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a51854455b68717b982154e318dc2dd84c83ea49
Android-pyApi/android_pyapi/java/security_spec.py
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shuiyu1123 a51854455b feat: 大规模扩充至212个模块/175K行代码 — 覆盖android/java/javax/org/dalvik全包 
- android/ 167个模块 (app/content/os/view/widget/graphics/media/hardware/net/telephony/provider等)
- java/ 35个模块 (lang/io/util/net/nio/security/crypto/sql/beans/rmi/awt等)
- javax/ 4个模块 (net/crypto/security/sql)
- org/ 5个模块 (json/w3c_dom/xml_sax/xml_pull/apache_http)
- dalvik/ 1个模块 (system)
- ~3053个类/接口，方法签名完全对齐Android SDK
- 桌面跨平台运行 (Windows/macOS/Linux)
- 修复所有导入错误和Python关键字冲突
2026-06-24 14:15:56 +00:00

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"""
Java security.spec standard library APIs implemented in Python.
java.security.spec package - KeySpec, AlgorithmParameterSpec, etc.
"""
from __future__ import annotations
from .._core import Stub, AndroidOnlyError
from .security import GeneralSecurityException, InvalidKeySpecException, InvalidParameterException
from .lang import RuntimeException
import math as _py_math
__all__ = [
"KeySpec", "EncodedKeySpec", "PKCS8EncodedKeySpec", "X509EncodedKeySpec",
"DSAPrivateKeySpec", "DSAPublicKeySpec",
"RSAPrivateKeySpec", "RSAPublicKeySpec", "RSAPrivateCrtKeySpec",
"RSAOtherPrimeInfo",
"ECPrivateKeySpec", "ECPublicKeySpec",
"ECField", "ECFieldF2m", "ECFieldFp", "EllipticCurve",
"ECGenParameterSpec", "ECParameterSpec", "ECPoint",
"AlgorithmParameterSpec",
"IvParameterSpec", "OAEPParameterSpec", "PSSParameterSpec",
"MGF1ParameterSpec", "PBEParameterSpec",
"RC2ParameterSpec", "RC5ParameterSpec",
"DHParameterSpec", "DHGenParameterSpec",
"DHPrivateKeySpec", "DHPublicKeySpec",
"DSAGenParameterSpec",
]
# ============================================================
# KeySpec
# ============================================================
class KeySpec(Stub):
"""java.security.spec.KeySpec"""
pass
class EncodedKeySpec(KeySpec):
"""java.security.spec.EncodedKeySpec"""
def __init__(self, encoded_key):
super().__init__()
self._encoded_key = bytes(encoded_key)
def getEncoded(self):
return self._encoded_key
def getFormat(self):
raise NotImplementedError
class PKCS8EncodedKeySpec(EncodedKeySpec):
"""java.security.spec.PKCS8EncodedKeySpec"""
def __init__(self, encoded_key):
super().__init__(encoded_key)
def getFormat(self):
return "PKCS#8"
class X509EncodedKeySpec(EncodedKeySpec):
"""java.security.spec.X509EncodedKeySpec"""
def __init__(self, encoded_key):
super().__init__(encoded_key)
def getFormat(self):
return "X.509"
# ============================================================
# DSA KeySpecs
# ============================================================
class DSAPrivateKeySpec(KeySpec):
"""java.security.spec.DSAPrivateKeySpec"""
def __init__(self, x, p, q, g):
super().__init__()
self._x = x
self._p = p
self._q = q
self._g = g
def getX(self):
return self._x
def getP(self):
return self._p
def getQ(self):
return self._q
def getG(self):
return self._g
class DSAPublicKeySpec(KeySpec):
"""java.security.spec.DSAPublicKeySpec"""
def __init__(self, y, p, q, g):
super().__init__()
self._y = y
self._p = p
self._q = q
self._g = g
def getY(self):
return self._y
def getP(self):
return self._p
def getQ(self):
return self._q
def getG(self):
return self._g
# ============================================================
# RSA KeySpecs
# ============================================================
class RSAPrivateKeySpec(KeySpec):
"""java.security.spec.RSAPrivateKeySpec"""
