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binding.c
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binding.c
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#include <node_api.h>
#include <uv.h>
#include <string.h>
#include <sodium.h>
#include "macros.h"
#include "modules/crypto_tweak/tweak.h"
static uint8_t typedarray_width (napi_typedarray_type type) {
switch (type) {
case napi_int8_array: return 1;
case napi_uint8_array: return 1;
case napi_uint8_clamped_array: return 1;
case napi_int16_array: return 2;
case napi_uint16_array: return 2;
case napi_int32_array: return 4;
case napi_uint32_array: return 4;
case napi_float32_array: return 4;
case napi_float64_array: return 8;
case napi_bigint64_array: return 8;
case napi_biguint64_array: return 8;
default: return 0;
}
}
static void sn_sodium_free_finalise (napi_env env, void *finalise_data, void *finalise_hint) {
napi_adjust_external_memory(env, -4 * 4096, NULL);
sodium_free(finalise_data);
}
napi_value sn_sodium_memzero (napi_env env, napi_callback_info info) {
SN_ARGV(1, sodium_memzero)
SN_ARGV_TYPEDARRAY(buf, 0)
sodium_memzero(buf_data, buf_size);
return NULL;
}
napi_value sn_sodium_mlock (napi_env env, napi_callback_info info) {
SN_ARGV(1, sodium_mlock)
SN_ARGV_TYPEDARRAY(buf, 0)
SN_RETURN(sodium_mlock(buf_data, buf_size), "memory lock failed")
}
napi_value sn_sodium_munlock (napi_env env, napi_callback_info info) {
SN_ARGV(1, sodium_munlock)
SN_ARGV_TYPEDARRAY(buf, 0)
SN_RETURN(sodium_munlock(buf_data, buf_size), "memory unlock failed")
}
napi_value sn_sodium_free (napi_env env, napi_callback_info info) {
SN_ARGV(1, sodium_free)
SN_ARGV_TYPEDARRAY_PTR(buf, 0)
if (buf_data == NULL) return NULL;
napi_value array_buf;
SN_STATUS_THROWS(napi_get_named_property(env, argv[0], "buffer", &array_buf), "failed to get arraybuffer");
SN_STATUS_THROWS(napi_remove_wrap(env, array_buf, NULL), "failed to remove wrap"); // remove the finalizer
SN_STATUS_THROWS(napi_detach_arraybuffer(env, array_buf), "failed to detach array buffer");
napi_adjust_external_memory(env, -4 * 4096, NULL);
sodium_free(buf_data);
return NULL;
}
napi_value sn_sodium_malloc (napi_env env, napi_callback_info info) {
SN_ARGV(1, sodium_malloc);
SN_ARGV_UINT32(size, 0)
void *ptr = sodium_malloc(size);
SN_THROWS(ptr == NULL, "ENOMEM")
napi_adjust_external_memory(env, 4 * 4096, NULL);
SN_THROWS(ptr == NULL, "sodium_malloc failed");
napi_value buf, value, array_buf;
SN_STATUS_THROWS(napi_create_external_buffer(env, size, ptr, NULL, NULL, &buf), "failed to create a n-api buffer")
SN_STATUS_THROWS(napi_get_boolean(env, true, &value), "failed to create boolean")
SN_STATUS_THROWS(napi_get_named_property(env, buf, "buffer", &array_buf), "failed to get arraybuffer")
SN_STATUS_THROWS(napi_set_named_property(env, buf, "secure", value), "failed to set secure property")
SN_STATUS_THROWS(napi_wrap(env, array_buf, ptr, sn_sodium_free_finalise, NULL, NULL), "failed to wrap")
return buf;
}
napi_value sn_sodium_mprotect_noaccess (napi_env env, napi_callback_info info) {
SN_ARGV(1, sodium_mprotect_noaccess);
SN_ARGV_TYPEDARRAY_PTR(buf, 0)
SN_RETURN(sodium_mprotect_noaccess(buf_data), "failed to lock buffer")
}
napi_value sn_sodium_mprotect_readonly (napi_env env, napi_callback_info info) {
SN_ARGV(1, sodium_readonly);
SN_ARGV_TYPEDARRAY_PTR(buf, 0)
SN_RETURN(sodium_mprotect_readonly(buf_data), "failed to unlock buffer")
}
napi_value sn_sodium_mprotect_readwrite (napi_env env, napi_callback_info info) {
SN_ARGV(1, sodium_readwrite);
SN_ARGV_TYPEDARRAY_PTR(buf, 0)
SN_RETURN(sodium_mprotect_readwrite(buf_data), "failed to unlock buffer")
}
napi_value sn_randombytes_random (napi_env env, napi_callback_info info) {
napi_value result;
napi_create_uint32(env, randombytes_random(), &result);
return result;
}
napi_value sn_randombytes_uniform (napi_env env, napi_callback_info info) {
SN_ARGV(1, randombytes_uniform);
SN_ARGV_UINT32(upper_bound, 0)
napi_value result;
