+ # this specialisation means we can generate files
+ # compatible with old secnet executables
+ def forsites(self,version,xcopy,fs):
+ if version < 2:
+ return ['pubkey', str(self.l), self.e, self.n]
+ return pubkey.forsites(self,version,xcopy,fs)
+
+class rsakey_newfmt(rsakey):
+ "An old-style RSA public key in new-style sites format"
+ # This is its own class simply to have its own constructor.
+ def __init__(self,w):
+ self.a=w[1].name()
+ assert(self.a == 'rsa1')
+ self.d=w[2].base91()
+ try:
+ w_inner=list(map(Tainted,
+ ['X-PUB-RSA1'] +
+ base91s_decode(self.d)
+ .decode('ascii')
+ .split(' ')))
+ except UnicodeDecodeError:
+ complain('rsa1 key in new format has bad base91')
+ #print(repr(w_inner), file=sys.stderr)
+ rsakey.__init__(self,w_inner)
+def somepubkey(w):
+ if w[0]=='pubkey':
+ return rsakey(w)
+ elif w[0]=='pub' and w[1]=='rsa1':
+ return rsakey_newfmt(w)
+ elif w[0]=='pub':
+ return pubkey(w)
+ else:
+ assert(False)