Tcl Nano
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Differences From Artifact [6d823f4967]:

To Artifact [3e25e24c1a]:




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/* XXX:TODO: OpenMP support is currently incomplete */
#undef NANO_TCL_HAVE_OPENMP

#include <stdint.h>
#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <tcl.h>
#ifdef NANO_TCL_HAVE_OPENMP
#  include <omp.h>
#endif

#include "randombytes.h"
#include "tweetnacl.h"
#include "blake2.h"
#include "monocypher.h"
#include "argon2.h"

#define NANO_SECRET_KEY_LENGTH (crypto_sign_SECRETKEYBYTES - crypto_sign_PUBLICKEYBYTES)
#define NANO_PUBLIC_KEY_LENGTH (crypto_sign_PUBLICKEYBYTES)
#define NANO_SECRET_KEY_LENGTH 32
#define NANO_PUBLIC_KEY_LENGTH 32
#define NANO_BLOCK_HASH_LENGTH 32
#define NANO_BLOCK_SIGNATURE_LENGTH crypto_sign_BYTES
#define NANO_BLOCK_SIGNATURE_LENGTH 64
#define NANO_WORK_VALUE_LENGTH 8
#define NANO_WORK_HASH_LENGTH  8
#define NANO_WORK_DEFAULT_MIN  0xffffffc000000000LLU

#define TclNano_AttemptAlloc(x) ((void *) Tcl_AttemptAlloc(x))
#define TclNano_Free(x) Tcl_Free((char *) x)
#define TclNano_SetIntVar(interp, name, intValue) \




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#define TclNano_PkgProvide(interp, name, version) \
	tclcmd_ret = Tcl_PkgProvide(interp, name, version); \
	if (tclcmd_ret != TCL_OK) { \
		return(tclcmd_ret); \
	}

static unsigned char *nano_parse_secret_key(Tcl_Obj *secret_key_only_obj, int *out_key_length) {
	unsigned char *secret_key, *public_key, *secret_key_only;
	int secret_key_length, secret_key_only_length;
	unsigned char *public_key, *secret_key_only;
	int public_key_length, secret_key_only_length;

	secret_key_only = Tcl_GetByteArrayFromObj(secret_key_only_obj, &secret_key_only_length);
	if (secret_key_only_length != NANO_SECRET_KEY_LENGTH) {
		return(NULL);
	}

	if ((NANO_SECRET_KEY_LENGTH + NANO_PUBLIC_KEY_LENGTH) != crypto_sign_SECRETKEYBYTES) {
	public_key_length = NANO_PUBLIC_KEY_LENGTH;
		return(NULL);
	}

	secret_key_length = crypto_sign_SECRETKEYBYTES;
	secret_key = TclNano_AttemptAlloc(secret_key_length);
	if (!secret_key) {
	public_key = TclNano_AttemptAlloc(public_key_length);
	if (!public_key) {
		return(NULL);
	}

	memcpy(secret_key, secret_key_only, secret_key_only_length);
	public_key = secret_key + secret_key_only_length;
	crypto_sign_keypair(public_key, secret_key, 0);
	crypto_sign_public_key(public_key, secret_key_only);

	*out_key_length = secret_key_length;
	return(secret_key);
	*out_key_length = public_key_length;
	return(public_key);
}

static int nano_tcl_generate_keypair(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
	unsigned char secret_key[crypto_sign_SECRETKEYBYTES], public_key[crypto_sign_PUBLICKEYBYTES];
	unsigned char secret_key[NANO_SECRET_KEY_LENGTH], public_key[NANO_PUBLIC_KEY_LENGTH];
	unsigned char *seed, *buffer, buffer_s[NANO_SECRET_KEY_LENGTH + 4];
	long seed_index;
	int seed_length, buffer_length;
	int csk_ret, tglfo_ret;
	int tglfo_ret;

	if (objc != 1 && objc != 3) {
		Tcl_WrongNumArgs(interp, 1, objv, "?seed index?");

		return(TCL_ERROR);
	}

	if (objc == 1) {
		csk_ret = crypto_sign_keypair(public_key, secret_key, 1);
		randombytes(secret_key, NANO_SECRET_KEY_LENGTH);
		if (csk_ret != 0) {
			Tcl_SetResult(interp, "Internal error", NULL);

