xref: /openbmc/qemu/qapi/crypto.json (revision f28d0dfd)
1# -*- Mode: Python -*-
2#
3
4##
5# = Cryptography
6##
7
8##
9# @QCryptoTLSCredsEndpoint:
10#
11# The type of network endpoint that will be using the credentials.
12# Most types of credential require different setup / structures
13# depending on whether they will be used in a server versus a
14# client.
15#
16# @client: the network endpoint is acting as the client
17#
18# @server: the network endpoint is acting as the server
19#
20# Since: 2.5
21##
22{ 'enum': 'QCryptoTLSCredsEndpoint',
23  'prefix': 'QCRYPTO_TLS_CREDS_ENDPOINT',
24  'data': ['client', 'server']}
25
26
27##
28# @QCryptoSecretFormat:
29#
30# The data format that the secret is provided in
31#
32# @raw: raw bytes. When encoded in JSON only valid UTF-8 sequences can be used
33# @base64: arbitrary base64 encoded binary data
34# Since: 2.6
35##
36{ 'enum': 'QCryptoSecretFormat',
37  'prefix': 'QCRYPTO_SECRET_FORMAT',
38  'data': ['raw', 'base64']}
39
40
41##
42# @QCryptoHashAlgorithm:
43#
44# The supported algorithms for computing content digests
45#
46# @md5: MD5. Should not be used in any new code, legacy compat only
47# @sha1: SHA-1. Should not be used in any new code, legacy compat only
48# @sha224: SHA-224. (since 2.7)
49# @sha256: SHA-256. Current recommended strong hash.
50# @sha384: SHA-384. (since 2.7)
51# @sha512: SHA-512. (since 2.7)
52# @ripemd160: RIPEMD-160. (since 2.7)
53# Since: 2.6
54##
55{ 'enum': 'QCryptoHashAlgorithm',
56  'prefix': 'QCRYPTO_HASH_ALG',
57  'data': ['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'ripemd160']}
58
59
60##
61# @QCryptoCipherAlgorithm:
62#
63# The supported algorithms for content encryption ciphers
64#
65# @aes-128: AES with 128 bit / 16 byte keys
66# @aes-192: AES with 192 bit / 24 byte keys
67# @aes-256: AES with 256 bit / 32 byte keys
68# @des-rfb: RFB specific variant of single DES. Do not use except in VNC.
69# @3des: 3DES(EDE) with 192 bit / 24 byte keys (since 2.9)
70# @cast5-128: Cast5 with 128 bit / 16 byte keys
71# @serpent-128: Serpent with 128 bit / 16 byte keys
72# @serpent-192: Serpent with 192 bit / 24 byte keys
73# @serpent-256: Serpent with 256 bit / 32 byte keys
74# @twofish-128: Twofish with 128 bit / 16 byte keys
75# @twofish-192: Twofish with 192 bit / 24 byte keys
76# @twofish-256: Twofish with 256 bit / 32 byte keys
77# Since: 2.6
78##
79{ 'enum': 'QCryptoCipherAlgorithm',
80  'prefix': 'QCRYPTO_CIPHER_ALG',
81  'data': ['aes-128', 'aes-192', 'aes-256',
82           'des-rfb', '3des',
83           'cast5-128',
84           'serpent-128', 'serpent-192', 'serpent-256',
85           'twofish-128', 'twofish-192', 'twofish-256']}
86
87
88##
89# @QCryptoCipherMode:
90#
91# The supported modes for content encryption ciphers
92#
93# @ecb: Electronic Code Book
94# @cbc: Cipher Block Chaining
95# @xts: XEX with tweaked code book and ciphertext stealing
96# @ctr: Counter (Since 2.8)
97# Since: 2.6
98##
99{ 'enum': 'QCryptoCipherMode',
100  'prefix': 'QCRYPTO_CIPHER_MODE',
101  'data': ['ecb', 'cbc', 'xts', 'ctr']}
102
103
104##
105# @QCryptoIVGenAlgorithm:
106#
107# The supported algorithms for generating initialization
108# vectors for full disk encryption. The 'plain' generator
109# should not be used for disks with sector numbers larger
110# than 2^32, except where compatibility with pre-existing
111# Linux dm-crypt volumes is required.
112#
113# @plain: 64-bit sector number truncated to 32-bits
114# @plain64: 64-bit sector number
115# @essiv: 64-bit sector number encrypted with a hash of the encryption key
116# Since: 2.6
117##
118{ 'enum': 'QCryptoIVGenAlgorithm',
119  'prefix': 'QCRYPTO_IVGEN_ALG',
120  'data': ['plain', 'plain64', 'essiv']}
121
122##
123# @QCryptoBlockFormat:
124#
125# The supported full disk encryption formats
126#
127# @qcow: QCow/QCow2 built-in AES-CBC encryption. Use only
128#        for liberating data from old images.
129# @luks: LUKS encryption format. Recommended for new images
130#
131# Since: 2.6
132##
133{ 'enum': 'QCryptoBlockFormat',
134#  'prefix': 'QCRYPTO_BLOCK_FORMAT',
135  'data': ['qcow', 'luks']}
136
137##
138# @QCryptoBlockOptionsBase:
139#
140# The common options that apply to all full disk
141# encryption formats
142#
143# @format: the encryption format
144#
145# Since: 2.6
146##
147{ 'struct': 'QCryptoBlockOptionsBase',
148  'data': { 'format': 'QCryptoBlockFormat' }}
149
150##
151# @QCryptoBlockOptionsQCow:
152#
153# The options that apply to QCow/QCow2 AES-CBC encryption format
154#
155# @key-secret: the ID of a QCryptoSecret object providing the
156#              decryption key. Mandatory except when probing image for
157#              metadata only.
