_box_publickey), AI_Key)
ZEND_NS_NAMED_FE("Sodium", crypto_box_publickey_from_secretkey, ZEND_FN(crypto_box_publickey_from_secretkey), AI_Key)
#if SODIUM_LIBRARY_VERSION_MAJOR > 7 || \
(SODIUM_LIBRARY_VERSION_MAJOR == 7 && SODIUM_LIBRARY_VERSION_MINOR >= 5)
ZEND_NS_NAMED_FE("Sodium", crypto_box_seal, ZEND_FN(crypto_box_seal), AI_StringAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_box_seal_open, ZEND_FN(crypto_box_seal_open), AI_StringAndKey)
#endif
ZEND_NS_NAMED_FE("Sodium", crypto_box_secretkey, ZEND_FN(crypto_box_secretkey), AI_Key)
ZEND_NS_NAMED_FE("Sodium", crypto_kx, ZEND_FN(crypto_kx), AI_FourStrings)
ZEND_NS_NAMED_FE("Sodium", crypto_generichash, ZEND_FN(crypto_generichash), AI_StringAndMaybeKeyAndLength)
ZEND_NS_NAMED_FE("Sodium", crypto_generichash_init, ZEND_FN(crypto_generichash_init), AI_MaybeKeyAndLength)
ZEND_NS_NAMED_FE("Sodium", crypto_generichash_update, ZEND_FN(crypto_generichash_update), AI_StateByReferenceAndString)
ZEND_NS_NAMED_FE("Sodium", crypto_generichash_final, ZEND_FN(crypto_generichash_final), AI_StateByReferenceAndMaybeLength)
#if SODIUM_LIBRARY_VERSION_MAJOR > 9 || \
(SODIUM_LIBRARY_VERSION_MAJOR == 9 && SODIUM_LIBRARY_VERSION_MINOR >= 1)
ZEND_NS_NAMED_FE("Sodium", crypto_pwhash, ZEND_FN(crypto_pwhash), AI_LengthAndPasswordAndSaltAndOpsLimitAndMemLimit)
ZEND_NS_NAMED_FE("Sodium", crypto_pwhash_str, ZEND_FN(crypto_pwhash_str), AI_PasswordAndOpsLimitAndMemLimit)
ZEND_NS_NAMED_FE("Sodium", crypto_pwhash_str_verify, ZEND_FN(crypto_pwhash_str_verify), AI_HashAndPassword)
#endif
ZEND_NS_NAMED_FE("Sodium", crypto_pwhash_scryptsalsa208sha256, ZEND_FN(crypto_pwhash_scryptsalsa208sha256), AI_LengthAndPasswordAndSaltAndOpsLimitAndMemLimit)
ZEND_NS_NAMED_FE("Sodium", crypto_pwhash_scryptsalsa208sha256_str, ZEND_FN(crypto_pwhash_scryptsalsa208sha256_str), AI_PasswordAndOpsLimitAndMemLimit)
ZEND_NS_NAMED_FE("Sodium", crypto_pwhash_scryptsalsa208sha256_str_verify, ZEND_FN(crypto_pwhash_scryptsalsa208sha256_str_verify), AI_HashAndPassword)
ZEND_NS_NAMED_FE("Sodium", crypto_scalarmult, ZEND_FN(crypto_scalarmult), AI_TwoStrings)
ZEND_NS_NAMED_FE("Sodium", crypto_secretbox, ZEND_FN(crypto_secretbox), AI_StringAndNonceAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_secretbox_open, ZEND_FN(crypto_secretbox_open), AI_StringAndNonceAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_shorthash, ZEND_FN(crypto_shorthash), AI_StringAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_sign, ZEND_FN(crypto_sign), AI_StringAndKeyPair)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_detached, ZEND_FN(crypto_sign_detached), AI_StringAndKeyPair)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_ed25519_pk_to_curve25519, ZEND_FN(crypto_sign_ed25519_pk_to_curve25519), AI_Key)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_ed25519_sk_to_curve25519, ZEND_FN(crypto_sign_ed25519_sk_to_curve25519), AI_Key)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_keypair, ZEND_FN(crypto_sign_keypair), AI_None)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_keypair_from_secretkey_and_publickey, ZEND_FN(crypto_sign_keypair_from_secretkey_and_publickey), AI_SecretKeyAndPublicKey)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_open, ZEND_FN(crypto_sign_open), AI_StringAndKeyPair)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_publickey, ZEND_FN(crypto_sign_publickey), AI_Key)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_secretkey, ZEND_FN(crypto_sign_secretkey), AI_Key)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_publickey_from_secretkey, ZEND_FN(crypto_sign_publickey_from_secretkey), AI_Key)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_seed_keypair, ZEND_FN(crypto_sign_seed_keypair), AI_Key)
ZEND_NS_NAMED_FE("Sodium", crypto_sign_verify_detached, ZEND_FN(crypto_sign_verify_detached), AI_SignatureAndStringAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_stream, ZEND_FN(crypto_stream), AI_LengthAndNonceAndKey)
ZEND_NS_NAMED_FE("Sodium", crypto_stream_xor, ZEND_FN(crypto_stream_xor), AI_StringAndNonceAndKey)
ZEND_NS_NAMED_FE("Sodium", randombytes_buf, ZEND_FN(randombytes_buf), AI_Length)
ZEND_NS_NAMED_FE("Sodium", randombytes_random16, ZEND_FN(randombytes_random16), AI_None)
ZEND_NS_NAMED_FE("Sodium", randombytes_uniform, ZEND_FN(randombytes_uniform), AI_Integer)
ZEND_NS_NAMED_FE("Sodium", bin2hex, ZEND_FN(sodium_bin2hex), AI_String)
#if SODIUM_LIBRARY_VERSION_MAJOR > 7 || \
(SODIUM_LIBRARY_VERSION_MAJOR == 7 && SODIUM_LIBRARY_VERSION_MINOR >= 6)
ZEND_NS_NAMED_FE("Sodium", compare, ZEND_FN(sodium_compare), AI_String)
#endif
ZEND_NS_NAMED_FE("Sodium", hex2bin, ZEND_FN(sodium_hex2bin), AI_TwoStrings)
ZEND_NS_NAMED_FE("Sodium", increment, ZEND_FN(sodium_increment), AI_String)
ZEND_NS_NAMED_FE("Sodium", add, ZEND_FN(sodium_add), AI_TwoStrings)
ZEND_NS_NAMED_FE("Sodium", library_version_major, ZEND_FN(sodium_library_version_major), AI_None)
ZEND_NS_NAMED_FE("Sodium", library_version_minor, ZEND_FN(sodium_library_version_minor), AI_None)
ZEND_NS_NAMED_FE("Sodium", memcmp, ZEND_FN(sodium_memcmp), AI_TwoStrings)
ZEND_NS_NAMED_FE("Sodium", memzero, ZEND_FN(sodium_memzero), AI_FirstArgByReferenceSecondLength)
ZEND_NS_NAMED_FE("Sodium", version_string, ZEND_FN(sodium_version_string), AI_None)
ZEND_NS_FALIAS("Sodium", crypto_scalarmult_base, crypto_box_publickey_from_secretkey, AI_TwoStrings)
PHP_FE_END
};
zend_module_entry libsodium_module_entry = {
#if ZEND_MODULE_API_NO >= 20010901
STANDARD_MODULE_HEADER,
#endif
"libsodium",
libsodium_functions,
PHP_MINIT(libsodium),
PHP_MSHUTDOWN(libsodium),
NULL,
NULL,
PHP_MINFO(libsodium),
#if ZEND_MODULE_API_NO >= 20010901
PHP_LIBSODIUM_VERSION,
#endif
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_LIBSODIUM
ZEND_GET_MODULE(libsodium)
#endif
PHP_MINIT_FUNCTION(libsodium)
{
if (sodium_init() != 0) {
zend_error(E_ERROR, "sodium_init()");
}
#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_AUTH_BYTES",
crypto_auth_BYTES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("Sodium\\CRYPTO_AUTH_KEYBYTES",
crypto_auth_KEYBYTES, CONST_CS | CONST_PERSISTENT);
#ifdef crypto_box_SEALBYTES
REGISTER_LONG_CONSTANT("Sodium\\CRYPTO_BOX_SEALBYTES",