napi_create_uint32(env, randombytes_uniform(upper_bound), &result);
return result;
}
napi_value sn_randombytes_buf (napi_env env, napi_callback_info info) {
SN_ARGV(1, randombytes_buf)
SN_ARGV_TYPEDARRAY(buf, 0)
randombytes_buf(buf_data, buf_size);
return NULL;
}
napi_value sn_randombytes_buf_deterministic (napi_env env, napi_callback_info info) {
SN_ARGV(2, randombytes_buf)
SN_ARGV_TYPEDARRAY(buf, 0)
SN_ARGV_TYPEDARRAY(seed, 1)
SN_ASSERT_LENGTH(seed_size, randombytes_SEEDBYTES, "seed")
randombytes_buf_deterministic(buf_data, buf_size, seed_data);
return NULL;
}
napi_value sn_sodium_memcmp(napi_env env, napi_callback_info info) {
SN_ARGV(2, sodium_memcmp);
SN_ARGV_TYPEDARRAY(b1, 0)
SN_ARGV_TYPEDARRAY(b2, 1)
SN_THROWS(b1_size != b2_size, "buffers must be of same length")
SN_RETURN_BOOLEAN(sodium_memcmp(b1_data, b2_data, b1_size))
}
napi_value sn_sodium_increment(napi_env env, napi_callback_info info) {
SN_ARGV(1, sodium_increment);
SN_ARGV_TYPEDARRAY(n, 0)
sodium_increment(n_data, n_size);
return NULL;
}
napi_value sn_sodium_add(napi_env env, napi_callback_info info) {
SN_ARGV(2, sodium_add);
SN_ARGV_TYPEDARRAY(a, 0)
SN_ARGV_TYPEDARRAY(b, 1)
SN_THROWS(a_size != b_size, "buffers must be of same length")
sodium_add(a_data, b_data, a_size);
return NULL;
}
napi_value sn_sodium_sub(napi_env env, napi_callback_info info) {
SN_ARGV(2, sodium_sub);
SN_ARGV_TYPEDARRAY(a, 0)
SN_ARGV_TYPEDARRAY(b, 1)
SN_THROWS(a_size != b_size, "buffers must be of same length")
sodium_sub(a_data, b_data, a_size);
return NULL;
}
napi_value sn_sodium_compare(napi_env env, napi_callback_info info) {
SN_ARGV(2, sodium_compare);
SN_ARGV_TYPEDARRAY(a, 0)
SN_ARGV_TYPEDARRAY(b, 1)
SN_THROWS(a_size != b_size, "buffers must be of same length")
int cmp = sodium_compare(a_data, b_data, a_size);
napi_value result;
napi_create_int32(env, cmp, &result);
return result;
}
napi_value sn_sodium_is_zero(napi_env env, napi_callback_info info) {
SN_ARGV_OPTS(1, 2, sodium_is_zero);
SN_ARGV_TYPEDARRAY(a, 0)
size_t a_full = a_size;
if (argc == 2) {
SN_OPT_ARGV_UINT32(a_size, 1)
SN_THROWS(a_size > a_full, "len must be shorter than 'buf.byteLength'")
}
SN_RETURN_BOOLEAN_FROM_1(sodium_is_zero(a_data, a_size))
}
napi_value sn_sodium_pad(napi_env env, napi_callback_info info) {
SN_ARGV(3, sodium_pad);
SN_ARGV_TYPEDARRAY(buf, 0)
SN_ARGV_UINT32(unpadded_buflen, 1)
SN_ARGV_UINT32(blocksize, 2)
SN_THROWS(unpadded_buflen > buf_size, "unpadded length cannot exceed buffer length")
SN_THROWS(blocksize > buf_size, "block size cannot exceed buffer length")
SN_THROWS(blocksize < 1, "block sizemust be at least 1 byte")
SN_THROWS(buf_size < unpadded_buflen + (blocksize - (unpadded_buflen % blocksize)), "buf not long enough")
napi_value result;
size_t padded_buflen;
sodium_pad(&padded_buflen, buf_data, unpadded_buflen, blocksize, buf_size);
napi_create_uint32(env, padded_buflen, &result);
return result;
}
napi_value sn_sodium_unpad(napi_env env, napi_callback_info info) {
SN_ARGV(3, sodium_unpad);
SN_ARGV_TYPEDARRAY(buf, 0)
SN_ARGV_UINT32(padded_buflen, 1)
SN_ARGV_UINT32(blocksize, 2)
SN_THROWS(padded_buflen > buf_size, "unpadded length cannot exceed buffer length")
SN_THROWS(blocksize > buf_size, "block size cannot exceed buffer length")
SN_THROWS(blocksize < 1, "block size must be at least 1 byte")
napi_value result;
size_t unpadded_buflen;
sodium_unpad(&unpadded_buflen, buf_data, padded_buflen, blocksize);
napi_create_uint32(env, unpadded_buflen, &result);
return result;
}
napi_value sn_crypto_sign_keypair(napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_sign_keypair)
SN_ARGV_TYPEDARRAY(pk, 0)
SN_ARGV_TYPEDARRAY(sk, 1)
SN_ASSERT_LENGTH(pk_size, crypto_sign_PUBLICKEYBYTES, "pk")
SN_ASSERT_LENGTH(sk_size, crypto_sign_SECRETKEYBYTES, "sk")
SN_RETURN(crypto_sign_keypair(pk_data, sk_data), "keypair generation failed")
}
napi_value sn_crypto_sign_seed_keypair(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_sign_seed_keypair)
SN_ARGV_TYPEDARRAY(pk, 0)
