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keymaker finished?

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operator-time
quadrismegistus 4 years ago
parent 697ed889e9
commit cd901b65c3
1 changed files with 47 additions and 157 deletions
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204
komrade/backend/keymaker.py
Unescape Escape View File

@ -63,142 +63,69 @@ class Keymaker(Logger):
return key
except ThemisError as e:
self.log('!! decryption failed:',e)
# def assemble_key(self, key_encr, key_decr, passphrases={}, keychain_encr={}, keychain_decr={}, keyname=''):
# key_decr_decr_key,key_decr_decr_cell = self.getkey_decr_decr_keycell(passphrases=passphrases,keyname=keyname)
# self.log(f'about to decrypt {key_decr_encr} ({keyname}) with cell {key_decr_decr_cell}')
# try:
# key_decr = key_decr_decr_cell.decrypt(key_decr_encr)
# except ThemisError as e:
# self.log('!!',e)
# return
# self.log(f'{keyname}bkey_decr <--',pubkey_decr)
# return pubkey_decr
def buildkey(self, uri, passphrases={}, keychain_encr={}, keychain_decr={}, keyname='pubkey'):
# if the decryption keys have been provided to me
key_decr = None
key_encr = None
if keychain_decr:
# get the relevant decryption key
key_decr = keychain_decr.get(f'{keyname}_decr'):
# see if I have the right encrypted key
key_encr = self.getkey_encr(uri, keyname=keyname+'_encr', **kwargs)
# conversely, if the encryption keys have been provided to me
elif keychain_encr:
# get the relevant encryption key
key_encr = keychain_encr.get(f'{keyname}_encr'):
# see if I have the right decryption key stored
key_decr = self.getkey_decr(uri, keyname=keyname, )
# then, once I have both: put them together
if not key_decr and not key_encr: return
try:
key = SCellSeal(key=key_decr).decrypt(key_encr)
except ThemisError as e:
self.log('key recovery failed',e)
return key
# Concrete keys
## (1) Final keys
def pubkey(self, **kwargs):
return self.getkey(uri=self.name,keyname='pub',**kwargs)
return self.getkey(keyname='pubkey',uri=self.name,**kwargs)
def privkey(self, **kwargs):
return self.getkey(uri=self.pubkey(**kwargs),keyname='priv',**kwargs)
return self.getkey(keyname='privkey',uri=self.pubkey(**kwargs),**kwargs)
def adminkey(self, **kwargs):
return self.getkey(uri=self.privkey(**kwargs),keyname='admin',**kwargs)
## (1-X) ENCRYPTED KEYS
def getkey_encr(self, uri, passphrases={}, keychain_decr={}, keyname='pub_encr'):
# can I find the key?
found_key = self.crypt_keys.get(uri,prefix=f'/{keyname}/')
if found_key: return found_key
# otherwise, get it by encrypting its components?
key_made = self.buildkey_encr(passphrases=passphrases)
if key_made: return key_made
# flag error
self.log(f'!! could not get {keyname}key_encr')
return self.getkey(keyname='adminkey',uri=self.privkey(**kwargs),**kwargs)
## (1-X) Encrypted halves
def pubkey_encr(self, **kwargs):
return self.getkey_encr(uri=self.name,keyname='pub',**kwargs)
return self.getkey(uri=self.name,keyname='pubkey_encr',**kwargs)
def privkey_encr(self, **kwargs):
return self.getkey(uri=self.pubkey_encr(**kargs),keyname='priv',**kwargs)
return self.getkey(uri=self.pubkey_encr(**kargs),keyname='privkey_encr',**kwargs)
def adminkey_encr(self, **kwargs):
return self.getkey(uri=self.privkey_encr(**kargs),keyname='admin',**kwargs)
def buildkey_encr(self, passphrases={}, keyname='pub'):
# get decrypted key
key_encr_decr = self.getkey_encr_decr(keyname=keyname)
# get encrypted key
key_encr_encr_key,key_encr_encr_cell = self.getkey_encr_encr_keycell(passphrases=passphrases,keyname=keyname)
self.log(f'about to encrypt {key_encr_decr} ({keyname}) with cell {key_encr_encr_cell}')
try:
key_encr = key_encr_encr_cell.encrypt(key_encr_decr)
except ThemisError as e:
self.log('!!',e)
return
self.log(f'{keyname}bkey_encr <--',pubkey_encr)
return pubkey_encr
return self.getkey(uri=self.privkey_encr(**kargs),keyname='adminkey_encr',**kwargs)
### (1-Y) DECRYPTION KEYS
def getkey_decr(self, uri, passphrases={}, keychain_encr={}, keyname=''):
# can I find the key?
found_key = self.crypt_keys.get(uri,prefix=f'/{keyname}_decr/')
if found_key: return found_key
# otherwise, get it by decrypting its components?
key_made = self.buildkey_decr(passphrases=passphrases)
if key_made: return key_made
# flag error
self.log(f'!! could not get {keyname}key_decr')
## (1-Y) Decrpytor halves
def pubkey_decr(self, **kwargs):
return self.getkey_decr(uri=self.name,keyname='pub',**kwargs)
return self.getkey(uri=self.name,keyname='pubkey_decr',**kwargs)
def privkey_decr(self, **kwargs):