crypto_box_SEALBYTES, CONST_CS | CONST_PERSISTENT);
#endif
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);
REGISTER_LONG_CONSTANT("Sodium\\CRYPTO_KX_BYTES",
crypto_kx_BYTES, 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_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);
#if SODIUM_LIBRARY_VERSION_MAJOR > 9 || \
(SODIUM_LIBRARY_VERSION_MAJOR == 9 && SODIUM_LIBRARY_VERSION_MINOR >= 1)
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_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
REGISTER_LONG_CONSTANT("Sodium\\CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES",
crypto_pwhash_scryptsalsa208sha256_SALTBYTES, CONST_CS | CONST_PERSISTENT);
#ifndef crypto_pwhash_scryptsalsa208sha256_STRPREFIX
# define crypto_pwhash_scryptsalsa208sha256_STRPREFIX "$7$"
#endif
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);
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);
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(libsodium)
{
return SUCCESS;
}
PHP_MINFO_FUNCTION(libsodium)
{
php_info_print_table_start();
php_info_print_table_header(2, "libsodium support", "enabled");
php_info_print_table_header(2, "libsodium headers version", SODIUM_VERSION_STRING);
php_info_print_table_header(2, "libsodium library version", sodium_version_string());
php_info_print_table_end();
}
PHP_FUNCTION(sodium_version_string)
{
RETURN_STRING(sodium_version_string());
}
PHP_FUNCTION(sodium_library_version_major)
{
RETURN_LONG(sodium_library_version_major());
}
PHP_FUNCTION(sodium_library_version_minor)
{
RETURN_LONG(sodium_library_version_minor());
}
PHP_FUNCTION(sodium_memzero)
{
zval *buf_zv;
char *buf;
strsize_t buf_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
"z", &buf_zv) == FAILURE) {
return;
}
ZVAL_DEREF(buf_zv);
if (Z_TYPE_P(buf_zv) != IS_STRING) {
zend_error(E_ERROR, "memzero: a PHP string is required");
}
if (HAS_MORE_REFS(buf_zv)) {
convert_to_null(buf_zv);
return;
}
buf = Z_STRVAL(*buf_zv);
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;
strsize_t i;
strsize_t val_len;
unsigned int c;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
"z", &val_zv) == FAILURE) {
return;
}
ZVAL_DEREF(val_zv);
if (IS_IMMUTABLE(val_zv)) {
return;
}
if (Z_TYPE_P(val_zv) != IS_STRING) {
zend_error(E_ERROR, "increment(): a PHP string is required");
}
val = (unsigned char *) Z_STRVAL(*val_zv);
val_len = Z_STRLEN(*val_zv);
c = 1U << 8;
for (i = (strsize_t) 0U; i < val_len; i++) {
c >>= 8;
c += val[i];
val[i] = (unsigned char) c;
}
}
PHP_FUNCTION(sodium_add)
{
zval *val_zv;
unsigned char *val;
unsigned char *addv;
strsize_t i;
strsize_t val_len;
strsize_t addv_len;
unsigned int c;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
"zs", &val_zv, &addv, &addv_len) == FAILURE) {
return;
}
ZVAL_DEREF(val_zv);
if (IS_IMMUTABLE(val_zv)) {
return;
}
if (Z_TYPE_P(val_zv) != IS_STRING) {
zend_error(E_ERROR, "add(): PHP strings are required");
}
val = (unsigned char *) Z_STRVAL(*val_zv);
val_len = Z_STRLEN(*val_zv);
if (val_len != addv_len) {
zend_error(E_ERROR, "add(): values must have the same length");
