qemu-e2k/qapi/crypto.json
Maxim Levitsky 557d2bdcca qcrypto/luks: implement encryption key management
Next few patches will expose that functionality to the user.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200608094030.670121-3-mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-07-06 08:49:28 +02:00

383 lines
11 KiB
Python

# -*- Mode: Python -*-
#
##
# = Cryptography
##
##
# @QCryptoTLSCredsEndpoint:
#
# The type of network endpoint that will be using the credentials.
# Most types of credential require different setup / structures
# depending on whether they will be used in a server versus a
# client.
#
# @client: the network endpoint is acting as the client
#
# @server: the network endpoint is acting as the server
#
# Since: 2.5
##
{ 'enum': 'QCryptoTLSCredsEndpoint',
'prefix': 'QCRYPTO_TLS_CREDS_ENDPOINT',
'data': ['client', 'server']}
##
# @QCryptoSecretFormat:
#
# The data format that the secret is provided in
#
# @raw: raw bytes. When encoded in JSON only valid UTF-8 sequences can be used
# @base64: arbitrary base64 encoded binary data
# Since: 2.6
##
{ 'enum': 'QCryptoSecretFormat',
'prefix': 'QCRYPTO_SECRET_FORMAT',
'data': ['raw', 'base64']}
##
# @QCryptoHashAlgorithm:
#
# The supported algorithms for computing content digests
#
# @md5: MD5. Should not be used in any new code, legacy compat only
# @sha1: SHA-1. Should not be used in any new code, legacy compat only
# @sha224: SHA-224. (since 2.7)
# @sha256: SHA-256. Current recommended strong hash.
# @sha384: SHA-384. (since 2.7)
# @sha512: SHA-512. (since 2.7)
# @ripemd160: RIPEMD-160. (since 2.7)
# Since: 2.6
##
{ 'enum': 'QCryptoHashAlgorithm',
'prefix': 'QCRYPTO_HASH_ALG',
'data': ['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'ripemd160']}
##
# @QCryptoCipherAlgorithm:
#
# The supported algorithms for content encryption ciphers
#
# @aes-128: AES with 128 bit / 16 byte keys
# @aes-192: AES with 192 bit / 24 byte keys
# @aes-256: AES with 256 bit / 32 byte keys
# @des-rfb: RFB specific variant of single DES. Do not use except in VNC.
# @3des: 3DES(EDE) with 192 bit / 24 byte keys (since 2.9)
# @cast5-128: Cast5 with 128 bit / 16 byte keys
# @serpent-128: Serpent with 128 bit / 16 byte keys
# @serpent-192: Serpent with 192 bit / 24 byte keys
# @serpent-256: Serpent with 256 bit / 32 byte keys
# @twofish-128: Twofish with 128 bit / 16 byte keys
# @twofish-192: Twofish with 192 bit / 24 byte keys
# @twofish-256: Twofish with 256 bit / 32 byte keys
# Since: 2.6
##
{ 'enum': 'QCryptoCipherAlgorithm',
'prefix': 'QCRYPTO_CIPHER_ALG',
'data': ['aes-128', 'aes-192', 'aes-256',
'des-rfb', '3des',
'cast5-128',
'serpent-128', 'serpent-192', 'serpent-256',
'twofish-128', 'twofish-192', 'twofish-256']}
##
# @QCryptoCipherMode:
#
# The supported modes for content encryption ciphers
#
# @ecb: Electronic Code Book
# @cbc: Cipher Block Chaining
# @xts: XEX with tweaked code book and ciphertext stealing
# @ctr: Counter (Since 2.8)
# Since: 2.6
##
{ 'enum': 'QCryptoCipherMode',
'prefix': 'QCRYPTO_CIPHER_MODE',
'data': ['ecb', 'cbc', 'xts', 'ctr']}
##
# @QCryptoIVGenAlgorithm:
#
# The supported algorithms for generating initialization
# vectors for full disk encryption. The 'plain' generator
# should not be used for disks with sector numbers larger
# than 2^32, except where compatibility with pre-existing
# Linux dm-crypt volumes is required.
#
# @plain: 64-bit sector number truncated to 32-bits
# @plain64: 64-bit sector number
# @essiv: 64-bit sector number encrypted with a hash of the encryption key
# Since: 2.6
##
{ 'enum': 'QCryptoIVGenAlgorithm',