SN_ARGV_TYPEDARRAY(sk, 1)
SN_ARGV_TYPEDARRAY(seed, 2)
SN_ASSERT_LENGTH(pk_size, crypto_sign_PUBLICKEYBYTES, "pk")
SN_ASSERT_LENGTH(sk_size, crypto_sign_SECRETKEYBYTES, "sk")
SN_ASSERT_LENGTH(seed_size, crypto_sign_SEEDBYTES, "seed")
SN_RETURN(crypto_sign_seed_keypair(pk_data, sk_data, seed_data), "keypair generation failed")
}
napi_value sn_crypto_sign(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_sign)
SN_ARGV_TYPEDARRAY(sm, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(sk, 2)
SN_THROWS(sm_size != crypto_sign_BYTES + m_size, "sm must be 'm.byteLength + crypto_sign_BYTES' bytes")
SN_ASSERT_LENGTH(sk_size, crypto_sign_SECRETKEYBYTES, "sk")
SN_RETURN(crypto_sign(sm_data, NULL, m_data, m_size, sk_data), "signature failed")
}
napi_value sn_crypto_sign_open(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_sign_open)
SN_ARGV_TYPEDARRAY(m, 0)
SN_ARGV_TYPEDARRAY(sm, 1)
SN_ARGV_TYPEDARRAY(pk, 2)
SN_THROWS(m_size != sm_size - crypto_sign_BYTES, "m must be 'sm.byteLength - crypto_sign_BYTES' bytes")
SN_ASSERT_MIN_LENGTH(sm_size, crypto_sign_BYTES, "sm")
SN_ASSERT_LENGTH(pk_size, crypto_sign_PUBLICKEYBYTES, "pk")
SN_RETURN_BOOLEAN(crypto_sign_open(m_data, NULL, sm_data, sm_size, pk_data))
}
napi_value sn_crypto_sign_detached(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_sign_detached)
SN_ARGV_TYPEDARRAY(sig, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(sk, 2)
SN_ASSERT_LENGTH(sig_size, crypto_sign_BYTES, "sm")
SN_ASSERT_LENGTH(sk_size, crypto_sign_SECRETKEYBYTES, "sk")
SN_RETURN(crypto_sign_detached(sig_data, NULL, m_data, m_size, sk_data), "signature failed")
}
napi_value sn_crypto_sign_verify_detached(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_sign_verify_detached)
SN_ARGV_TYPEDARRAY(sig, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(pk, 2)
SN_ASSERT_MIN_LENGTH(sig_size, crypto_sign_BYTES, "sig")
SN_ASSERT_LENGTH(pk_size, crypto_sign_PUBLICKEYBYTES, "pk")
SN_RETURN_BOOLEAN(crypto_sign_verify_detached(sig_data, m_data, m_size, pk_data))
}
napi_value sn_crypto_sign_ed25519_sk_to_pk(napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_sign_ed25519_sk_to_pk)
SN_ARGV_TYPEDARRAY(pk, 0)
SN_ARGV_TYPEDARRAY(sk, 1)
SN_ASSERT_LENGTH(pk_size, crypto_sign_PUBLICKEYBYTES, "pk")
SN_ASSERT_LENGTH(sk_size, crypto_sign_SECRETKEYBYTES, "sk")
SN_RETURN(crypto_sign_ed25519_sk_to_pk(pk_data, sk_data), "public key generation failed")
}
napi_value sn_crypto_sign_ed25519_pk_to_curve25519(napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_sign_ed25519_sk_to_pk)
SN_ARGV_TYPEDARRAY(x25519_pk, 0)
SN_ARGV_TYPEDARRAY(ed25519_pk, 1)
SN_ASSERT_LENGTH(x25519_pk_size, crypto_box_PUBLICKEYBYTES, "x25519_pk")
SN_ASSERT_LENGTH(ed25519_pk_size, crypto_sign_PUBLICKEYBYTES, "ed25519_pk")
SN_RETURN(crypto_sign_ed25519_pk_to_curve25519(x25519_pk_data, ed25519_pk_data), "public key conversion failed")
}
napi_value sn_crypto_sign_ed25519_sk_to_curve25519(napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_sign_ed25519_sk_to_pk)
SN_ARGV_TYPEDARRAY(x25519_sk, 0)
SN_ARGV_TYPEDARRAY(ed25519_sk, 1)
SN_ASSERT_LENGTH(x25519_sk_size, crypto_box_SECRETKEYBYTES, "x25519_sk")
SN_THROWS(ed25519_sk_size != crypto_sign_SECRETKEYBYTES && ed25519_sk_size != crypto_box_SECRETKEYBYTES, "ed25519_sk should either be 'crypto_sign_SECRETKEYBYTES' bytes or 'crypto_sign_SECRETKEYBYTES - crypto_sign_PUBLICKEYBYTES' bytes")
SN_RETURN(crypto_sign_ed25519_sk_to_curve25519(x25519_sk_data, ed25519_sk_data), "secret key conversion failed")
}
napi_value sn_crypto_generichash(napi_env env, napi_callback_info info) {
SN_ARGV_OPTS(2, 3, crypto_generichash)
SN_ARGV_TYPEDARRAY(out, 0)
SN_ARGV_TYPEDARRAY(in, 1)
SN_ASSERT_MIN_LENGTH(out_size, crypto_generichash_BYTES_MIN, "out")
SN_ASSERT_MAX_LENGTH(out_size, crypto_generichash_BYTES_MAX, "out")
void *key_data = NULL;
size_t key_size = 0;
if (argc == 3) {
SN_OPT_ARGV_TYPEDARRAY(key, 2)
SN_THROWS(key_size < crypto_generichash_KEYBYTES_MIN, "key")
