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#include <s.h>
#include <assert.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "random.h"
#include "impl.h"
#include "lib.h"
int
tweetnacl_main(const int argc, const char *const *const argv) {
int rc = EXIT_FAILURE;
if (printf("%s %s %s\n", "NAME", "VERSION", "DATE") < 0) {
perror("printf()");
goto out;
}
for (int i = 0; i < argc; i++) {
if (printf("argv[%i]: %s\n", i, argv[i]) < 0) {
perror("printf()");
goto out;
}
}
rc = EXIT_SUCCESS;
out:
return rc;
}
bool
crypt_verify(
const unsigned char buffer1[crypt_verify_BYTES],
const unsigned char buffer2[crypt_verify_BYTES]
) {
return crypto_verify_16(buffer1, buffer2) == 0;
}
void
crypt_hash(
const unsigned long long length,
const unsigned char *data,
unsigned char out[crypt_hash_BYTES]
) {
const int ret = crypto_hash(out, data, length);
assert(ret == 0);
}
void
crypt_onetimeauth(
const unsigned long long length,
const unsigned char *const data,
const unsigned char secret_key[crypt_onetimeauth_KEYBYTES],
unsigned char authenticator_out[crypt_onetimeauth_BYTES]
) {
const int ret = crypto_onetimeauth(
authenticator_out,
data,
length,
secret_key
);
assert(ret == 0);
}
bool
crypt_onetimeauth_verify(
const unsigned char authenticator[crypt_onetimeauth_BYTES],
const unsigned char secret_key[crypt_onetimeauth_KEYBYTES],
const unsigned long long length,
const unsigned char *const data
) {
return crypto_onetimeauth_verify(
authenticator,
data,
length,
secret_key
);
}
int
crypt_secretbox(
const unsigned char secret_key[crypt_secretbox_KEYBYTES],
const unsigned long long length,
const unsigned char *const clear_data,
unsigned char *const cypher_out
) {
for (int i = 0; i < crypt_secretbox_ZEROBYTES; i++) {
if (clear_data[i] != 0) {
return -2;
}
}
assert(length >= 32);
unsigned char nonce[crypt_secretbox_NONCEBYTES];
random_bytes(nonce, crypt_secretbox_NONCEBYTES);
const int ret = crypto_secretbox(
cypher_out,
clear_data,
length,
nonce,
secret_key
);
assert(ret == 0);
return 0;
}
int
crypt_secretbox_open(
const unsigned char secret_key[crypt_secretbox_KEYBYTES],
const unsigned long long length,
const unsigned char *const cypher_data,
unsigned char *const clean_out
) {
for (int i = 0; i < crypt_secretbox_BOXZEROBYTES; i++) {
if (cypher_data[i] != 0) {
return -2;
}
}
unsigned char nonce[crypt_secretbox_NONCEBYTES];
random_bytes(nonce, crypt_secretbox_NONCEBYTES);
return crypto_secretbox_open(
clean_out,
cypher_data,
length,
nonce,
secret_key
);
}
void
crypt_sign_keypair(
unsigned char public_key_out[crypt_sign_PUBLICKEYBYTES],
unsigned char secret_key_out[crypt_sign_SECRETKEYBYTES]
) {
const int ret = crypto_sign_keypair(public_key_out, secret_key_out);
assert(ret == 0);
}
void
crypt_sign(
const unsigned char secret_key[crypt_sign_SECRETKEYBYTES],
const unsigned long long length,
const unsigned char *const data,
unsigned long long *const outlen,
unsigned char *const signed_out
) {
const int ret = crypto_sign(
signed_out,
outlen,
data,
length,
secret_key
);
assert(ret == 0);
}
int
crypt_sign_open(
const unsigned char public_key[crypt_sign_PUBLICKEYBYTES],
const unsigned long long signed_message_length,
const unsigned char *const signed_message,
unsigned long long *const inoutlen,
unsigned char *const out
) {
assert(signed_message_length >= crypt_sign_BYTES);
assert(*inoutlen == signed_message_length);
return crypto_sign_open(
out,
inoutlen,
signed_message,
signed_message_length,
public_key
);
}
void
crypt_box_keypair(
unsigned char public_key_out[crypt_box_PUBLICKEYBYTES],
unsigned char secret_key_out[crypt_box_SECRETKEYBYTES]
) {
const int ret = crypto_box_keypair(public_key_out, secret_key_out);
assert(ret == 0);
}
int
crypt_box(
const unsigned char receiver_public_key[crypt_box_PUBLICKEYBYTES],
const unsigned char sender_secret_key[crypt_box_PUBLICKEYBYTES],
const unsigned long long length,
const unsigned char *const clear_data,
unsigned char *const cypher_out
) {
for (int i = 0U; i < crypt_box_ZEROBYTES; i++) {
if (clear_data[i] != 0) {
return -2;
}
}
unsigned char nonce[crypt_box_NONCEBYTES];
random_bytes(nonce, crypt_box_NONCEBYTES);
const int ret = crypto_box(
cypher_out,
clear_data,
length,
nonce,
receiver_public_key,
sender_secret_key
);
assert(ret == 0);
return 0;
}
int
crypt_box_open(
const unsigned char sender_public_key[crypt_box_PUBLICKEYBYTES],
const unsigned char receiver_secret_key[crypt_box_SECRETKEYBYTES],
const unsigned long long length,
const unsigned char *const cypher_data,
unsigned char *const clear_out
) {
for (int i = 0U; i < crypt_box_BOXZEROBYTES; i++) {
if (cypher_data[i] != 0) {
return -2;
}
}
unsigned char nonce[crypt_box_NONCEBYTES];
random_bytes(nonce, crypt_box_NONCEBYTES);
return crypto_box_open(
clear_out,
cypher_data,
length,
nonce,
sender_public_key,
receiver_secret_key
);
}
void
crypt_box_beforenm(
const unsigned char public_key[crypt_box_PUBLICKEYBYTES],
const unsigned char secret_key[crypt_box_PUBLICKEYBYTES],
unsigned char out[crypt_box_BEFORENMBYTES]
) {
const int ret = crypto_box_beforenm(out, public_key, secret_key);
assert(ret == 0);
}
void
crypt_box_afternm(
const unsigned char beforenm_intermediate[crypt_box_BEFORENMBYTES],
const unsigned long long length,
const unsigned char *const clear_data,
unsigned char *const cypher_out
) {
unsigned char nonce[crypt_box_NONCEBYTES];
random_bytes(nonce, crypt_box_NONCEBYTES);
const int ret = crypto_box_afternm(
cypher_out,
clear_data,
length,
nonce,
beforenm_intermediate
);
assert(ret == 0);
}
int
crypt_box_open_afternm(
const unsigned char beforenm_intermediate[crypt_box_BEFORENMBYTES],
const unsigned long long length,
const unsigned char *const cypher_data,
unsigned char *const clear_out
) {
unsigned char nonce[crypt_box_NONCEBYTES];
random_bytes(nonce, crypt_box_NONCEBYTES);
return crypto_box_open_afternm(
clear_out,
cypher_data,
length,
nonce,
beforenm_intermediate
);
}
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