}
c = 0U;
for (i = (strsize_t) 0U; i < val_len; i++) {
c += val[i] + addv[i];
val[i] = (unsigned char) c;
c >>= 8;
}
}
PHP_FUNCTION(sodium_memcmp)
{
char *buf1;
char *buf2;
strsize_t len1;
strsize_t len2;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss",
&buf1, &len1,
&buf2, &len2) == FAILURE) {
return;
}
if (len1 != len2) {
RETURN_LONG(-1);
} else if (len1 > SIZE_MAX) {
zend_error(E_ERROR, "memcmp(): invalid length");
} else {
RETURN_LONG(sodium_memcmp(buf1, buf2, (size_t) len1));
}
}
PHP_FUNCTION(randombytes_buf)
{
zend_string *buf;
zend_long len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l",
&len) == FAILURE ||
len <= 0 || len >= STRSIZE_MAX) {
zend_error(E_ERROR, "randombytes_buf(): invalid length");
}
buf = zend_string_alloc((size_t) len, 0);
randombytes_buf(ZSTR_VAL(buf), (size_t) ZSTR_LEN(buf));
ZSTR_VAL(buf)[len] = 0;
RETURN_STR(buf);
}
PHP_FUNCTION(randombytes_random16)
{
RETURN_LONG((zend_long) (randombytes_random() & (uint32_t) 0xffff));
}
PHP_FUNCTION(randombytes_uniform)
{
zend_long upper_bound;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l",
&upper_bound) == FAILURE ||
upper_bound <= 0 || upper_bound > INT32_MAX) {
zend_error(E_ERROR, "randombytes_uniform(): invalid upper bound");
}
RETURN_LONG((zend_long) randombytes_uniform((uint32_t) upper_bound));
}
PHP_FUNCTION(crypto_shorthash)
{
zend_string *hash;
unsigned char *key;
unsigned char *msg;
strsize_t key_len;
strsize_t msg_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss",
&msg, &msg_len,
&key, &key_len) == FAILURE) {
return;
}
if (key_len != crypto_shorthash_KEYBYTES) {
zend_error(E_ERROR,
"crypto_shorthash(): key size should be "
"CRYPTO_SHORTHASH_KEYBYTES bytes");
}
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_error(E_ERROR, "crypto_shorthash()");
}
ZSTR_VAL(hash)[crypto_shorthash_BYTES] = 0;
RETURN_STR(hash);
}
PHP_FUNCTION(crypto_secretbox)
{
zend_string *ciphertext;
unsigned char *key;
unsigned char *msg;
unsigned char *nonce;
strsize_t key_len;
strsize_t msg_len;
strsize_t nonce_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sss",
&msg, &msg_len,
&nonce, &nonce_len,
&key, &key_len) == FAILURE) {
return;
}
if (nonce_len != crypto_secretbox_NONCEBYTES) {
zend_error(E_ERROR,
"crypto_secretbox(): nonce size should be "
"CRYPTO_SECRETBOX_NONCEBYTES bytes");
}
if (key_len != crypto_secretbox_KEYBYTES) {
zend_error(E_ERROR,
"crypto_secretbox(): key size should be "
"CRYPTO_SECRETBOX_KEYBYTES bytes");
}
if (STRSIZE_MAX - msg_len <= crypto_secretbox_MACBYTES) {
zend_error(E_ERROR, "arithmetic overflow");
}
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_error(E_ERROR, "crypto_secretbox()");
}
ZSTR_VAL(ciphertext)[msg_len + crypto_secretbox_MACBYTES] = 0;
RETURN_STR(ciphertext);
}
PHP_FUNCTION(crypto_secretbox_open)
{
zend_string *msg;
unsigned char *key;
unsigned char *ciphertext;
unsigned char *nonce;
strsize_t key_len;
strsize_t ciphertext_len;
strsize_t nonce_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sss",
&ciphertext, &ciphertext_len,
&nonce, &nonce_len,
&key, &key_len) == FAILURE) {
