#assumes you have gnu sed, osx sed might need slight syntax changeo
#c.f. https://unix.stackexchange.com/questions/112023/how-can-i-replace-a-string-in-a-files
#written by shen-noether monero research labs
import os #for copying and sed etc.
import glob #for copy files
import textwrap #for comments etc
print("make sure you have cat and grep installed")
print("also assumes gnu sed syntax, c.f. :https://unix.stackexchange.com/questions/112023/how-can-i-replace-a-string-in-a-files")
print("I believe osx may have slightly different version of sed")
print("maybe someone smart can replace the sed with perl..")
a = ""
license = textwrap.dedent("""\
// Copyright (c) 2014-2018, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
""")
crypto_ops_includes = textwrap.dedent("""\
#include <assert.h>
#include <stdint.h>
#include "warnings.h"
#include "crypto-ops.h"
DISABLE_VS_WARNINGS(4146 4244)
""")
predeclarations = textwrap.dedent("""\
/* Predeclarations */
static void fe_mul(fe, const fe, const fe);
static void fe_sq(fe, const fe);
static void fe_tobytes(unsigned char *, const fe);
static int fe_isnonzero(const fe);
static void ge_madd(ge_p1p1 *, const ge_p3 *, const ge_precomp *);
static void ge_msub(ge_p1p1 *, const ge_p3 *, const ge_precomp *);
static void ge_p2_0(ge_p2 *);
static void ge_p3_dbl(ge_p1p1 *, const ge_p3 *);
static void ge_sub(ge_p1p1 *, const ge_p3 *, const ge_cached *);
static void fe_divpowm1(fe, const fe, const fe);
""")
fe_comments = textwrap.dedent("""\
/*
fe means field element.
Here the field is \Z/(2^255-19).
An element t, entries t[0]...t[9], represents the integer
t[0]+2^26 t[1]+2^51 t[2]+2^77 t[3]+2^102 t[4]+...+2^230 t[9].
Bounds on each t[i] vary depending on context.
*/
""")
sc_comments = textwrap.dedent("""\
/*
*
* sc code
*
*
The set of scalars is \Z/l
where l = 2^252 + 27742317777372353535851937790883648493.
This is the order of the curve ed25519.
The point is that if a is a scalar and P is a point,
and b is congruent to a mod l, then aP = bP.
Thus, reducing mod l can possibly give you a smaller scalar,
so your elliptic curve operations take less time
*/
""")
ge_comments = textwrap.dedent("""\
/*
*
* ge code
*
*
ge means group element.
Here the group is the set of pairs (x,y) of field elements (see fe.h)
satisfying -x^2 + y^2 = 1 + d x^2y^2
where d = -121665/121666.
Representations:
ge_p2 (projective): (X:Y:Z) satisfying x=X/Z, y=Y/Z
ge_p3 (extended): (X:Y:Z:T) satisfying x=X/Z, y=Y/Z, XY=ZT
ge_p1p1 (completed): ((X:Z),(Y:T)) satisfying x=X/Z, y=Y/T
ge_precomp (Duif): (y+x,y-x,2dxy)
*/
""")
xmr_comments = textwrap.dedent("""\
/*
*
* xmr specific code
*
*
This code is from the original CryptoNote.
Some additional functions were needed to compute ring signatures
which are not needed for signing.
Note that sc_sub and sc_mulsub have been given their own file
since these have been rewritten
*/
""")
def qhasmToC(fi, header, out):
#replaces mentiones of "header" in "fi" with output in "out"
#also removes qhasm comments
out1 = out+".tmp"
rem_qhasm = " |grep -v 'qhasm' |grep -v ' asm'"
com = "sed -e '/#include \""+header+"\"/ {' -e 'r "+header+"' -e 'd' -e '}' "+fi+rem_qhasm+" > "+out1
com2 = "awk 'NF' "+out1+" > "+out
print(com)
os.system(com)
print(com2)
os.system(com2)
os.remove(out1) #temporary
while (a != "m") and (a != "m") and (a != "c"):
a = raw_input("Make / Clean/ Quit m / c / q?")
if a == "m":
print("making crypto-ops.c and crypto-ops.h")
#ref10 header files
#ref10 c files
#fe things
#still need to do d2, d, sqrtm1
print("making fe.c")
print(fe_comments)
fe = glob.glob("fe*.c")
for g in fe:
os.system("cp "+g+" "+g.replace("fe", "fe.monero."))