158#
159# Since: 2.6
160##
161{ 'struct': 'QCryptoBlockOptionsQCow',
162  'data': { '*key-secret': 'str' }}
163
164##
165# @QCryptoBlockOptionsLUKS:
166#
167# The options that apply to LUKS encryption format
168#
169# @key-secret: the ID of a QCryptoSecret object providing the
170#              decryption key. Mandatory except when probing image for
171#              metadata only.
172# Since: 2.6
173##
174{ 'struct': 'QCryptoBlockOptionsLUKS',
175  'data': { '*key-secret': 'str' }}
176
177
178##
179# @QCryptoBlockCreateOptionsLUKS:
180#
181# The options that apply to LUKS encryption format initialization
182#
183# @cipher-alg: the cipher algorithm for data encryption
184#              Currently defaults to 'aes'.
185# @cipher-mode: the cipher mode for data encryption
186#               Currently defaults to 'cbc'
187# @ivgen-alg: the initialization vector generator
188#             Currently defaults to 'essiv'
189# @ivgen-hash-alg: the initialization vector generator hash
190#                  Currently defaults to 'sha256'
191# @hash-alg: the master key hash algorithm
192#            Currently defaults to 'sha256'
193# @iter-time: number of milliseconds to spend in
194#             PBKDF passphrase processing. Currently defaults
195#             to 2000. (since 2.8)
196# Since: 2.6
197##
198{ 'struct': 'QCryptoBlockCreateOptionsLUKS',
199  'base': 'QCryptoBlockOptionsLUKS',
200  'data': { '*cipher-alg': 'QCryptoCipherAlgorithm',
201            '*cipher-mode': 'QCryptoCipherMode',
202            '*ivgen-alg': 'QCryptoIVGenAlgorithm',
203            '*ivgen-hash-alg': 'QCryptoHashAlgorithm',
204            '*hash-alg': 'QCryptoHashAlgorithm',
205            '*iter-time': 'int'}}
206
207
208##
209# @QCryptoBlockOpenOptions:
210#
211# The options that are available for all encryption formats
212# when opening an existing volume
213#
214# Since: 2.6
215##
216{ 'union': 'QCryptoBlockOpenOptions',
217  'base': 'QCryptoBlockOptionsBase',
218  'discriminator': 'format',
219  'data': { 'qcow': 'QCryptoBlockOptionsQCow',
220            'luks': 'QCryptoBlockOptionsLUKS' } }
221
222
223##
224# @QCryptoBlockCreateOptions:
225#
226# The options that are available for all encryption formats
227# when initializing a new volume
228#
229# Since: 2.6
230##
231{ 'union': 'QCryptoBlockCreateOptions',
232  'base': 'QCryptoBlockOptionsBase',
233  'discriminator': 'format',
234  'data': { 'qcow': 'QCryptoBlockOptionsQCow',
235            'luks': 'QCryptoBlockCreateOptionsLUKS' } }
236
237
238##
239# @QCryptoBlockInfoBase:
240#
241# The common information that applies to all full disk
242# encryption formats
243#
244# @format: the encryption format
245#
246# Since: 2.7
247##
248{ 'struct': 'QCryptoBlockInfoBase',
249  'data': { 'format': 'QCryptoBlockFormat' }}
250
251
252##
253# @QCryptoBlockInfoLUKSSlot:
254#
255# Information about the LUKS block encryption key
256# slot options
257#
258# @active: whether the key slot is currently in use
259# @key-offset: offset to the key material in bytes
260# @iters: number of PBKDF2 iterations for key material
261# @stripes: number of stripes for splitting key material
262#
263# Since: 2.7
264##
265{ 'struct': 'QCryptoBlockInfoLUKSSlot',
266  'data': {'active': 'bool',
267           '*iters': 'int',
268           '*stripes': 'int',
269           'key-offset': 'int' } }
270
271
272##
273# @QCryptoBlockInfoLUKS:
274#
275# Information about the LUKS block encryption options
276#
277# @cipher-alg: the cipher algorithm for data encryption
278# @cipher-mode: the cipher mode for data encryption
279# @ivgen-alg: the initialization vector generator
280# @ivgen-hash-alg: the initialization vector generator hash
281# @hash-alg: the master key hash algorithm
282# @payload-offset: offset to the payload data in bytes
283# @master-key-iters: number of PBKDF2 iterations for key material
284# @uuid: unique identifier for the volume
285# @slots: information about each key slot
286#
287# Since: 2.7
288##
289{ 'struct': 'QCryptoBlockInfoLUKS',
290  'data': {'cipher-alg': 'QCryptoCipherAlgorithm',
291           'cipher-mode': 'QCryptoCipherMode',
292           'ivgen-alg': 'QCryptoIVGenAlgorithm',
293           '*ivgen-hash-alg': 'QCryptoHashAlgorithm',
294           'hash-alg': 'QCryptoHashAlgorithm',
295           'payload-offset': 'int',
296           'master-key-iters': 'int',
297           'uuid': 'str',
298           'slots': [ 'QCryptoBlockInfoLUKSSlot' ] }}
299
300
301##
302# @QCryptoBlockInfo:
303#
304# Information about the block encryption options
305#
306# Since: 2.7
307##
308{ 'union': 'QCryptoBlockInfo',
309  'base': 'QCryptoBlockInfoBase',
310  'discriminator': 'format',
311  'data': { 'luks': 'QCryptoBlockInfoLUKS' } }
312