xref: /openbmc/qemu/qapi/crypto.json (revision c80f6e9c)
1# -*- Mode: Python -*-
2#
3# QAPI crypto definitions
4
5##
6# QCryptoTLSCredsEndpoint:
7#
8# The type of network endpoint that will be using the credentials.
9# Most types of credential require different setup / structures
10# depending on whether they will be used in a server versus a
11# client.
12#
13# @client: the network endpoint is acting as the client
14#
15# @server: the network endpoint is acting as the server
16#
17# Since: 2.5
18##
19{ 'enum': 'QCryptoTLSCredsEndpoint',
20  'prefix': 'QCRYPTO_TLS_CREDS_ENDPOINT',
21  'data': ['client', 'server']}
22
23
24##
25# QCryptoSecretFormat:
26#
27# The data format that the secret is provided in
28#
29# @raw: raw bytes. When encoded in JSON only valid UTF-8 sequences can be used
30# @base64: arbitrary base64 encoded binary data
31# Since: 2.6
32##
33{ 'enum': 'QCryptoSecretFormat',
34  'prefix': 'QCRYPTO_SECRET_FORMAT',
35  'data': ['raw', 'base64']}
36
37
38##
39# QCryptoHashAlgorithm:
40#
41# The supported algorithms for computing content digests
42#
43# @md5: MD5. Should not be used in any new code, legacy compat only
44# @sha1: SHA-1. Should not be used in any new code, legacy compat only
45# @sha256: SHA-256. Current recommended strong hash.
46# Since: 2.6
47##
48{ 'enum': 'QCryptoHashAlgorithm',
49  'prefix': 'QCRYPTO_HASH_ALG',
50  'data': ['md5', 'sha1', 'sha256']}
51
52
53##
54# QCryptoCipherAlgorithm:
55#
56# The supported algorithms for content encryption ciphers
57#
58# @aes-128: AES with 128 bit / 16 byte keys
59# @aes-192: AES with 192 bit / 24 byte keys
60# @aes-256: AES with 256 bit / 32 byte keys
61# @des-rfb: RFB specific variant of single DES. Do not use except in VNC.
62# @cast5-128: Cast5 with 128 bit / 16 byte keys
63# @serpent-128: Serpent with 128 bit / 16 byte keys
64# @serpent-192: Serpent with 192 bit / 24 byte keys
65# @serpent-256: Serpent with 256 bit / 32 byte keys
66# @twofish-128: Twofish with 128 bit / 16 byte keys
67# @twofish-192: Twofish with 192 bit / 24 byte keys
68# @twofish-256: Twofish with 256 bit / 32 byte keys
69# Since: 2.6
70##
71{ 'enum': 'QCryptoCipherAlgorithm',
72  'prefix': 'QCRYPTO_CIPHER_ALG',
73  'data': ['aes-128', 'aes-192', 'aes-256',
74           'des-rfb',
75           'cast5-128',
76           'serpent-128', 'serpent-192', 'serpent-256',
77           'twofish-128', 'twofish-192', 'twofish-256']}
78
79
80##
81# QCryptoCipherMode:
82#
83# The supported modes for content encryption ciphers
84#
85# @ecb: Electronic Code Book
86# @cbc: Cipher Block Chaining
87# @xts: XEX with tweaked code book and ciphertext stealing
88# Since: 2.6
89##
90{ 'enum': 'QCryptoCipherMode',
91  'prefix': 'QCRYPTO_CIPHER_MODE',
92  'data': ['ecb', 'cbc', 'xts']}
93
94
95##
96# QCryptoIVGenAlgorithm:
97#
98# The supported algorithms for generating initialization
99# vectors for full disk encryption. The 'plain' generator
100# should not be used for disks with sector numbers larger
101# than 2^32, except where compatibility with pre-existing
102# Linux dm-crypt volumes is required.