		crypto_sign_public_key(public_key, secret_key);
			return(TCL_ERROR);
		}
	} else {
		seed = Tcl_GetByteArrayFromObj(objv[1], &seed_length);
		if (seed_length != NANO_SECRET_KEY_LENGTH) {
			Tcl_SetResult(interp, "Seed is not the right size", NULL);

			return(TCL_ERROR);
		}




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		buffer += seed_length;
		buffer[0] = (seed_index >> 24) & 0xff;
		buffer[1] = (seed_index >> 16) & 0xff;
		buffer[2] = (seed_index >> 8) & 0xff;
		buffer[3] = seed_index & 0xff;
		buffer -= seed_length;

		blake2b(secret_key, NANO_SECRET_KEY_LENGTH, buffer, buffer_length, NULL, 0);
		crypto_blake2b_general(secret_key, NANO_SECRET_KEY_LENGTH, NULL, 0, buffer, buffer_length);
	}

	Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(secret_key, NANO_SECRET_KEY_LENGTH));

	return(TCL_OK);

	/* NOTREACH */




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	public_key = TclNano_AttemptAlloc(public_key_length);
	if (!public_key) {
		Tcl_SetResult(interp, "Internal error", NULL);

		return(TCL_ERROR);
	}

	crypto_sign_keypair(public_key, secret_key, 0);
	crypto_sign_public_key(public_key, secret_key);

	Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(public_key, public_key_length));

	TclNano_Free(public_key);

	return(TCL_OK);

	/* NOTREACH */
	clientData = clientData;
}

static int nano_tcl_sign_detached(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
	int cs_ret;
	unsigned char *signature, *data, *secret_key;
	unsigned char *signature, *data, *secret_key, *public_key;
	unsigned long long signature_length;
	int data_length, secret_key_length;
	int data_length, public_key_length, secret_key_length;

	if (objc != 3) {
		Tcl_WrongNumArgs(interp, 1, objv, "data secretKey");

		return(TCL_ERROR);
	}

	data = Tcl_GetByteArrayFromObj(objv[1], &data_length);
	signature_length = data_length + NANO_BLOCK_SIGNATURE_LENGTH;
	if (signature_length >= UINT_MAX) {
		Tcl_SetResult(interp, "Input message too long", NULL);
	signature_length = NANO_BLOCK_SIGNATURE_LENGTH;

	secret_key = Tcl_GetByteArrayFromObj(objv[2], &secret_key_length);
	if (secret_key_length != NANO_SECRET_KEY_LENGTH) {
		Tcl_SetResult(interp, "Secret key is not the right size", NULL);

		return(TCL_ERROR);
	}

	secret_key = nano_parse_secret_key(objv[2], &secret_key_length);
	public_key = nano_parse_secret_key(objv[2], &public_key_length);
	if (!secret_key) {
		Tcl_SetResult(interp, "Secret key is not the right size", NULL);

		return(TCL_ERROR);
	}

	signature = TclNano_AttemptAlloc(signature_length);
	if (!signature) {
		TclNano_Free(secret_key);
		TclNano_Free(public_key);

		Tcl_SetResult(interp, "Unable to allocate memory", NULL);

		return(TCL_ERROR);
	}

	cs_ret = crypto_sign(signature, &signature_length, data, data_length, secret_key);
	if (cs_ret != 0) {
		TclNano_Free(secret_key);
		TclNano_Free(signature);

	crypto_sign(signature, secret_key, public_key, data, data_length);
		Tcl_SetResult(interp, "crypto_sign failed", NULL);

		return(TCL_ERROR);
	}

	Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(signature, NANO_BLOCK_SIGNATURE_LENGTH));

	TclNano_Free(signature);
	TclNano_Free(secret_key);
	TclNano_Free(public_key);

	return(TCL_OK);

	/* NOTREACH */
	clientData = clientData;
}

static int nano_tcl_verify_detached(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
	int cso_ret;
	unsigned char *signature, *data, *signed_data, *verify_data, *public_key;
	int signature_length, data_length, signed_data_length, verify_data_length, public_key_length;
	int cc_ret;
	unsigned char *signature, *data, *public_key;
	int signature_length, data_length, public_key_length;
	unsigned long long verify_data_length_nacl;
	int result;

	if (objc != 4) {
		Tcl_WrongNumArgs(interp, 1, objv, "data signature publicKey");

		return(TCL_ERROR);
	}




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	public_key = Tcl_GetByteArrayFromObj(objv[3], &public_key_length);
	if (public_key_length != NANO_PUBLIC_KEY_LENGTH) {
		Tcl_SetResult(interp, "Public key is not the right size", NULL);