'prefix': 'QCRYPTO_IVGEN_ALG',
'data': ['plain', 'plain64', 'essiv']}
##
# @QCryptoBlockFormat:
#
# The supported full disk encryption formats
#
# @qcow: QCow/QCow2 built-in AES-CBC encryption. Use only
# for liberating data from old images.
# @luks: LUKS encryption format. Recommended for new images
#
# Since: 2.6
##
{ 'enum': 'QCryptoBlockFormat',
# 'prefix': 'QCRYPTO_BLOCK_FORMAT',
'data': ['qcow', 'luks']}
##
# @QCryptoBlockOptionsBase:
#
# The common options that apply to all full disk
# encryption formats
#
# @format: the encryption format
#
# Since: 2.6
##
{ 'struct': 'QCryptoBlockOptionsBase',
'data': { 'format': 'QCryptoBlockFormat' }}
##
# @QCryptoBlockOptionsQCow:
#
# The options that apply to QCow/QCow2 AES-CBC encryption format
#
# @key-secret: the ID of a QCryptoSecret object providing the
# decryption key. Mandatory except when probing image for
# metadata only.
#
# Since: 2.6
##
{ 'struct': 'QCryptoBlockOptionsQCow',
'data': { '*key-secret': 'str' }}
##
# @QCryptoBlockOptionsLUKS:
#
# The options that apply to LUKS encryption format
#
# @key-secret: the ID of a QCryptoSecret object providing the
# decryption key. Mandatory except when probing image for
# metadata only.
# Since: 2.6
##
{ 'struct': 'QCryptoBlockOptionsLUKS',
'data': { '*key-secret': 'str' }}
##
# @QCryptoBlockCreateOptionsLUKS:
#
# The options that apply to LUKS encryption format initialization
#
# @cipher-alg: the cipher algorithm for data encryption
# Currently defaults to 'aes-256'.
# @cipher-mode: the cipher mode for data encryption
# Currently defaults to 'xts'
# @ivgen-alg: the initialization vector generator
# Currently defaults to 'plain64'
# @ivgen-hash-alg: the initialization vector generator hash
# Currently defaults to 'sha256'
# @hash-alg: the master key hash algorithm
# Currently defaults to 'sha256'
# @iter-time: number of milliseconds to spend in
# PBKDF passphrase processing. Currently defaults
# to 2000. (since 2.8)
# Since: 2.6
##
{ 'struct': 'QCryptoBlockCreateOptionsLUKS',
'base': 'QCryptoBlockOptionsLUKS',
'data': { '*cipher-alg': 'QCryptoCipherAlgorithm',
'*cipher-mode': 'QCryptoCipherMode',
'*ivgen-alg': 'QCryptoIVGenAlgorithm',
'*ivgen-hash-alg': 'QCryptoHashAlgorithm',
'*hash-alg': 'QCryptoHashAlgorithm',
'*iter-time': 'int'}}
##
# @QCryptoBlockOpenOptions:
#
# The options that are available for all encryption formats
# when opening an existing volume
#
# Since: 2.6
##
{ 'union': 'QCryptoBlockOpenOptions',
'base': 'QCryptoBlockOptionsBase',
'discriminator': 'format',
'data': { 'qcow': 'QCryptoBlockOptionsQCow',
'luks': 'QCryptoBlockOptionsLUKS' } }
##
# @QCryptoBlockCreateOptions:
#
# The options that are available for all encryption formats
# when initializing a new volume
#
# Since: 2.6
##
{ 'union': 'QCryptoBlockCreateOptions',
'base': 'QCryptoBlockOptionsBase',
'discriminator': 'format',
'data': { 'qcow': 'QCryptoBlockOptionsQCow',
'luks': 'QCryptoBlockCreateOptionsLUKS' } }
##
# @QCryptoBlockInfoBase:
#
# The common information that applies to all full disk
# encryption formats
#
# @format: the encryption format
#
# Since: 2.7
##
{ 'struct': 'QCryptoBlockInfoBase',
'data': { 'format': 'QCryptoBlockFormat' }}
