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smartpgp-cli: add switch commands for RSA

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This commit is contained in:
Arnaud Fontaine 2021-07-15 10:37:17 +02:00
parent f66c46b61d
commit af148332b5
3 changed files with 55 additions and 3 deletions
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4
bin/smartpgp-cli
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@ -30,7 +30,9 @@ VALID_COMMANDS={
'list-readers':CardConnectionContext.cmd_list_readers,
'full-reset': CardConnectionContext.cmd_full_reset,
'reset': CardConnectionContext.cmd_reset,
'switch-rsa': CardConnectionContext.cmd_switch_rsa2048,
'switch-rsa2048': CardConnectionContext.cmd_switch_rsa2048,
'switch-rsa3072': CardConnectionContext.cmd_switch_rsa3072,
'switch-rsa4096': CardConnectionContext.cmd_switch_rsa4096,
'switch-bp256':CardConnectionContext.cmd_switch_bp256,
'switch-bp384':CardConnectionContext.cmd_switch_bp384,
'switch-bp512':CardConnectionContext.cmd_switch_bp512,

48
bin/smartpgp/commands.py
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@ -180,7 +180,7 @@ def reset_card(connection):
_raw_send_apdu(connection,"Terminate",TERMINATE)
_raw_send_apdu(connection,"Activate",ACTIVATE)
def switch_crypto_rsa(connection,key_role):
def switch_crypto_rsa_2048(connection,key_role):
data = [
0x01, # RSA
0x08, 0x00, # 2048 bits modulus
@ -200,12 +200,56 @@ def switch_crypto_rsa(connection,key_role):
apdu = assemble_with_len(prefix, data)
_raw_send_apdu(connection,"Switch to RSA2048 (%s)" % (key_role,),apdu)
def switch_crypto_rsa_3072(connection,key_role):
data = [
0x01, # RSA
0x0C, 0x00, # 3072 bits modulus
0x00, 0x11, # 65537 - 17 bits public exponent
0x03] # crt form with modulus
if key_role == 'sig':
role = 0xc1
elif key_role == 'dec':
role = 0xc2
elif key_role == 'auth':
role = 0xc3
elif key_role == 'sm':
role = 0xd4
else:
raise WrongKeyRole
prefix = [0x00, 0xDA, 0x00] + [role]
apdu = assemble_with_len(prefix, data)
_raw_send_apdu(connection,"Switch to RSA3072 (%s)" % (key_role,),apdu)
def switch_crypto_rsa_4096(connection,key_role):
data = [
0x01, # RSA
0x10, 0x00, # 4096 bits modulus
0x00, 0x11, # 65537 - 17 bits public exponent
0x03] # crt form with modulus
if key_role == 'sig':
role = 0xc1
elif key_role == 'dec':
role = 0xc2
elif key_role == 'auth':
role = 0xc3
elif key_role == 'sm':
role = 0xd4
else:
raise WrongKeyRole
prefix = [0x00, 0xDA, 0x00] + [role]
apdu = assemble_with_len(prefix, data)
_raw_send_apdu(connection,"Switch to RSA4096 (%s)" % (key_role,),apdu)
def switch_crypto(connection,crypto,key_role):
alg_name = None
role = None
# treat RSA differently
if crypto=='rsa2048' or crypto=='RSA2048' or crypto=='rsa' or crypto=='RSA':
return switch_crypto_rsa(connection,key_role)
return switch_crypto_rsa_2048(connection,key_role)
if crypto=='rsa3072' or crypto=='RSA3072' or crypto=='rsa' or crypto=='RSA':
return switch_crypto_rsa_3072(connection,key_role)
if crypto=='rsa4096' or crypto=='RSA4096' or crypto=='rsa' or crypto=='RSA':
return switch_crypto_rsa_4096(connection,key_role)
# this code is only for elliptic curves
try:
alg_name = ALGS_ALIASES[crypto]

6
bin/smartpgp/highlevel.py
View File

@ -146,6 +146,12 @@ class CardConnectionContext:
def cmd_switch_rsa2048(self):
self.cmd_switch_all_crypto('rsa2048')
def cmd_switch_rsa3072(self):
self.cmd_switch_all_crypto('rsa3072')
def cmd_switch_rsa4096(self):
self.cmd_switch_all_crypto('rsa4096')
def cmd_generate_sm_key(self):
if not self.output:
print "Missing output file name"