SN_ASSERT_MIN_LENGTH(key_size, crypto_generichash_KEYBYTES_MIN, "key")
SN_ASSERT_MAX_LENGTH(key_size, crypto_generichash_KEYBYTES_MAX, "key")
}
SN_RETURN(crypto_generichash(out_data, out_size, in_data, in_size, key_data, key_size), "hash failed")
}
napi_value sn_crypto_generichash_batch(napi_env env, napi_callback_info info) {
SN_ARGV_OPTS(2, 3, crypto_generichash)
SN_ARGV_TYPEDARRAY(out, 0)
uint32_t batch_length;
napi_get_array_length(env, argv[1], &batch_length);
SN_ASSERT_MIN_LENGTH(out_size, crypto_generichash_BYTES_MIN, "out")
SN_ASSERT_MAX_LENGTH(out_size, crypto_generichash_BYTES_MAX, "out")
void *key_data = NULL;
size_t key_size = 0;
if (argc == 3) {
SN_OPT_ARGV_TYPEDARRAY(key, 2)
SN_ASSERT_MIN_LENGTH(key_size, crypto_generichash_KEYBYTES_MIN, "key")
SN_ASSERT_MAX_LENGTH(key_size, crypto_generichash_KEYBYTES_MAX, "key")
}
crypto_generichash_state state;
crypto_generichash_init(&state, key_data, key_size, out_size);
for (uint32_t i = 0; i < batch_length; i++) {
napi_value element;
napi_get_element(env, argv[1], i, &element);
SN_TYPEDARRAY_ASSERT(buf, element, "batch element should be passed as a TypedArray")
SN_TYPEDARRAY(buf, element)
crypto_generichash_update(&state, buf_data, buf_size);
}
SN_RETURN(crypto_generichash_final(&state, out_data, out_size), "batch failed")
}
napi_value sn_crypto_generichash_keygen(napi_env env, napi_callback_info info) {
SN_ARGV(1, crypto_generichash_keygen)
SN_ARGV_TYPEDARRAY(key, 0)
SN_ASSERT_LENGTH(key_size, crypto_generichash_KEYBYTES, "key")
crypto_generichash_keygen(key_data);
return NULL;
}
napi_value sn_crypto_generichash_init(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_generichash_init)
SN_ARGV_BUFFER_CAST(crypto_generichash_state *, state, 0)
SN_ARGV_OPTS_TYPEDARRAY(key, 1)
SN_ARGV_UINT32(outlen, 2)
SN_THROWS(state_size != sizeof(crypto_generichash_state), "state must be 'crypto_generichash_STATEBYTES' bytes")
if (key_data != NULL) {
SN_ASSERT_MIN_LENGTH(key_size, crypto_generichash_KEYBYTES_MIN, "key")
SN_ASSERT_MAX_LENGTH(key_size, crypto_generichash_KEYBYTES_MAX, "key")
}
SN_RETURN(crypto_generichash_init(state, key_data, key_size, outlen), "hash failed to initialise")
}
napi_value sn_crypto_generichash_update(napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_generichash_update)
SN_ARGV_BUFFER_CAST(crypto_generichash_state *, state, 0)
SN_ARGV_TYPEDARRAY(in, 1)
SN_THROWS(state_size != sizeof(crypto_generichash_state), "state must be 'crypto_generichash_STATEBYTES' bytes")
SN_RETURN(crypto_generichash_update(state, in_data, in_size), "update failed")
}
napi_value sn_crypto_generichash_final(napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_generichash_final)
SN_ARGV_BUFFER_CAST(crypto_generichash_state *, state, 0)
SN_ARGV_TYPEDARRAY(out, 1)
SN_THROWS(state_size != sizeof(crypto_generichash_state), "state must be 'crypto_generichash_STATEBYTES' bytes")
SN_RETURN(crypto_generichash_final(state, out_data, out_size), "digest failed")
}
napi_value sn_crypto_box_keypair(napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_box_keypair)
SN_ARGV_TYPEDARRAY(pk, 0)
SN_ARGV_TYPEDARRAY(sk, 1)
SN_ASSERT_LENGTH(pk_size, crypto_box_PUBLICKEYBYTES, "pk")
SN_ASSERT_LENGTH(sk_size, crypto_box_SECRETKEYBYTES, "sk")
SN_RETURN(crypto_box_keypair(pk_data, sk_data), "keypair generation failed")
}
napi_value sn_crypto_box_seed_keypair(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_box_seed_keypair)
SN_ARGV_TYPEDARRAY(pk, 0)
SN_ARGV_TYPEDARRAY(sk, 1)
SN_ARGV_TYPEDARRAY(seed, 2)
SN_ASSERT_LENGTH(pk_size, crypto_box_PUBLICKEYBYTES, "pk")
SN_ASSERT_LENGTH(sk_size, crypto_box_SECRETKEYBYTES, "sk")
SN_ASSERT_LENGTH(seed_size, crypto_box_SEEDBYTES, "seed")
SN_RETURN(crypto_box_seed_keypair(pk_data, sk_data, seed_data), "keypair generation failed")
}
napi_value sn_crypto_box_easy(napi_env env, napi_callback_info info) {
SN_ARGV(5, crypto_box_easy)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_TYPEDARRAY(pk, 3)