def __init__(self, modulus, private_exponent):
super().__init__()
self._modulus = modulus
self._private_exponent = private_exponent
def getModulus(self):
return self._modulus
def getPrivateExponent(self):
return self._private_exponent
class RSAPublicKeySpec(KeySpec):
"""java.security.spec.RSAPublicKeySpec"""
def __init__(self, modulus, public_exponent):
super().__init__()
self._modulus = modulus
self._public_exponent = public_exponent
def getModulus(self):
return self._modulus
def getPublicExponent(self):
return self._public_exponent
class RSAPrivateCrtKeySpec(RSAPrivateKeySpec):
"""java.security.spec.RSAPrivateCrtKeySpec"""
def __init__(self, modulus, public_exponent, private_exponent,
prime_p, prime_q, prime_exponent_p, prime_exponent_q,
crt_coefficient):
super().__init__(modulus, private_exponent)
self._public_exponent = public_exponent
self._prime_p = prime_p
self._prime_q = prime_q
self._prime_exponent_p = prime_exponent_p
self._prime_exponent_q = prime_exponent_q
self._crt_coefficient = crt_coefficient
def getPublicExponent(self):
return self._public_exponent
def getPrimeP(self):
return self._prime_p
def getPrimeQ(self):
return self._prime_q
def getPrimeExponentP(self):
return self._prime_exponent_p
def getPrimeExponentQ(self):
return self._prime_exponent_q
def getCrtCoefficient(self):
return self._crt_coefficient
class RSAOtherPrimeInfo(Stub):
"""java.security.spec.RSAOtherPrimeInfo"""
def __init__(self, prime, exponent, coefficient):
super().__init__()
self._prime = prime
self._exponent = exponent
self._coefficient = coefficient
def getPrime(self):
return self._prime
def getExponent(self):
return self._exponent
def getCrtCoefficient(self):
return self._coefficient
# ============================================================
# EC KeySpecs
# ============================================================
class ECPoint(Stub):
"""java.security.spec.ECPoint"""
def __init__(self, affine_x, affine_y):
super().__init__()
self._affine_x = affine_x
self._affine_y = affine_y
def getAffineX(self):
return self._affine_x
def getAffineY(self):
return self._affine_y
def equals(self, other):
if not isinstance(other, ECPoint):
return False
return self._affine_x == other._affine_x and self._affine_y == other._affine_y
def hashCode(self):
return hash((self._affine_x, self._affine_y))
def toString(self):
return f"ECPoint(x={self._affine_x}, y={self._affine_y})"
POINT_INFINITY = None
class ECField(Stub):
"""java.security.spec.ECField"""
def getFieldSize(self):
raise NotImplementedError
class ECFieldFp(ECField):
"""java.security.spec.ECFieldFp"""
def __init__(self, prime):
super().__init__()
self._prime = prime
def getP(self):
return self._prime
def getFieldSize(self):
return self._prime.bit_length()
def equals(self, other):
if not isinstance(other, ECFieldFp):
return False
return self._prime == other._prime
def hashCode(self):
return hash(self._prime)
class ECFieldF2m(ECField):
"""java.security.spec.ECFieldF2m"""
def __init__(self, m, ks=None, rp=None):
super().__init__()
self._m = m
if ks is not None and rp is None:
if isinstance(ks, int):
self._ks = [ks]
self._rp = None
else:
self._ks = list(ks)
self._rp = None
elif rp is not None:
self._ks = None
self._rp = rp
else:
self._ks = None
self._rp = None
def getM(self):
return self._m
def getKs(self):
return self._ks
def getFieldSize(self):
return self._m
def getReductionPolynomial(self):
return self._rp
def equals(self, other):
if not isinstance(other, ECFieldF2m):
return False
return self._m == other._m and self._ks == other._ks and self._rp == other._rp
