xref: /openbmc/qemu/qapi/crypto.json (revision b70ce101)
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# @sha224: SHA-224. (since 2.7)
46# @sha256: SHA-256. Current recommended strong hash.
47# @sha384: SHA-384. (since 2.7)
48# @sha512: SHA-512. (since 2.7)
49# @ripemd160: RIPEMD-160. (since 2.7)
50# Since: 2.6
51##
52{ 'enum': 'QCryptoHashAlgorithm',
53  'prefix': 'QCRYPTO_HASH_ALG',
54  'data': ['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'ripemd160']}
55
56
57##
58# QCryptoCipherAlgorithm:
59#
60# The supported algorithms for content encryption ciphers
61#
62# @aes-128: AES with 128 bit / 16 byte keys
63# @aes-192: AES with 192 bit / 24 byte keys
64# @aes-256: AES with 256 bit / 32 byte keys
65# @des-rfb: RFB specific variant of single DES. Do not use except in VNC.
66# @cast5-128: Cast5 with 128 bit / 16 byte keys
67# @serpent-128: Serpent with 128 bit / 16 byte keys
68# @serpent-192: Serpent with 192 bit / 24 byte keys
69# @serpent-256: Serpent with 256 bit / 32 byte keys
70# @twofish-128: Twofish with 128 bit / 16 byte keys
71# @twofish-192: Twofish with 192 bit / 24 byte keys
72# @twofish-256: Twofish with 256 bit / 32 byte keys
73# Since: 2.6
74##
75{ 'enum': 'QCryptoCipherAlgorithm',
76  'prefix': 'QCRYPTO_CIPHER_ALG',
77  'data': ['aes-128', 'aes-192', 'aes-256',
78           'des-rfb',
79           'cast5-128',
80           'serpent-128', 'serpent-192', 'serpent-256',
81           'twofish-128', 'twofish-192', 'twofish-256']}
82
83
84##
85# QCryptoCipherMode:
86#
87# The supported modes for content encryption ciphers
88#
89# @ecb: Electronic Code Book
90# @cbc: Cipher Block Chaining
91# @xts: XEX with tweaked code book and ciphertext stealing
92# Since: 2.6
93##
94{ 'enum': 'QCryptoCipherMode',
95  'prefix': 'QCRYPTO_CIPHER_MODE',
96  'data': ['ecb', 'cbc', 'xts']}
97
98
99##
100# QCryptoIVGenAlgorithm:
101#
102# The supported algorithms for generating initialization
103# vectors for full disk encryption. The 'plain' generator
104# should not be used for disks with sector numbers larger
105# than 2^32, except where compatibility with pre-existing
106# Linux dm-crypt volumes is required.
107#
108# @plain: 64-bit sector number truncated to 32-bits
109# @plain64: 64-bit sector number
110# @essiv: 64-bit sector number encrypted with a hash of the encryption key
111# Since: 2.6
112##
113{ 'enum': 'QCryptoIVGenAlgorithm',
114  'prefix': 'QCRYPTO_IVGEN_ALG',
115  'data': ['plain', 'plain64', 'essiv']}
116
117##
118# QCryptoBlockFormat:
119#
120# The supported full disk encryption formats
121#
122# @qcow: QCow/QCow2 built-in AES-CBC encryption. Use only
123#        for liberating data from old images.
124# @luks: LUKS encryption format. Recommended for new images
125#
126# Since: 2.6
127##
128{ 'enum': 'QCryptoBlockFormat',
129#  'prefix': 'QCRYPTO_BLOCK_FORMAT',
130  'data': ['qcow', 'luks']}
131
132##
133# QCryptoBlockOptionsBase:
134#
135# The common options that apply to all full disk
136# encryption formats
137#
138# @format: the encryption format
139#
140# Since: 2.6
141##
142{ 'struct': 'QCryptoBlockOptionsBase',
143  'data': { 'format': 'QCryptoBlockFormat' }}
144
145##
146# QCryptoBlockOptionsQCow:
147#
148# The options that apply to QCow/QCow2 AES-CBC encryption format
149#
150# @key-secret: #optional the ID of a QCryptoSecret object providing the
151#              decryption key. Mandatory except when probing image for
152#              metadata only.
153#
154# Since: 2.6
155##
156{ 'struct': 'QCryptoBlockOptionsQCow',
157  'data': { '*key-secret': 'str' }}
158
159##
160# QCryptoBlockOptionsLUKS:
161#
162# The options that apply to LUKS encryption format
163#
164# @key-secret: #optional the ID of a QCryptoSecret object providing the
165#              decryption key. Mandatory except when probing image for
166#              metadata only.
167# Since: 2.6
168##
169{ 'struct': 'QCryptoBlockOptionsLUKS',
170  'data': { '*key-secret': 'str' }}
171
172
173##
174# QCryptoBlockCreateOptionsLUKS:
175#
176# The options that apply to LUKS encryption format initialization
177#
178# @cipher-alg: #optional the cipher algorithm for data encryption
179#              Currently defaults to 'aes'.
180# @cipher-mode: #optional the cipher mode for data encryption
181#               Currently defaults to 'cbc'
182# @ivgen-alg: #optional the initialization vector generator
183#             Currently defaults to 'essiv'
184# @ivgen-hash-alg: #optional the initialization vector generator hash
185#                  Currently defaults to 'sha256'
186# @hash-alg: #optional the master key hash algorithm
187#            Currently defaults to 'sha256'
188# Since: 2.6
189##
190{ 'struct': 'QCryptoBlockCreateOptionsLUKS',
191  'base': 'QCryptoBlockOptionsLUKS',
192  'data': { '*cipher-alg': 'QCryptoCipherAlgorithm',
193            '*cipher-mode': 'QCryptoCipherMode',
194            '*ivgen-alg': 'QCryptoIVGenAlgorithm',
195            '*ivgen-hash-alg': 'QCryptoHashAlgorithm',
196            '*hash-alg': 'QCryptoHashAlgorithm'}}
197
198
199##
200# QCryptoBlockOpenOptions:
201#
202# The options that are available for all encryption formats
203# when opening an existing volume
204#
205# Since: 2.6
206##
207{ 'union': 'QCryptoBlockOpenOptions',
208  'base': 'QCryptoBlockOptionsBase',
209  'discriminator': 'format',
210  'data': { 'qcow': 'QCryptoBlockOptionsQCow',
211            'luks': 'QCryptoBlockOptionsLUKS' } }
212
213
214##
215# QCryptoBlockCreateOptions:
216#
217# The options that are available for all encryption formats
218# when initializing a new volume
219#
220# Since: 2.6
221##
222{ 'union': 'QCryptoBlockCreateOptions',
223  'base': 'QCryptoBlockOptionsBase',
224  'discriminator': 'format',
225  'data': { 'qcow': 'QCryptoBlockOptionsQCow',
226            'luks': 'QCryptoBlockCreateOptionsLUKS' } }
227