SN_ARGV_TYPEDARRAY(sk, 4)
SN_THROWS(c_size != m_size + crypto_box_MACBYTES, "c must be 'm.byteLength + crypto_box_MACBYTES' bytes")
SN_ASSERT_LENGTH(n_size, crypto_box_NONCEBYTES, "n")
SN_ASSERT_LENGTH(sk_size, crypto_box_SECRETKEYBYTES, "sk")
SN_ASSERT_LENGTH(pk_size, crypto_box_PUBLICKEYBYTES, "pk")
SN_RETURN(crypto_box_easy(c_data, m_data, m_size, n_data, pk_data, sk_data), "crypto box failed")
}
napi_value sn_crypto_box_open_easy(napi_env env, napi_callback_info info) {
SN_ARGV(5, crypto_box_open_easy)
SN_ARGV_TYPEDARRAY(m, 0)
SN_ARGV_TYPEDARRAY(c, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_TYPEDARRAY(pk, 3)
SN_ARGV_TYPEDARRAY(sk, 4)
SN_THROWS(m_size != c_size - crypto_box_MACBYTES, "m must be 'c.byteLength - crypto_box_MACBYTES' bytes")
SN_ASSERT_MIN_LENGTH(c_size, crypto_box_MACBYTES, "c")
SN_ASSERT_LENGTH(n_size, crypto_box_NONCEBYTES, "n")
SN_ASSERT_LENGTH(sk_size, crypto_box_SECRETKEYBYTES, "sk")
SN_ASSERT_LENGTH(pk_size, crypto_box_PUBLICKEYBYTES, "pk")
SN_RETURN_BOOLEAN(crypto_box_open_easy(m_data, c_data, c_size, n_data, pk_data, sk_data))
}
napi_value sn_crypto_box_detached(napi_env env, napi_callback_info info) {
SN_ARGV(6, crypto_box_detached)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(mac, 1)
SN_ARGV_TYPEDARRAY(m, 2)
SN_ARGV_TYPEDARRAY(n, 3)
SN_ARGV_TYPEDARRAY(pk, 4)
SN_ARGV_TYPEDARRAY(sk, 5)
SN_THROWS(c_size != m_size, "c must be 'm.byteLength' bytes")
SN_ASSERT_LENGTH(mac_size, crypto_box_MACBYTES, "mac")
SN_ASSERT_LENGTH(n_size, crypto_box_NONCEBYTES, "n")
SN_ASSERT_LENGTH(sk_size, crypto_box_SECRETKEYBYTES, "sk")
SN_ASSERT_LENGTH(pk_size, crypto_box_PUBLICKEYBYTES, "pk")
SN_RETURN(crypto_box_detached(c_data, mac_data, m_data, m_size, n_data, pk_data, sk_data), "signature failed")
}
napi_value sn_crypto_box_open_detached(napi_env env, napi_callback_info info) {
SN_ARGV(6, crypto_box_open_detached)
SN_ARGV_TYPEDARRAY(m, 0)
SN_ARGV_TYPEDARRAY(c, 1)
SN_ARGV_TYPEDARRAY(mac, 2)
SN_ARGV_TYPEDARRAY(n, 3)
SN_ARGV_TYPEDARRAY(pk, 4)
SN_ARGV_TYPEDARRAY(sk, 5)
SN_THROWS(m_size != c_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(mac_size, crypto_box_MACBYTES, "mac")
SN_ASSERT_LENGTH(n_size, crypto_box_NONCEBYTES, "n")
SN_ASSERT_LENGTH(sk_size, crypto_box_SECRETKEYBYTES, "sk")
SN_ASSERT_LENGTH(pk_size, crypto_box_PUBLICKEYBYTES, "pk")
SN_RETURN_BOOLEAN(crypto_box_open_detached(m_data, c_data, mac_data, c_size, n_data, pk_data, sk_data))
}
napi_value sn_crypto_box_seal(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_box_seal)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(pk, 2)
SN_THROWS(c_size != m_size + crypto_box_SEALBYTES, "c must be 'm.byteLength + crypto_box_SEALBYTES' bytes")
SN_ASSERT_LENGTH(pk_size, crypto_box_PUBLICKEYBYTES, "pk")
SN_RETURN(crypto_box_seal(c_data, m_data, m_size, pk_data), "failed to create seal")
}
napi_value sn_crypto_box_seal_open(napi_env env, napi_callback_info info) {
SN_ARGV(4, crypto_box_seal_open)
SN_ARGV_TYPEDARRAY(m, 0)
SN_ARGV_TYPEDARRAY(c, 1)
SN_ARGV_TYPEDARRAY(pk, 2)
SN_ARGV_TYPEDARRAY(sk, 3)
SN_THROWS(m_size != c_size - crypto_box_SEALBYTES, "m must be 'c.byteLength - crypto_box_SEALBYTES' bytes")
SN_ASSERT_MIN_LENGTH(c_size, crypto_box_SEALBYTES, "c")
SN_ASSERT_LENGTH(sk_size, crypto_box_SECRETKEYBYTES, "sk")
SN_ASSERT_LENGTH(pk_size, crypto_box_PUBLICKEYBYTES, "pk")
SN_RETURN_BOOLEAN(crypto_box_seal_open(m_data, c_data, c_size, pk_data, sk_data))
}
napi_value sn_crypto_secretbox_easy(napi_env env, napi_callback_info info) {
SN_ARGV(4, crypto_secretbox_easy)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_TYPEDARRAY(k, 3)
SN_THROWS(c_size != m_size + crypto_secretbox_MACBYTES, "c must be 'm.byteLength + crypto_secretbox_MACBYTES' bytes")
SN_ASSERT_LENGTH(n_size, crypto_secretbox_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_secretbox_KEYBYTES, "k")
SN_RETURN(crypto_secretbox_easy(c_data, m_data, m_size, n_data, k_data), "crypto secretbox failed")
}