return;
}
if (nonce_len != crypto_secretbox_NONCEBYTES) {
zend_error(E_ERROR,
"crypto_secretbox_open(): nonce size should be "
"CRYPTO_SECRETBOX_NONCEBYTES bytes");
}
if (key_len != crypto_secretbox_KEYBYTES) {
zend_error(E_ERROR,
"crypto_secretbox_open(): key size should be "
"CRYPTO_SECRETBOX_KEYBYTES bytes");
}
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(crypto_generichash)
{
zend_string *hash;
unsigned char *key = NULL;
unsigned char *msg;
zend_long hash_len = crypto_generichash_BYTES;
strsize_t key_len = 0;
strsize_t msg_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|sl",
&msg, &msg_len,
&key, &key_len,
&hash_len) == FAILURE) {
return;
}
if (hash_len < crypto_generichash_BYTES_MIN ||
hash_len > crypto_generichash_BYTES_MAX) {
zend_error(E_ERROR, "crypto_generichash(): unsupported output length");
}
if (key_len != 0 &&
(key_len < crypto_generichash_KEYBYTES_MIN ||
key_len > crypto_generichash_KEYBYTES_MAX)) {
zend_error(E_ERROR, "crypto_generichash(): unsupported key length");
}
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_error(E_ERROR, "crypto_generichash()");
}
ZSTR_VAL(hash)[hash_len] = 0;
RETURN_STR(hash);
}
PHP_FUNCTION(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;
strsize_t key_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sl",
&key, &key_len,
&hash_len) == FAILURE) {
return;
}
if (hash_len < crypto_generichash_BYTES_MIN ||
hash_len > crypto_generichash_BYTES_MAX) {
zend_error(E_ERROR, "crypto_generichash_init(): unsupported output length");
}
if (key_len != 0 &&
(key_len < crypto_generichash_KEYBYTES_MIN ||
key_len > crypto_generichash_KEYBYTES_MAX)) {
zend_error(E_ERROR, "crypto_generichash_init(): unsupported key length");
}
if (crypto_generichash_init((void *) &state_tmp, key, (size_t) key_len,
(size_t) hash_len) != 0) {
zend_error(E_ERROR, "crypto_generichash_init()");
}
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(crypto_generichash_update)
{
crypto_generichash_state state_tmp;
zval *state_zv;
unsigned char *msg;
unsigned char *state;
strsize_t msg_len;
strsize_t state_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs",
&state_zv, &msg, &msg_len) == FAILURE) {
return;
}
ZVAL_DEREF(state_zv);
if (Z_TYPE_P(state_zv) != IS_STRING) {
zend_error(E_ERROR, "crypto_generichash_update: a reference to a state is required");
}
state = (unsigned char *) Z_STRVAL(*state_zv);
state_len = Z_STRLEN(*state_zv);
if (state_len != sizeof (crypto_generichash_state)) {
zend_error(E_ERROR, "crypto_generichash_update(): incorrect state length");
}
memcpy(&state_tmp, state, sizeof state_tmp);
if (crypto_generichash_update((void *) &state_tmp, msg,
(unsigned long long) msg_len) != 0) {
zend_error(E_ERROR, "crypto_generichash_update()");
}
memcpy(state, &state_tmp, state_len);
sodium_memzero(&state_tmp, sizeof state_tmp);
RETURN_TRUE;
}
PHP_FUNCTION(crypto_generichash_final)
{
crypto_generichash_state state_tmp;
zend_string *hash;
zval *state_zv;
unsigned char *state;
strsize_t state_len;
zend_long hash_len = crypto_generichash_BYTES;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|l",