##
# @QCryptoBlockInfoLUKSSlot:
#
# Information about the LUKS block encryption key
# slot options
#
# @active: whether the key slot is currently in use
# @key-offset: offset to the key material in bytes
# @iters: number of PBKDF2 iterations for key material
# @stripes: number of stripes for splitting key material
#
# Since: 2.7
##
{ 'struct': 'QCryptoBlockInfoLUKSSlot',
'data': {'active': 'bool',
'*iters': 'int',
'*stripes': 'int',
'key-offset': 'int' } }
##
# @QCryptoBlockInfoLUKS:
#
# Information about the LUKS block encryption options
#
# @cipher-alg: the cipher algorithm for data encryption
# @cipher-mode: the cipher mode for data encryption
# @ivgen-alg: the initialization vector generator
# @ivgen-hash-alg: the initialization vector generator hash
# @hash-alg: the master key hash algorithm
# @payload-offset: offset to the payload data in bytes
# @master-key-iters: number of PBKDF2 iterations for key material
# @uuid: unique identifier for the volume
# @slots: information about each key slot
#
# Since: 2.7
##
{ 'struct': 'QCryptoBlockInfoLUKS',
'data': {'cipher-alg': 'QCryptoCipherAlgorithm',
'cipher-mode': 'QCryptoCipherMode',
'ivgen-alg': 'QCryptoIVGenAlgorithm',
'*ivgen-hash-alg': 'QCryptoHashAlgorithm',
'hash-alg': 'QCryptoHashAlgorithm',
'payload-offset': 'int',
'master-key-iters': 'int',
'uuid': 'str',
'slots': [ 'QCryptoBlockInfoLUKSSlot' ] }}
##
# @QCryptoBlockInfo:
#
# Information about the block encryption options
#
# Since: 2.7
##
{ 'union': 'QCryptoBlockInfo',
'base': 'QCryptoBlockInfoBase',
'discriminator': 'format',
'data': { 'luks': 'QCryptoBlockInfoLUKS' } }
##
# @QCryptoBlockLUKSKeyslotState:
#
# Defines state of keyslots that are affected by the update
#
# @active: The slots contain the given password and marked as active
# @inactive: The slots are erased (contain garbage) and marked as inactive
#
# Since: 5.1
##
{ 'enum': 'QCryptoBlockLUKSKeyslotState',
'data': [ 'active', 'inactive' ] }
##
# @QCryptoBlockAmendOptionsLUKS:
#
# This struct defines the update parameters that activate/de-activate set
# of keyslots
#
# @state: the desired state of the keyslots
#
# @new-secret: The ID of a QCryptoSecret object providing the password to be
# written into added active keyslots
#
# @old-secret: Optional (for deactivation only)
# If given will deactive all keyslots that
# match password located in QCryptoSecret with this ID
#
# @iter-time: Optional (for activation only)
# Number of milliseconds to spend in
# PBKDF passphrase processing for the newly activated keyslot.
# Currently defaults to 2000.
#
# @keyslot: Optional. ID of the keyslot to activate/deactivate.
# For keyslot activation, keyslot should not be active already
# (this is unsafe to update an active keyslot),
# but possible if 'force' parameter is given.
# If keyslot is not given, first free keyslot will be written.
#
# For keyslot deactivation, this parameter specifies the exact
# keyslot to deactivate
#
# @secret: Optional. The ID of a QCryptoSecret object providing the
# password to use to retrive current master key.
# Defaults to the same secret that was used to open the image
#
#
# Since 5.1
##
{ 'struct': 'QCryptoBlockAmendOptionsLUKS',
'data': { 'state': 'QCryptoBlockLUKSKeyslotState',
'*new-secret': 'str',
'*old-secret': 'str',
'*keyslot': 'int',
'*iter-time': 'int',
'*secret': 'str' } }
##
# @QCryptoBlockAmendOptions:
#
# The options that are available for all encryption formats
# when amending encryption settings
#
# Since: 5.1
##
{ 'union': 'QCryptoBlockAmendOptions',
'base': 'QCryptoBlockOptionsBase',
'discriminator': 'format',
'data': {
'luks': 'QCryptoBlockAmendOptionsLUKS' } }