napi_value sn_crypto_secretbox_open_easy(napi_env env, napi_callback_info info) {
SN_ARGV(4, crypto_secretbox_open_easy)
SN_ARGV_TYPEDARRAY(m, 0)
SN_ARGV_TYPEDARRAY(c, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_TYPEDARRAY(k, 3)
SN_THROWS(m_size != c_size - crypto_secretbox_MACBYTES, "m must be 'c - crypto_secretbox_MACBYTES' bytes")
SN_ASSERT_MIN_LENGTH(c_size, crypto_secretbox_MACBYTES, "c")
SN_ASSERT_LENGTH(n_size, crypto_secretbox_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_secretbox_KEYBYTES, "k")
SN_RETURN_BOOLEAN(crypto_secretbox_open_easy(m_data, c_data, c_size, n_data, k_data))
}
napi_value sn_crypto_secretbox_detached(napi_env env, napi_callback_info info) {
SN_ARGV(5, crypto_secretbox_detached)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(mac, 1)
SN_ARGV_TYPEDARRAY(m, 2)
SN_ARGV_TYPEDARRAY(n, 3)
SN_ARGV_TYPEDARRAY(k, 4)
SN_THROWS(c_size != m_size, "c must 'm.byteLength' bytes")
SN_ASSERT_LENGTH(mac_size, crypto_secretbox_MACBYTES, "mac")
SN_ASSERT_LENGTH(n_size, crypto_secretbox_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_secretbox_KEYBYTES, "k")
SN_RETURN(crypto_secretbox_detached(c_data, mac_data, m_data, m_size, n_data, k_data), "failed to open box")
}
napi_value sn_crypto_secretbox_open_detached(napi_env env, napi_callback_info info) {
SN_ARGV(5, crypto_secretbox_open_detached)
SN_ARGV_TYPEDARRAY(m, 0)
SN_ARGV_TYPEDARRAY(c, 1)
SN_ARGV_TYPEDARRAY(mac, 2)
SN_ARGV_TYPEDARRAY(n, 3)
SN_ARGV_TYPEDARRAY(k, 4)
SN_THROWS(m_size != c_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(mac_size, crypto_secretbox_MACBYTES, "mac")
SN_ASSERT_LENGTH(n_size, crypto_secretbox_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_secretbox_KEYBYTES, "k")
SN_RETURN_BOOLEAN(crypto_secretbox_open_detached(m_data, c_data, mac_data, c_size, n_data, k_data))
}
napi_value sn_crypto_stream(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_stream)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(n, 1)
SN_ARGV_TYPEDARRAY(k, 2)
SN_ASSERT_LENGTH(n_size, crypto_stream_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_KEYBYTES, "k")
SN_RETURN(crypto_stream(c_data, c_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_xor(napi_env env, napi_callback_info info) {
SN_ARGV(4, crypto_stream_xor)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_TYPEDARRAY(k, 3)
SN_THROWS(c_size != m_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(n_size, crypto_stream_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_KEYBYTES, "k")
SN_RETURN(crypto_stream_xor(c_data, m_data, m_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_chacha20(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_stream_chacha20)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(n, 1)
SN_ARGV_TYPEDARRAY(k, 2)
SN_ASSERT_LENGTH(n_size, crypto_stream_chacha20_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_chacha20_KEYBYTES, "k")
SN_RETURN(crypto_stream_chacha20(c_data, c_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_chacha20_xor (napi_env env, napi_callback_info info) {
SN_ARGV(4, crypto_stream_chacha20_xor)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_TYPEDARRAY(k, 3)
SN_THROWS(c_size != m_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(n_size, crypto_stream_chacha20_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_chacha20_KEYBYTES, "k")
SN_RETURN(crypto_stream_chacha20_xor(c_data, m_data, m_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_chacha20_xor_ic(napi_env env, napi_callback_info info) {
SN_ARGV(5, crypto_stream_chacha20_xor_ic)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_UINT32(ic, 3)
SN_ARGV_TYPEDARRAY(k, 4)
SN_THROWS(c_size != m_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(n_size, crypto_stream_chacha20_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_chacha20_KEYBYTES, "k")
SN_RETURN(crypto_stream_chacha20_xor_ic(c_data, m_data, m_size, n_data, ic, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_chacha20_ietf(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_stream_chacha20_ietf)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(n, 1)