		return(TCL_ERROR);
	}

	signed_data_length = data_length + signature_length;
	signed_data = TclNano_AttemptAlloc(signed_data_length);
	if (!signed_data) {
		Tcl_SetResult(interp, "Internal error", NULL);

	cc_ret = crypto_check(signature, public_key, data, data_length);
		return(TCL_ERROR);
	}

	memcpy(signed_data, signature, signature_length);
	memcpy(signed_data + signature_length, data, data_length);

	verify_data_length = signed_data_length;
	verify_data = TclNano_AttemptAlloc(verify_data_length);
	if (!verify_data) {
		TclNano_Free(verify_data);

		Tcl_SetResult(interp, "Internal error", NULL);

		return(TCL_ERROR);
	}

	verify_data_length_nacl = verify_data_length;
	cso_ret = crypto_sign_open(verify_data, &verify_data_length_nacl, signed_data, signed_data_length, public_key);
	result = 0;
	if (cso_ret == 0) {
	if (!cc_ret) {
		result = 1;
	}

	TclNano_Free(signed_data);
	TclNano_Free(verify_data);

	Tcl_SetObjResult(interp, Tcl_NewBooleanObj(result));

	return(TCL_OK);

	/* NOTREACH */
	clientData = clientData;
}

#if 0
static int nano_tcl_derive_key_from_password(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
	argon2_context argon2_context_item;

	if (objc != 2) {
		Tcl_WrongNumArgs(interp, 1, objv, "password");

		return(TCL_ERROR);
	}

unsigned char password[] = {0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}
unsigned char salt[] = {0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02}
unsigned char secret[] = {0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03}
unsigned char ad[] = {0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04}
unsigned char phd[] = {0x24, 0xfd, 0xe9, 0x5a, 0x9d, 0xf5, 0x49, 0xd0, 0x02, 0xbd, 0x21, 0xb8, 0xb3, 0x45, 0x57, 0xe0, 0xf2, 0x53, 0x03, 0xd6, 0x53, 0x12, 0xf4, 0xc0, 0x7e, 0x1b, 0x0f, 0x12, 0x75, 0xb3, 0xe9, 0xd9, 0x45, 0xe9, 0x7b, 0x66, 0xbf, 0xe4, 0x27, 0x20, 0x6e, 0xca, 0xc7, 0xea, 0x2f, 0xfb, 0x1b, 0xe2, 0xc8, 0x3a, 0x15, 0xa6, 0x64, 0xb2, 0x4b, 0x4f, 0x6b, 0xc3, 0x34, 0x0d, 0x24, 0x89, 0x0b, 0x13}
unsigned char final_tag[] = {0xf8, 0x7c, 0x95, 0x96, 0xbd, 0xbf, 0x75, 0x0b, 0xfb, 0x35, 0x3a, 0x89, 0x70, 0xe5, 0x44, 0x1a, 0x70, 0x24, 0x3e, 0xb4, 0x90, 0x30, 0xdf, 0xe2, 0x74, 0xd9, 0xad, 0x4e, 0x37, 0x0e, 0x38, 0x9b}

argon2_context_item.pwd = password;
argon2_context_item.pwdlen = sizeof(password);
argon2_context_item.salt = salt;
argon2_context_item.saltlen = sizeof(salt);
argon2_context_item.secret = secret;
argon2_context_item.secretlen = sizeof(secret);
argon2_context_item.ad = ad;
argon2_context_item.adlen = sizeof(ad);
argon2_context_item.t_cost = 3;
argon2_context_item.m_cost = 16;
argon2_context_item.lanes = 4;
argon2_context_item.threads = 4;
argon2_context_item.version = ARGON2_VERSION_NUMBER;
argon2_context_item.allocate_cbk = NULL;
argon2_context_item.free_cbk = NULL;
argon2_context_item.flags = 0;

}
#endif

static int nano_tcl_hash_data(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
	unsigned char *data, result[NANO_BLOCK_SIGNATURE_LENGTH];
	int tgifo_ret;
	int data_length, result_length;

	if (objc < 2 || objc > 3) {
		Tcl_WrongNumArgs(interp, 1, objv, "data ?hashLength?");