&state_zv, &hash_len) == FAILURE) {
return;
}
ZVAL_DEREF(state_zv);
if (Z_TYPE_P(state_zv) != IS_STRING) {
zend_error(E_ERROR, "crypto_generichash_final: a reference to a state is required");
}
state = (unsigned char *) Z_STRVAL(*state_zv);
state_len = Z_STRLEN(*state_zv);
if (state_len != sizeof (crypto_generichash_state)) {
zend_error(E_ERROR, "crypto_generichash_final(): incorrect state length");
}
if (hash_len < crypto_generichash_BYTES_MIN ||
hash_len > crypto_generichash_BYTES_MAX) {
zend_error(E_ERROR, "crypto_generichash_final(): unsupported output length");
}
hash = zend_string_alloc(hash_len, 0);
memcpy(&state_tmp, state, sizeof state_tmp);
if (crypto_generichash_final((void *) &state_tmp,
(unsigned char *) ZSTR_VAL(hash),
(size_t) hash_len) != 0) {
zend_string_free(hash);
zend_error(E_ERROR, "crypto_generichash_final()");
}
sodium_memzero(state, state_len);
convert_to_null(state_zv);
ZSTR_VAL(hash)[hash_len] = 0;
RETURN_STR(hash);
}
PHP_FUNCTION(crypto_box_keypair)
{
zend_string *keypair;
size_t keypair_len;
keypair_len = crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES;
keypair = zend_string_alloc(keypair_len, 0);
if (crypto_box_keypair((unsigned char *) ZSTR_VAL(keypair) +
crypto_box_SECRETKEYBYTES,
(unsigned char *) ZSTR_VAL(keypair)) != 0) {
zend_string_free(keypair);
zend_error(E_ERROR, "crypto_box_keypair()");
}
ZSTR_VAL(keypair)[keypair_len] = 0;
RETURN_STR(keypair);
}
PHP_FUNCTION(crypto_box_seed_keypair)
{
zend_string *keypair;
unsigned char *seed;
size_t keypair_len;
strsize_t seed_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s",
&seed, &seed_len) == FAILURE) {
return;
}
if (seed_len != crypto_box_SEEDBYTES) {
zend_error(E_ERROR,
"crypto_box_seed_keypair(): "
"seed should be crypto_box_SEEDBYTES long");
}
keypair_len = crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES;
keypair = zend_string_alloc(keypair_len, 0);
if (crypto_box_seed_keypair((unsigned char *) ZSTR_VAL(keypair) +
crypto_box_SECRETKEYBYTES,
(unsigned char *) ZSTR_VAL(keypair),
seed) != 0) {
zend_string_free(keypair);
zend_error(E_ERROR, "crypto_box_seed_keypair()");
}
ZSTR_VAL(keypair)[keypair_len] = 0;
RETURN_STR(keypair);
}
PHP_FUNCTION(crypto_box_keypair_from_secretkey_and_publickey)
{
zend_string *keypair;
char *publickey;
char *secretkey;
size_t keypair_len;
strsize_t publickey_len;
strsize_t secretkey_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss",
&secretkey, &secretkey_len,
&publickey, &publickey_len) == FAILURE) {
return;
}
if (secretkey_len != crypto_box_SECRETKEYBYTES) {
zend_error(E_ERROR,
"crypto_box_keypair_from_secretkey_and_publickey(): "
"secretkey should be CRYPTO_BOX_SECRETKEYBYTES long");
}
if (publickey_len != crypto_box_PUBLICKEYBYTES) {
zend_error(E_ERROR,
"crypto_box_keypair_from_secretkey_and_publickey(): "
"publickey should be CRYPTO_BOX_PUBLICKEYBYTES long");
}
keypair_len = crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES;
keypair = zend_string_alloc(keypair_len, 0);
memcpy(ZSTR_VAL(keypair), secretkey, crypto_box_SECRETKEYBYTES);