SN_ARGV_TYPEDARRAY(k, 2)
SN_ASSERT_LENGTH(n_size, crypto_stream_chacha20_ietf_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_chacha20_ietf_KEYBYTES, "k")
SN_RETURN(crypto_stream_chacha20_ietf(c_data, c_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_chacha20_ietf_xor(napi_env env, napi_callback_info info) {
SN_ARGV(4, crypto_stream_chacha20_ietf_xor)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_TYPEDARRAY(k, 3)
SN_THROWS(c_size != m_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(n_size, crypto_stream_chacha20_ietf_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_chacha20_ietf_KEYBYTES, "k")
SN_RETURN(crypto_stream_chacha20_ietf_xor(c_data, m_data, m_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_chacha20_ietf_xor_ic(napi_env env, napi_callback_info info) {
SN_ARGV(5, crypto_stream_chacha20_ietf_xor_ic)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_UINT32(ic, 3)
SN_ARGV_TYPEDARRAY(k, 4)
SN_THROWS(c_size != m_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(n_size, crypto_stream_chacha20_ietf_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_chacha20_ietf_KEYBYTES, "k")
SN_RETURN(crypto_stream_chacha20_ietf_xor_ic(c_data, m_data, m_size, n_data, ic, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_xchacha20(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_stream_xchacha20)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(n, 1)
SN_ARGV_TYPEDARRAY(k, 2)
SN_ASSERT_LENGTH(n_size, crypto_stream_xchacha20_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_xchacha20_KEYBYTES, "k")
SN_RETURN(crypto_stream_xchacha20(c_data, c_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_xchacha20_xor (napi_env env, napi_callback_info info) {
SN_ARGV(4, crypto_stream_xchacha20_xor)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_TYPEDARRAY(k, 3)
SN_THROWS(c_size != m_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(n_size, crypto_stream_xchacha20_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_xchacha20_KEYBYTES, "k")
SN_RETURN(crypto_stream_xchacha20_xor(c_data, m_data, m_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_xchacha20_xor_ic(napi_env env, napi_callback_info info) {
SN_ARGV(5, crypto_stream_xchacha20_xor_ic)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_UINT32(ic, 3)
SN_ARGV_TYPEDARRAY(k, 4)
SN_THROWS(c_size != m_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(n_size, crypto_stream_xchacha20_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_xchacha20_KEYBYTES, "k")
SN_RETURN(crypto_stream_xchacha20_xor_ic(c_data, m_data, m_size, n_data, ic, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_salsa20(napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_stream_salsa20)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(n, 1)
SN_ARGV_TYPEDARRAY(k, 2)
SN_ASSERT_LENGTH(n_size, crypto_stream_salsa20_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_salsa20_KEYBYTES, "k")
SN_RETURN(crypto_stream_salsa20(c_data, c_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_salsa20_xor (napi_env env, napi_callback_info info) {
SN_ARGV(4, crypto_stream_salsa20_xor)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_TYPEDARRAY(k, 3)
SN_THROWS(c_size != m_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(n_size, crypto_stream_salsa20_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_salsa20_KEYBYTES, "k")
SN_RETURN(crypto_stream_salsa20_xor(c_data, m_data, m_size, n_data, k_data), "stream encryption failed")
}
napi_value sn_crypto_stream_salsa20_xor_ic(napi_env env, napi_callback_info info) {
SN_ARGV(5, crypto_stream_salsa20_xor_ic)
SN_ARGV_TYPEDARRAY(c, 0)
SN_ARGV_TYPEDARRAY(m, 1)
SN_ARGV_TYPEDARRAY(n, 2)
SN_ARGV_UINT32(ic, 3)
SN_ARGV_TYPEDARRAY(k, 4)
SN_THROWS(c_size != m_size, "m must be 'c.byteLength' bytes")
