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crypto_sign_keypair(public_key, secret_key, 0);
*out_key_length = secret_key_length;
return(secret_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 *seed, *buffer, buffer_s[NANO_SECRET_KEY_LENGTH + 4];
long seed_index;
int seed_length, buffer_length;
int csk_ret;
unsigned char secret_key[crypto_sign_SECRETKEYBYTES], public_key[crypto_sign_PUBLICKEYBYTES];
int csk_ret, 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);
if (csk_ret != 0) {
Tcl_SetResult(interp, "Internal error", NULL);
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);
}
tglfo_ret = Tcl_GetLongFromObj(interp, objv[2], &seed_index);
if (tglfo_ret != TCL_OK) {
return(tglfo_ret);
}
if (seed_index > 0xffffffffL) {
Tcl_SetResult(interp, "Seed exceed maximum value", NULL);
return(TCL_ERROR);
}
buffer_length = sizeof(buffer_s);
buffer = buffer_s;
memcpy(buffer, seed, seed_length);
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);
}
Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(secret_key, NANO_SECRET_KEY_LENGTH));
return(TCL_OK);
/* NOTREACH */
clientData = clientData;
}
static int nano_tcl_generate_seed(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
unsigned char seed[NANO_SECRET_KEY_LENGTH];
int seed_length;
if (objc != 1) {
Tcl_WrongNumArgs(interp, 1, objv, "");
return(TCL_ERROR);
}
csk_ret = crypto_sign_keypair(public_key, secret_key, 1);
seed_length = sizeof(seed);
if (csk_ret != 0) {
Tcl_SetResult(interp, "Internal error", NULL);
return(TCL_ERROR);
}
cret_key, NANO_SECRET_KEY_LENGTH));
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if (!tclInitStubs_ret) {
return(TCL_ERROR);
}
#endif
Tcl_CreateObjCommand(interp, "::nano::internal::selfTest", nano_tcl_self_test, NULL, NULL);
Tcl_CreateObjCommand(interp, "::nano::internal::generateKey", nano_tcl_generate_keypair, NULL, NULL);
Tcl_CreateObjCommand(interp, "::nano::internal::signDetached", nano_tcl_sign_detached, NULL, NULL);
Tcl_CreateObjCommand(interp, "::nano::internal::generateSeed", nano_tcl_generate_seed, NULL, NULL);
Tcl_CreateObjCommand(interp, "::nano::internal::publicKey", nano_tcl_secret_key_to_public_key, NULL, NULL);
Tcl_CreateObjCommand(interp, "::nano::internal::signDetached", nano_tcl_sign_detached, NULL, NULL);
Tcl_CreateObjCommand(interp, "::nano::internal::verifyDetached", nano_tcl_verify_detached, NULL, NULL);
Tcl_CreateObjCommand(interp, "::nano::internal::hashData", nano_tcl_hash_data, NULL, NULL);
if (interp) {
te_ret = Tcl_Eval(interp, nanoInitScript);
if (te_ret != TCL_OK) {
return(te_ret);
}
}
return(TCL_OK);
}
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