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"""
Default mappings for various key types and mechanisms.
None of this is provided for in PKCS#11 and its correctness should not be
assumed.
"""
from pkcs11.constants import (
MechanismFlag,
)
from pkcs11.mechanisms import MGF, KeyType, Mechanism
DEFAULT_GENERATE_MECHANISMS = {
KeyType.AES: Mechanism.AES_KEY_GEN,
KeyType.DES2: Mechanism.DES2_KEY_GEN,
KeyType.DES3: Mechanism.DES3_KEY_GEN,
KeyType.DH: Mechanism.DH_PKCS_KEY_PAIR_GEN,
KeyType.DSA: Mechanism.DSA_KEY_PAIR_GEN,
KeyType.EC: Mechanism.EC_KEY_PAIR_GEN,
KeyType.RSA: Mechanism.RSA_PKCS_KEY_PAIR_GEN,
KeyType.X9_42_DH: Mechanism.X9_42_DH_KEY_PAIR_GEN,
KeyType.EC_EDWARDS: Mechanism.EC_EDWARDS_KEY_PAIR_GEN,
KeyType.GENERIC_SECRET: Mechanism.GENERIC_SECRET_KEY_GEN,
}
"""
Default mechanisms for generating keys.
"""
_ENCRYPTION = MechanismFlag.ENCRYPT | MechanismFlag.DECRYPT
_SIGNING = MechanismFlag.SIGN | MechanismFlag.VERIFY
_WRAPPING = MechanismFlag.WRAP | MechanismFlag.UNWRAP
DEFAULT_KEY_CAPABILITIES = {
KeyType.AES: _ENCRYPTION | _SIGNING | _WRAPPING,
KeyType.DES2: _ENCRYPTION | _SIGNING | _WRAPPING,
KeyType.DES3: _ENCRYPTION | _SIGNING | _WRAPPING,
KeyType.DH: MechanismFlag.DERIVE,
KeyType.DSA: _SIGNING,
KeyType.EC: _SIGNING | MechanismFlag.DERIVE,
KeyType.RSA: _ENCRYPTION | _SIGNING | _WRAPPING,
KeyType.GENERIC_SECRET: 0,
KeyType.EC_EDWARDS: _SIGNING,
}
"""
Default capabilities for generating keys.
"""
DEFAULT_ENCRYPT_MECHANISMS = {
KeyType.AES: Mechanism.AES_CBC_PAD,
KeyType.DES2: Mechanism.DES3_CBC_PAD,
KeyType.DES3: Mechanism.DES3_CBC_PAD,
KeyType.RSA: Mechanism.RSA_PKCS_OAEP,
}
"""
Default mechanisms for encrypt/decrypt.
"""
DEFAULT_SIGN_MECHANISMS = {
KeyType.AES: Mechanism.AES_MAC,
KeyType.DES2: Mechanism.DES3_MAC,
KeyType.DES3: Mechanism.DES3_MAC,
KeyType.DSA: Mechanism.DSA_SHA512,
KeyType.EC: Mechanism.ECDSA_SHA512,
KeyType.RSA: Mechanism.SHA512_RSA_PKCS,
KeyType.EC_EDWARDS: Mechanism.EDDSA,
}
"""
Default mechanisms for sign/verify.
"""
DEFAULT_WRAP_MECHANISMS = {
KeyType.AES: Mechanism.AES_KEY_WRAP,
KeyType.DES2: Mechanism.DES3_ECB,
KeyType.DES3: Mechanism.DES3_ECB,
KeyType.RSA: Mechanism.RSA_PKCS_OAEP,
}
"""
Default mechanism for wrap/unwrap.
"""
DEFAULT_DERIVE_MECHANISMS = {
KeyType.DH: Mechanism.DH_PKCS_DERIVE,
KeyType.EC: Mechanism.ECDH1_DERIVE,
KeyType.X9_42_DH: Mechanism.X9_42_DH_DERIVE,
}
"""
Default mechanisms for key derivation
"""
DEFAULT_PARAM_GENERATE_MECHANISMS = {
KeyType.DH: Mechanism.DH_PKCS_PARAMETER_GEN,
KeyType.DSA: Mechanism.DSA_PARAMETER_GEN,
KeyType.X9_42_DH: Mechanism.X9_42_DH_PARAMETER_GEN,
}
"""
Default mechanisms for domain parameter generation
"""
DEFAULT_MECHANISM_PARAMS = {
Mechanism.RSA_PKCS_OAEP: (Mechanism.SHA_1, MGF.SHA1, None),
Mechanism.RSA_PKCS_PSS: (Mechanism.SHA_1, MGF.SHA1, 20),
}
"""
Default mechanism parameters
"""
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