103#
104# @plain: 64-bit sector number truncated to 32-bits
105# @plain64: 64-bit sector number
106# @essiv: 64-bit sector number encrypted with a hash of the encryption key
107# Since: 2.6
108##
109{ 'enum': 'QCryptoIVGenAlgorithm',
110  'prefix': 'QCRYPTO_IVGEN_ALG',
111  'data': ['plain', 'plain64', 'essiv']}
112
113##
114# QCryptoBlockFormat:
115#
116# The supported full disk encryption formats
117#
118# @qcow: QCow/QCow2 built-in AES-CBC encryption. Use only
119#        for liberating data from old images.
120# @luks: LUKS encryption format. Recommended for new images
121#
122# Since: 2.6
123##
124{ 'enum': 'QCryptoBlockFormat',
125#  'prefix': 'QCRYPTO_BLOCK_FORMAT',
126  'data': ['qcow', 'luks']}
127
128##
129# QCryptoBlockOptionsBase:
130#
131# The common options that apply to all full disk
132# encryption formats
133#
134# @format: the encryption format
135#
136# Since: 2.6
137##
138{ 'struct': 'QCryptoBlockOptionsBase',
139  'data': { 'format': 'QCryptoBlockFormat' }}
140
141##
142# QCryptoBlockOptionsQCow:
143#
144# The options that apply to QCow/QCow2 AES-CBC encryption format
145#
146# @key-secret: #optional the ID of a QCryptoSecret object providing the
147#              decryption key. Mandatory except when probing image for
148#              metadata only.
149#
150# Since: 2.6
151##
152{ 'struct': 'QCryptoBlockOptionsQCow',
153  'data': { '*key-secret': 'str' }}
154
155##
156# QCryptoBlockOptionsLUKS:
157#
158# The options that apply to LUKS encryption format
159#
160# @key-secret: #optional the ID of a QCryptoSecret object providing the
161#              decryption key. Mandatory except when probing image for
162#              metadata only.
163# Since: 2.6
164##
165{ 'struct': 'QCryptoBlockOptionsLUKS',
166  'data': { '*key-secret': 'str' }}
167
168
169##
170# QCryptoBlockCreateOptionsLUKS:
171#
172# The options that apply to LUKS encryption format initialization
173#
174# @cipher-alg: #optional the cipher algorithm for data encryption
175#              Currently defaults to 'aes'.
176# @cipher-mode: #optional the cipher mode for data encryption
177#               Currently defaults to 'cbc'
178# @ivgen-alg: #optional the initialization vector generator
179#             Currently defaults to 'essiv'
180# @ivgen-hash-alg: #optional the initialization vector generator hash
181#                  Currently defaults to 'sha256'
182# @hash-alg: #optional the master key hash algorithm
183#            Currently defaults to 'sha256'
184# Since: 2.6
185##
186{ 'struct': 'QCryptoBlockCreateOptionsLUKS',
187  'base': 'QCryptoBlockOptionsLUKS',
188  'data': { '*cipher-alg': 'QCryptoCipherAlgorithm',
189            '*cipher-mode': 'QCryptoCipherMode',
190            '*ivgen-alg': 'QCryptoIVGenAlgorithm',
191            '*ivgen-hash-alg': 'QCryptoHashAlgorithm',
192            '*hash-alg': 'QCryptoHashAlgorithm'}}
193
194
195##
196# QCryptoBlockOpenOptions:
197#
198# The options that are available for all encryption formats
199# when opening an existing volume
200#
201# Since: 2.6
202##
203{ 'union': 'QCryptoBlockOpenOptions',
204  'base': 'QCryptoBlockOptionsBase',
205  'discriminator': 'format',
206  'data': { 'qcow': 'QCryptoBlockOptionsQCow',
207            'luks': 'QCryptoBlockOptionsLUKS' } }
208
209
210##
211# QCryptoBlockCreateOptions:
212#
213# The options that are available for all encryption formats
214# when initializing a new volume
215#
216# Since: 2.6
217##
218{ 'union': 'QCryptoBlockCreateOptions',
219  'base': 'QCryptoBlockOptionsBase',
220  'discriminator': 'format',
221  'data': { 'qcow': 'QCryptoBlockOptionsQCow',
222            'luks': 'QCryptoBlockCreateOptionsLUKS' } }
223