memcpy(ZSTR_VAL(keypair) + crypto_box_SECRETKEYBYTES, publickey,
crypto_box_PUBLICKEYBYTES);
ZSTR_VAL(keypair)[keypair_len] = 0;
RETURN_STR(keypair);
}
PHP_FUNCTION(crypto_box_secretkey)
{
zend_string *secretkey;
unsigned char *keypair;
strsize_t keypair_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s",
&keypair, &keypair_len) == FAILURE) {
return;
}
if (keypair_len !=
crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES) {
zend_error(E_ERROR,
"crypto_box_secretkey(): keypair should be "
"CRYPTO_BOX_KEYPAIRBYTES long");
}
secretkey = zend_string_alloc(crypto_box_SECRETKEYBYTES, 0);
memcpy(ZSTR_VAL(secretkey), keypair, crypto_box_SECRETKEYBYTES);
ZSTR_VAL(secretkey)[crypto_box_SECRETKEYBYTES] = 0;
RETURN_STR(secretkey);
}
PHP_FUNCTION(crypto_box_publickey)
{
zend_string *publickey;
unsigned char *keypair;
strsize_t keypair_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s",
&keypair, &keypair_len) == FAILURE) {
return;
}
if (keypair_len !=
crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES) {
zend_error(E_ERROR,
"crypto_box_publickey(): keypair should be "
"CRYPTO_BOX_KEYPAIRBYTES long");
}
publickey = zend_string_alloc(crypto_box_PUBLICKEYBYTES, 0);
memcpy(ZSTR_VAL(publickey), keypair + crypto_box_SECRETKEYBYTES,
crypto_box_PUBLICKEYBYTES);
ZSTR_VAL(publickey)[crypto_box_PUBLICKEYBYTES] = 0;
RETURN_STR(publickey);
}
PHP_FUNCTION(crypto_box_publickey_from_secretkey)
{
zend_string *publickey;
unsigned char *secretkey;
strsize_t secretkey_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s",
&secretkey, &secretkey_len) == FAILURE) {
return;
}
if (secretkey_len != crypto_box_SECRETKEYBYTES) {
zend_error(E_ERROR,
"crypto_box_publickey_from_secretkey(): key should be "
"CRYPTO_BOX_SECRETKEYBYTES long");
}
publickey = zend_string_alloc(crypto_box_PUBLICKEYBYTES, 0);
(void) sizeof(int[crypto_scalarmult_BYTES ==
crypto_box_PUBLICKEYBYTES ? 1 : -1]);
(void) sizeof(int[crypto_scalarmult_SCALARBYTES ==
crypto_box_SECRETKEYBYTES ? 1 : -1]);
crypto_scalarmult_base((unsigned char *) ZSTR_VAL(publickey), secretkey);
ZSTR_VAL(publickey)[crypto_box_PUBLICKEYBYTES] = 0;
RETURN_STR(publickey);
}
PHP_FUNCTION(crypto_box)
{
zend_string *ciphertext;
unsigned char *keypair;
unsigned char *msg;
unsigned char *nonce;
unsigned char *publickey;
unsigned char *secretkey;
strsize_t keypair_len;
strsize_t msg_len;
strsize_t nonce_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sss",
&msg, &msg_len,
&nonce, &nonce_len,
&keypair, &keypair_len) == FAILURE) {
return;
}
if (nonce_len != crypto_box_NONCEBYTES) {
zend_error(E_ERROR,
"crypto_box(): nonce size should be "
"CRYPTO_BOX_NONCEBYTES bytes");
}
if (keypair_len != crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES) {
zend_error(E_ERROR,
"crypto_box(): keypair size should be "
"CRYPTO_BOX_KEYPAIRBYTES bytes");
}
secretkey = keypair;
publickey = keypair + crypto_box_SECRETKEYBYTES;
if (STRSIZE_MAX - msg_len <= crypto_box_MACBYTES) {
zend_error(E_ERROR, "arithmetic overflow");
}
ciphertext = zend_string_alloc((size_t) msg_len + crypto_box_MACBYTES, 0);