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		if (result_length > sizeof(result)) {
			Tcl_SetResult(interp, "Hash length too large", NULL);

			return(TCL_ERROR);
		}

		blake2b(result, result_length, data, data_length, NULL, 0);
		crypto_blake2b_general(result, result_length, NULL, 0, data, data_length);
	} else {
		/*
		 * Default to the same as the cryptographic primitive
		 */
		crypto_hash(result, data, data_length);
		crypto_blake2b(result, data, data_length);
		result_length = NANO_BLOCK_SIGNATURE_LENGTH;
	}

	Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(result, result_length));

	return(TCL_OK);

	/* NOTREACH */
	clientData = clientData;
}

static int nano_validate_work(const unsigned char *blockhash, const unsigned char *work, uint64_t workMin) {
	unsigned char workReversed[NANO_WORK_VALUE_LENGTH], workCheck[NANO_WORK_HASH_LENGTH];
	unsigned int idxIn, idxOut;
	blake2b_state workhash_state;
	crypto_blake2b_ctx workhash_state;
	uint64_t workValue;
	int blake2_ret;

	idxIn = sizeof(workReversed) - 1;
	idxOut = 0;
	while (idxOut < sizeof(workReversed)) {
		workReversed[idxOut] = work[idxIn];
		idxOut++;
		idxIn--;
	}

	blake2_ret = blake2b_init(&workhash_state, sizeof(workCheck));
	crypto_blake2b_general_init(&workhash_state, sizeof(workCheck), NULL, 0);
	if (blake2_ret != 0) {
		return(0);
	}

	blake2_ret = blake2b_update(&workhash_state, workReversed, sizeof(workReversed));
	crypto_blake2b_update(&workhash_state, workReversed, sizeof(workReversed));
	if (blake2_ret != 0) {
		return(0);
	}

	blake2_ret = blake2b_update(&workhash_state, blockhash, NANO_BLOCK_HASH_LENGTH);
	crypto_blake2b_update(&workhash_state, blockhash, NANO_BLOCK_HASH_LENGTH);
	if (blake2_ret != 0) {
		return(0);
	}

	blake2_ret = blake2b_final(&workhash_state, workCheck, sizeof(workCheck));
	crypto_blake2b_final(&workhash_state, workCheck);
	if (blake2_ret != 0) {
		return(0);
	}

	workValue = 0;
	for (idxIn = sizeof(workCheck); idxIn > 0; idxIn--) {
		workValue <<= 8;
		workValue |= workCheck[idxIn - 1];
	}





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static void nano_generate_work(const unsigned char *blockhash, unsigned char *workOut, uint64_t workMin) {
	unsigned char work[NANO_WORK_VALUE_LENGTH];
	unsigned int offset;
	int work_valid;

	memcpy(work, blockhash, sizeof(work));

#pragma omp target map(tofrom:work)
/* XXX:TODO: INCOMPLETE OpenMP support #pragma omp target map(tofrom:work) */
	while (1) {
		work_valid = nano_validate_work(blockhash, work, workMin);
		if (work_valid) {
			break;
		}

		offset = 0;




︙


624
625
626
627
628
629
630

631
632
633
634
635
636
637
638
639
640

605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622








+











	TclNano_CreateObjCommand(interp, "::nano::internal::selfTest", nano_tcl_self_test);
	TclNano_CreateObjCommand(interp, "::nano::internal::generateKey", nano_tcl_generate_keypair);
	TclNano_CreateObjCommand(interp, "::nano::internal::generateSeed", nano_tcl_generate_seed);
	TclNano_CreateObjCommand(interp, "::nano::internal::publicKey", nano_tcl_secret_key_to_public_key);
	TclNano_CreateObjCommand(interp, "::nano::internal::signDetached", nano_tcl_sign_detached);
	TclNano_CreateObjCommand(interp, "::nano::internal::verifyDetached", nano_tcl_verify_detached);
	TclNano_CreateObjCommand(interp, "::nano::internal::hashData", nano_tcl_hash_data);
//	TclNano_CreateObjCommand(interp, "::nano::internal::deriveKeyFromPassword", nano_tcl_derive_key_from_password);
	TclNano_CreateObjCommand(interp, "::nano::internal::validateWork", nano_tcl_validate_work);
	TclNano_CreateObjCommand(interp, "::nano::internal::generateWork", nano_tcl_generate_work);
	TclNano_CreateObjCommand(interp, "::nano::internal::randomBytes", nano_tcl_random_bytes);

	TclNano_Eval(interp, nanoInitScript);

	TclNano_PkgProvide(interp, "nano", PACKAGE_VERSION);

	return(TCL_OK);
}













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