qhasmToC("fe_pow22523.c", "pow22523.h", "fe.monero._pow22523.c")
qhasmToC("fe_invert.c", "pow225521.h", "fe.monero._invert.c")
os.system("rm fe.monero._isnonzero.c") #since it's modified, it's in xmrSpecificOld
os.system("cat fe.monero.*.c | grep -v '^#include' > fe.monero.c")
#sc things
print("\nmaking sc.c")
print(sc_comments)
#so you don't get multiple "loads"
os.system("tail -n +24 sc_reduce.c > sc.monero._reduce.c") #also good on linux
os.system("tail -n +24 sc_muladd.c > sc.monero._muladd.c")
os.system("tail -n +31 sc_sub.xmr.c > sc.monero._sub.xmr.c") #careful with the tails if you change these files!
os.system("cat sc.monero.*.c | grep -v '^#include' > sc.monero.c")
#ge stuff
print("making ge.c")
ge = glob.glob("ge*.c")
for g in ge:
os.system("cp "+g+" "+g.replace("ge", "ge.monero."))
print(ge_comments)
#need to substitute the below lines for their .h files in the appropriate places
qhasmToC("ge_add.c", "ge_add.h", "ge.monero._add.c")
qhasmToC("ge_madd.c", "ge_madd.h", "ge.monero._madd.c")
qhasmToC("ge_sub.c", "ge_sub.h", "ge.monero._sub.c")
qhasmToC("ge_msub.c", "ge_msub.h", "ge.monero._msub.c")
qhasmToC("ge_p2_dbl.c", "ge_p2_dbl.h", "ge.monero._p2_dbl.c")
qhasmToC("ge_frombytes.c", "d.h", "ge.monero._frombytes.c")
qhasmToC("ge.monero._frombytes.c", "sqrtm1.h", "ge.monero._frombytes.c")
qhasmToC("ge_p3_to_cached.c", "d2.h", "ge.monero._p3_to_cached.c")
#also ge_double_scalarmult needs base2.h for ge_precomp Bi
#note, base2.h is a large file!
#also in ge_scalarmult_base ge_precomp base needs base.h included
qhasmToC("ge_double_scalarmult.c", "base2.h", "ge.monero._double_scalarmult.c")
qhasmToC("ge_scalarmult_base.c", "base.h", "ge.monero._scalarmult_base.c")
#qhasmToC("ge.monero._scalarmult_base.c", "base.h", "ge.monero._scalarmult_base.c")
os.system("sed -i 's/ cmov/ ge_precomp_cmov/g' ge.monero._scalarmult_base.c")
os.system("cat ge.monero.*.c | grep -v '^#include' > ge.monero.c")
print("making crypto-ops.c")
#sqrtm1 things
#comments
with open("fe.monero.comments", "w") as text_file:
text_file.write(fe_comments)
with open("ge.monero.comments", "w") as text_file:
text_file.write(ge_comments)
with open("sc.monero.comments", "w") as text_file:
text_file.write(sc_comments)
with open("xmr.monero.comments", "w") as text_file:
text_file.write(xmr_comments)
with open("xmr.monero.predeclarations", "w") as text_file:
text_file.write(predeclarations)
#license
with open("monero.license", "w") as text_file:
text_file.write(license)
#crypto-ops.c includes
with open("crypto-ops.monero.includes", "w") as text_file:
text_file.write(crypto_ops_includes)
#note you may have duplicates of load_3, load_4 and possibly some other functions ...
os.system("cat monero.license crypto-ops.monero.includes xmr.monero.predeclarations fe.monero.comments fe.monero.c sc.monero.comments sc.monero.c ge.monero.comments ge.monero.c xmr.monero.comments xmrSpecificOld.c > crypto-ops.c")
#monero specific header files
#print("making crypto-ops-tmp.h")
#os.system("cat fe.h ge.h sc.h |grep -v crypto_sign_ed25519 |grep -v fe.h > crypto-ops-tmp.h")
#we'll just use the old header crypto-ops.h
#replace crypto_ints
os.system("sed -i 's/crypto_int32/int32_t/g' crypto-ops.c")
os.system("sed -i 's/crypto_int64/int64_t/g' crypto-ops.c")
os.system("sed -i 's/crypto_uint32/uint32_t/g' crypto-ops.c")
os.system("sed -i 's/crypto_uint64/uint64_t/g' crypto-ops.c")
#cleaning up
os.system("rm *monero*")
#monero specific c files
if a == "c":
#turn the directory back into ref10
os.system("rm *monero*")
os.system("rm crypto-ops.c")