SN_ASSERT_LENGTH(n_size, crypto_stream_salsa20_NONCEBYTES, "n")
SN_ASSERT_LENGTH(k_size, crypto_stream_salsa20_KEYBYTES, "k")
SN_RETURN(crypto_stream_salsa20_xor_ic(c_data, m_data, m_size, n_data, ic, k_data), "stream encryption failed")
}
napi_value sn_crypto_auth (napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_auth)
SN_ARGV_TYPEDARRAY(out, 0)
SN_ARGV_TYPEDARRAY(in, 1)
SN_ARGV_TYPEDARRAY(k, 2)
SN_ASSERT_LENGTH(out_size, crypto_auth_BYTES, "out")
SN_ASSERT_LENGTH(k_size, crypto_auth_KEYBYTES, "k")
SN_RETURN(crypto_auth(out_data, in_data, in_size, k_data), "failed to generate authentication tag")
}
napi_value sn_crypto_auth_verify (napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_auth_verify)
SN_ARGV_TYPEDARRAY(h, 0)
SN_ARGV_TYPEDARRAY(in, 1)
SN_ARGV_TYPEDARRAY(k, 2)
SN_ASSERT_LENGTH(h_size, crypto_auth_BYTES, "h")
SN_ASSERT_LENGTH(k_size, crypto_auth_KEYBYTES, "k")
SN_RETURN_BOOLEAN(crypto_auth_verify(h_data, in_data, in_size, k_data))
}
napi_value sn_crypto_onetimeauth (napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_onetimeauth)
SN_ARGV_TYPEDARRAY(out, 0)
SN_ARGV_TYPEDARRAY(in, 1)
SN_ARGV_TYPEDARRAY(k, 2)
SN_ASSERT_LENGTH(out_size, crypto_onetimeauth_BYTES, "out")
SN_ASSERT_LENGTH(k_size, crypto_onetimeauth_KEYBYTES, "k")
SN_RETURN(crypto_onetimeauth(out_data, in_data, in_size, k_data), "failed to generate onetime authentication tag")
}
napi_value sn_crypto_onetimeauth_init (napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_onetimeauth_init)
SN_ARGV_BUFFER_CAST(crypto_onetimeauth_state *, state, 0)
SN_ARGV_TYPEDARRAY(k, 1)
SN_THROWS(state_size != sizeof(crypto_onetimeauth_state), "state must be 'crypto_onetimeauth_STATEBYTES' bytes")
SN_ASSERT_LENGTH(k_size, crypto_onetimeauth_KEYBYTES, "k")
SN_RETURN(crypto_onetimeauth_init(state, k_data), "failed to initialise onetime authentication")
}
napi_value sn_crypto_onetimeauth_update(napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_onetimeauth_update)
SN_ARGV_BUFFER_CAST(crypto_onetimeauth_state *, state, 0)
SN_ARGV_TYPEDARRAY(in, 1)
SN_THROWS(state_size != sizeof(crypto_onetimeauth_state), "state must be 'crypto_onetimeauth_STATEBYTES' bytes")
SN_RETURN(crypto_onetimeauth_update(state, in_data, in_size), "update failed")
}
napi_value sn_crypto_onetimeauth_final(napi_env env, napi_callback_info info) {
SN_ARGV(2, crypto_onetimeauth_final)
SN_ARGV_BUFFER_CAST(crypto_onetimeauth_state *, state, 0)
SN_ARGV_TYPEDARRAY(out, 1)
SN_THROWS(state_size != sizeof(crypto_onetimeauth_state), "state must be 'crypto_onetimeauth_STATEBYTES' bytes")
SN_ASSERT_LENGTH(out_size, crypto_onetimeauth_BYTES, "out")
SN_RETURN(crypto_onetimeauth_final(state, out_data), "failed to generate authentication tag")
}
napi_value sn_crypto_onetimeauth_verify (napi_env env, napi_callback_info info) {
SN_ARGV(3, crypto_onetimeauth_verify)
SN_ARGV_TYPEDARRAY(h, 0)
SN_ARGV_TYPEDARRAY(in, 1)
SN_ARGV_TYPEDARRAY(k, 2)
SN_ASSERT_LENGTH(h_size, crypto_onetimeauth_BYTES, "h")
SN_ASSERT_LENGTH(k_size, crypto_onetimeauth_KEYBYTES, "k")
SN_RETURN_BOOLEAN(crypto_onetimeauth_verify(h_data, in_data, in_size, k_data))
}
// CHECK: memlimit can be >32bit
napi_value sn_crypto_pwhash (napi_env env, napi_callback_info info) {
SN_ARGV(6, crypto_pwhash)
SN_ARGV_TYPEDARRAY(out, 0)
SN_ARGV_TYPEDARRAY(passwd, 1)
SN_ARGV_TYPEDARRAY(salt, 2)
SN_ARGV_UINT64(opslimit, 3)
SN_ARGV_UINT64(memlimit, 4)
SN_ARGV_UINT8(alg, 5)
SN_ASSERT_MIN_LENGTH(out_size, crypto_pwhash_BYTES_MIN, "out")
SN_ASSERT_MAX_LENGTH(out_size, crypto_pwhash_BYTES_MAX, "out")
SN_ASSERT_LENGTH(salt_size, crypto_pwhash_SALTBYTES, "salt")
SN_ASSERT_MIN_LENGTH(opslimit, crypto_pwhash_OPSLIMIT_MIN, "opslimit")
SN_ASSERT_MAX_LENGTH(opslimit, crypto_pwhash_OPSLIMIT_MAX, "opslimit")
SN_ASSERT_MIN_LENGTH(memlimit, crypto_pwhash_MEMLIMIT_MIN, "memlimit")
SN_ASSERT_MAX_LENGTH(memlimit, (int64_t) crypto_pwhash_MEMLIMIT_MAX, "memlimit")
SN_THROWS(alg < 1 || alg > 2, "alg must be either Argon2i 1.3 or Argon2id 1.3")