def special_signing(
kL, kR, A, M
): # private/secret key left and right sides kL & kR, public key A, and message M in bytes
r = h512(kR + M)
r = int.from_bytes(r, 'little') % ed25519.l # base order n
R = ed25519.encodepoint(ed25519.scalarmultbase(r))
x = int.from_bytes(h512(R + A + M), 'little')
S = ed25519.encodeint((r + (x * int.from_bytes(kL, 'little'))) % ed25519.l)
return R + S
def intToHex(i):
return binascii.hexlify(ed25519.encodeint(i)) #hexlify does bytes to hex
def Signature(m, sk): #note this seems to return nicely sized version of the signature #contrast with, i.e. tweetnacl.. sk2 = ed25519.encodeint(MiniNero.hexToInt(sk)) pk = ed25519.publickey(sk2) return binascii.hexlify(ed25519.signature(m, sk2, pk))
def HexSigningPubKey(s): return binascii.hexlify(ed25519.publickey(ed25519.encodeint(MiniNero.hexToInt(s))))
def Signature(m, sk): sk2 = ed25519.encodeint(MiniNero.hexToInt(sk)) pk = ed25519.publickey(sk2) return binascii.hexlify(ed25519.signature(m, sk2, pk))
def HexSigningPubKey(s): return binascii.hexlify(ed25519.publickey(ed25519.encodeint(MiniNero.hexToInt(s))))
def Signature(m, sk): #note this seems to return nicely sized version of the signature #contrast with, i.e. tweetnacl.. sk2 = ed25519.encodeint(MiniNero.hexToInt(sk)) pk = ed25519.publickey(sk2) return binascii.hexlify(ed25519.signature(m, sk2, pk))
def Signature(m, sk):
sk2 = ed25519.encodeint(MiniNero.hexToInt(sk))
pk = ed25519.publickey(sk2)
return binascii.hexlify(ed25519.signature(m, sk2, pk))
def intToHex(i):
return binascii.hexlify(ed25519.encodeint(i)) #hexlify does bytes to hex
def int2hex(int):
## converts an integer to a little endian encoded hex string
return hexlify(ed25519.encodeint(int))
import ed25519
sk = 32 * chr(0)
pk = ed25519.publickey(sk)
print "publickey for 0 is", pk.encode('hex')
for i in [0, 1, 10]:
print "encodeint %d = %s" % (i, ed25519.encodeint(i).encode('hex'))
for p in [
(0, 0), (1, 1), (10, 0), (1, 10),
(9639205628789703341510410801487549615560488670885798085067615194958049462616,
18930617471878267742194159801949745215346600387277955685031939302387136031291
)
]:
print "encodepoint %s = %s" % (repr(p),
ed25519.encodepoint(p).encode('hex'))
msg = "This is a secret message"
sig = ed25519.signature(msg, sk, pk)
print 'signature("%s") = %s' % (msg, sig.encode('hex'))
try:
ed25519.checkvalid(sig, msg, pk)
print 'check signature result: true'
except:
print 'check signature result: false'
