1 files changed, 253 insertions, 0 deletions
diff --git a/libtomcrypt/notes/rsa-testvectors/rt.py b/libtomcrypt/notes/rsa-testvectors/rt.py
new file mode 100755
index 0000000..3f6ab7f
--- /dev/null
+++ b/libtomcrypt/notes/rsa-testvectors/rt.py
@@ -0,0 +1,253 @@
+#!/usr/bin/env python
+
+import sys
+import os
+import hashlib
+
+def md5_for_file(path, block_size=256*128):
+	'''
+	Block size directly depends on the block size of your filesystem
+	to avoid performances issues
+	Here I have blocks of 4096 octets (Default NTFS)
+	'''
+	md5 = hashlib.md5()
+	with open(path,'rb') as f:
+		for chunk in iter(lambda: f.read(block_size), b''):
+			md5.update(chunk)
+	f.close()
+	return md5.hexdigest()
+
+def read_until_ends(f, s):
+	while True:
+		l = f.readline()
+		if l.strip().endswith(s):
+			break
+	return l
+
+def read_until_start(f, s):
+	while True:
+		l = f.readline()
+		if l.startswith(s):
+			break
+	return l
+
+def read_hex(f):
+	t = []
+	while True:
+		l = f.readline()
+		if l.strip() == '':
+			break
+		t.extend(l.strip().split(' '))
+	return t
+
+class NamedData(object):
+	def __init__(self, name, data):
+		self.name = name
+		self.data = data
+
+	def __str__(self):
+		return "  /* {0} */\n  {1},\n  {{ {2} }}\n".format(self.name, len(self.data), ', '.join('0x' + x for x in self.data))
+
+def read_part(f, s):
+	name = read_until_start(f, s).strip().lstrip('# ').rstrip(':')
+	data = read_hex(f)
+	e = NamedData(name, data)
+	return e
+
+class RsaKey(object):
+	def __init__(self, n, e, d, p, q, dP, dQ, qInv):
+		self.n = n
+		self.e = e
+		self.d = d
+		self.p = p
+		self.q = q
+		self.dP = dP
+		self.dQ = dQ
+		self.qInv = qInv
+
+	def __str__(self):
+		return "{{\n{0},\n{1},\n{2},\n{3},\n{4},\n{5},\n{6},\n{7}\n}}\n".format(self.n, self.e, self.d, self.p, self.q, self.dP, self.dQ, self.qInv)
+
+def read_key(f):
+	if ftype.version == 1:
+		read_until_start(f, '# Private key')
+	n = read_part(f, ftype.n)
+	e = read_part(f, ftype.e)
+	d = read_part(f, ftype.d)
+	p = read_part(f, ftype.p)
+	q = read_part(f, ftype.q)
+	dP = read_part(f, ftype.dP)
+	dQ = read_part(f, ftype.dQ)
+	qInv = read_part(f, ftype.qInv)
+	k = RsaKey(n, e, d, p, q, dP, dQ, qInv)
+	return k
+
+class Data(object):
+	def __init__(self, name, obj1, obj2, obj3):
+		self.name = name
+		self.obj1 = obj1
+		self.obj2 = obj2
+		self.obj3 = obj3
+
+	def __str__(self):
+		if self.obj3 == None:
+			return "{{\n  \"{0}\",\n{1},\n{2}\n}}\n,".format(self.name, self.obj1, self.obj2)
+		else:
+			return "{{\n  \"{0}\",\n{1},\n{2},\n{3}\n}}\n,".format(self.name, self.obj1, self.obj2, self.obj3)
+
+def read_data(f):
+	name = read_until_start(f, ftype.o).strip().lstrip('# ')
+	obj1 = read_part(f, ftype.o1)
+	obj2 = read_part(f, ftype.o2)
+	if ftype.name == 'emsa':
+		obj3 = None
+	else:
+		obj3 = read_part(f, ftype.o3)
+	s = Data(name, obj1, obj2, obj3)
+	return s
+
+class Example(object):
+	def __init__(self, name, key, data):
+		self.name = name
+		self.key = key
+		self.data = data
+
+	def __str__(self):
+		res = "{{\n  \"{0}\",\n{1},\n{{".format(self.name, str(self.key))
+		for idx, d in enumerate(self.data, 1):
+			if idx == 2:
+				res += '#ifdef LTC_TEST_EXT\n'
+			res += str(d) + '\n'
+			if idx == ftype.numcases:
+				res += '#endif /* LTC_TEST_EXT */\n'
+		res += '}\n},'
+		return res
+
+def read_example(f):
+	name = read_until_start(f, '# Example').strip().lstrip('# ')
+	key = read_key(f)
+	l = read_until_start(f, ftype.sod)
+	d = []
+	while l.strip().startswith(ftype.sod):
+		if ftype.version == 1:
+			f.seek(-len(l), os.SEEK_CUR)
+		data = read_data(f)
+		d.append(data)
+		l = read_until_start(f, '#')
+
+	e = Example(name, key, d)
+	f.seek(-len(l), os.SEEK_CUR)
+	return e
+
+
+class PkcsType(object):
+	def __init__(self, name):
+		if name == 'pss':
+			self.o = '# RSASSA-PSS Signature Example'
+			self.o1 = '# Message to be signed'
+			self.o2 = '# Salt'
+			self.o3 = '# Signature'
+		elif name == 'oaep':
+			self.o = '# RSAES-OAEP Encryption Example'
+			self.o1 = '# Message to be encrypted'
+			self.o2 = '# Seed'
+			self.o3 = '# Encryption'
+		elif name == 'emsa':
+			self.o = '# PKCS#1 v1.5 Signature Example'
+			self.o1 = '# Message to be signed'
+			self.o2 = '# Signature'
+		elif name == 'eme':
+			self.o = '# PKCS#1 v1.5 Encryption Example'
+			self.o1 = '# Message'
+			self.o2 = '# Seed'
+			self.o3 = '# Encryption'
+		else:
+			raise ValueError('Type unknown: ' + name)
+
+		if name == 'pss' or name == 'oaep':
+			self.version = 2
+			self.numcases = 6
+			self.n = '# RSA modulus n'
+			self.e = '# RSA public exponent e'
+			self.d = '# RSA private exponent d'
+			self.p = '# Prime p'
+			self.q = '# Prime q'
+			self.dP = '# p\'s CRT exponent dP'
+			self.dQ = '# q\'s CRT exponent dQ'
+			self.qInv = '# CRT coefficient qInv'
+			self.sod = '# --------------------------------'
+		elif name == 'emsa' or name == 'eme':
+			self.version = 1
+			self.numcases = 20
+			self.n = '# Modulus'
+			self.e = '# Public exponent'
+			self.d = '# Exponent'
+			self.p = '# Prime 1'
+			self.q = '# Prime 2'
+			self.dP = '# Prime exponent 1'
+			self.dQ = '# Prime exponent 2'
+			self.qInv = '# Coefficient'
+			self.sod = self.o
+		self.name = name
+
+ftype = PkcsType(sys.argv[2])
+
+print('/* Generated from file: %s\n * with md5 hash: %s\n */\n' % (sys.argv[1], md5_for_file(sys.argv[1])))
+print('''
+typedef struct rsaKey {
+  int n_l;
+  unsigned char n[256];
+  int e_l;
+  unsigned char e[256];
+  int d_l;
+  unsigned char d[256];
+  int p_l;
+  unsigned char p[256];
+  int q_l;
+  unsigned char q[256];
+  int dP_l;
+  unsigned char dP[256];
+  int dQ_l;
+  unsigned char dQ[256];
+  int qInv_l;
+  unsigned char qInv[256];
+} rsaKey_t;
+
+typedef struct rsaData {
+  const char* name;
+  int o1_l;
+  unsigned char o1[256];
+  int o2_l;
+  unsigned char o2[256];''')
+
+if ftype.name != 'emsa':
+	print('''  int o3_l;
+  unsigned char o3[256];''')
+
+print('''} rsaData_t;
+
+typedef struct testcase {
+  const char* name;
+  rsaKey_t rsa;
+#ifdef LTC_TEST_EXT
+  rsaData_t data[%d];
+#else
+  rsaData_t data[1];
+#endif /* LTC_TEST_EXT */
+} testcase_t;
+
+testcase_t testcases_%s[] =
+    {''' % (ftype.numcases, sys.argv[2]))
+
+with open(sys.argv[1], 'rb') as f:
+	ex = []
+	while read_until_ends(f, '============================================='):
+		if f.tell() == os.path.getsize(sys.argv[1]):
+			break
+		e = read_example(f)
+		ex.append(e)
+
+	for i in ex:
+		print(i)
+f.close()
+print('};\n')