return self.getkey(uri=self.pubkey_decr(**kargs),keyname='priv',**kwargs)
return self.getkey(uri=self.pubkey_decr(**kargs),keyname='privkey_decr',**kwargs)
def adminkey_decr(self, **kwargs):
return self.getkey(uri=self.privkey_decr(**kargs),keyname='admin',**kwargs)
def buildkey_decr(self, passphrases={}, keyname='pub'):
# get encrypted key
key_decr_encr = self.getkey_decr_encr(keyname=keyname)
# get decrypted key
key_decr_decr_key,key_decr_decr_cell = self.getkey_decr_decr_keycell(passphrases=passphrases,keyname=keyname)
self.log(f'about to decrypt {key_decr_encr} ({keyname}) with cell {key_decr_decr_cell}')
try:
key_decr = key_decr_decr_cell.decrypt(key_decr_encr)
except ThemisError as e:
self.log('!!',e)
return
self.log(f'{keyname}bkey_decr <--',pubkey_decr)
return pubkey_decr
## MAGIC KEY ATTRIBUTES
# loading keys back
### DECR DECR KEYCELL
return self.getkey(uri=self.privkey_decr(**kargs),keyname='adminkey_decr',**kwargs)
## Second halving!
## (1-X-X)
def pubkey_encr_encr(self, **kwargs):
return self.getkey(uri=self.name,keyname='pubkey_encr_encr',**kwargs)
def privkey_encr_encr(self, **kwargs):
return self.getkey(uri=self.pubkey_encr_encr(**kargs),keyname='privkey_encr_encr',**kwargs)
def adminkey_encr_encr(self, **kwargs):
return self.getkey(uri=self.privkey_encr_encr(**kargs),keyname='adminkey_encr_encr',**kwargs)
## (1-X-Y)
def pubkey_encr_decr(self, **kwargs):
return self.getkey(uri=self.name,keyname='pubkey_encr_decr',**kwargs)
def privkey_encr_decr(self, **kwargs):
return self.getkey(uri=self.pubkey_encr_decr(**kargs),keyname='privkey_encr_decr',**kwargs)
def adminkey_encr_decr(self, **kwargs):
return self.getkey(uri=self.privkey_encr_decr(**kargs),keyname='adminkey_encr_decr',**kwargs)
## (1-Y-X)
def pubkey_decr_encr(self, **kwargs):
return self.getkey(uri=self.name,keyname='pubkey_decr_encr',**kwargs)
def privkey_decr_encr(self, **kwargs):
return self.getkey(uri=self.pubkey_decr_encr(**kargs),keyname='privkey_decr_encr',**kwargs)
def adminkey_decr_encr(self, **kwargs):
return self.getkey(uri=self.privkey_decr_encr(**kargs),keyname='adminkey_decr_encr',**kwargs)
## (1-Y-Y)
def pubkey_decr_decr(self, **kwargs):
return self.getkey(uri=self.name,keyname='pubkey_decr_decr',**kwargs)
def privkey_decr_decr(self, **kwargs):
return self.getkey(uri=self.pubkey_decr_decr(**kargs),keyname='privkey_decr_decr',**kwargs)
def adminkey_decr_decr(self, **kwargs):
return self.getkey(uri=self.privkey_decr_decr(**kargs),keyname='adminkey_decr_decr',**kwargs)
### DECR ENCR KEYS
## Third level: splitting (encrypted/decryption key) the encrypted keys and decryption keys above
def getkey_decr_encr(self,crypt_key = None,keyname='pub'):
if not crypt_key: crypt_key = self.name
key_decr_encr = self.crypt_keys.get(self.name,prefix=f'/{keyname}_decr_encr/')
self.log(f'{keyname}key_decr_encr <--',key_decr_encr)
return key_decr_encr
def pubkey_decr_encr(self,passphrases={}):
return self.getkey_decr_encr(crypt_key=self.name, keyname='pub')
def privkey_decr_encr(self,passphrases={}):
pubkey_decr = self.pubkey_decr(passphrase=passphrase)
return self.getkey_decr_encr(crypt_key=pubkey_decr, keyname='priv')
def adminkey_decr_encr(self,passphrases={}):
privkey_decr=self.privkey_decr(passphrase=passphrase)
return self.getkey_decr_encr(crypt_key=privkey_decr, keyname='admin')
# Get key de-cryptors
@ -215,40 +142,3 @@ class Keymaker(Logger):
self.log(f'pass_cell [{q_name}] <--',pass_cell)
return (pass_key, pass_cell)
def getkey_decr_keycell(self, passphrases={}, keyname='pub_decr_decr_key'):
# get or make
decr_key = None
decr_cell = None
passphrase=passphrases.get(keyname+'_pass')
if passphrase:
decr_key=None
decr_cell = SCellSeal(passphrase=passphrase)
return (decr_key,decr_cell)
# do I have a decryption key stored?
decr_key = self.crypt_keys.get(self.name,prefix=f'/{keyname}/')
if decr_key:
decr_cell = SCellSeal(key=decr_key)
return (decr_key,decr_cell)
# otherwise, make a new decryption key and cell
if not decr_cell:
return self.genkey_pass_keycell()
return (decr_key,decr_cell)
def pubkey_decr_decr_keycell(self,passphrases={}):
return self.getkey_decr_decr_keycell(passphrase=passphrase, keyname='pub')
def privkey_decr_decr_keycell(self,passphrases={}):
return self.getkey_decr_decr_keycell(passphrase=passphrase, keyname='priv')
def adminkey_decr_decr_keycell(self,passphrases={}):
return self.getkey_decr_decr_keycell(passphrase=passphrase, keyname='admin')
### DECR KEYS

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