def hashCode(self):
return hash(self._m)
class EllipticCurve(Stub):
"""java.security.spec.EllipticCurve"""
def __init__(self, field, a, b, seed=None):
super().__init__()
self._field = field
self._a = a
self._b = b
self._seed = seed
def getField(self):
return self._field
def getA(self):
return self._a
def getB(self):
return self._b
def getSeed(self):
return self._seed
def equals(self, other):
if not isinstance(other, EllipticCurve):
return False
return (self._field == other._field and self._a == other._a
and self._b == other._b)
def hashCode(self):
return hash((self._field, self._a, self._b))
class ECParameterSpec(Stub):
"""java.security.spec.ECParameterSpec"""
def __init__(self, curve, generator, order, cofactor):
super().__init__()
self._curve = curve
self._generator = generator
self._order = order
self._cofactor = cofactor
def getCurve(self):
return self._curve
def getGenerator(self):
return self._generator
def getOrder(self):
return self._order
def getCofactor(self):
return self._cofactor
def toString(self):
return f"ECParameterSpec [order={self._order}]"
class ECGenParameterSpec(Stub):
"""java.security.spec.ECGenParameterSpec"""
def __init__(self, name):
super().__init__()
self._name = name
def getName(self):
return self._name
def toString(self):
return f"ECGenParameterSpec [name={self._name}]"
class ECPrivateKeySpec(KeySpec):
"""java.security.spec.ECPrivateKeySpec"""
def __init__(self, s, params):
super().__init__()
self._s = s
self._params = params
def getS(self):
return self._s
def getParams(self):
return self._params
class ECPublicKeySpec(KeySpec):
"""java.security.spec.ECPublicKeySpec"""
def __init__(self, w, params):
super().__init__()
self._w = w
self._params = params
def getW(self):
return self._w
def getParams(self):
return self._params
# ============================================================
# AlgorithmParameterSpec
# ============================================================
class AlgorithmParameterSpec(Stub):
"""java.security.spec.AlgorithmParameterSpec"""
pass
class IvParameterSpec(AlgorithmParameterSpec):
"""javax.crypto.spec.IvParameterSpec"""
def __init__(self, iv, offset=0, length=None):
super().__init__()
if length is None:
self._iv = bytes(iv[offset:])
else:
self._iv = bytes(iv[offset:offset + length])
def getIV(self):
return self._iv
class OAEPParameterSpec(AlgorithmParameterSpec):
"""javax.crypto.spec.OAEPParameterSpec"""
def __init__(self, md_name="SHA-256", mgf_name="MGF1", mgf_spec=None, p_src=None):
super().__init__()
self._md_name = md_name
self._mgf_name = mgf_name
self._mgf_spec = mgf_spec or MGF1ParameterSpec.SHA256
self._p_src = p_src
def getDigestAlgorithm(self):
return self._md_name
def getMGFAlgorithm(self):
return self._mgf_name
def getMGFParameters(self):
return self._mgf_spec
def getPSource(self):
return self._p_src
DEFAULT = None
class PSSParameterSpec(AlgorithmParameterSpec):
"""java.security.spec.PSSParameterSpec"""
def __init__(self, md_name="SHA-256", mgf_name="MGF1", mgf_spec=None,
salt_len=None, trailer_field=1):
super().__init__()
if isinstance(md_name, int):
# Legacy constructor: PSSParameterSpec(int saltLen)
self._salt_len = md_name
self._md_name = "SHA-1"
self._mgf_name = "MGF1"
self._mgf_spec = MGF1ParameterSpec.SHA1
self._trailer_field = 1
else:
self._md_name = md_name
self._mgf_name = mgf_name
self._mgf_spec = mgf_spec or MGF1ParameterSpec.SHA256
self._salt_len = salt_len if salt_len is not None else 32
self._trailer_field = trailer_field
def getDigestAlgorithm(self):
return self._md_name
def getMGFAlgorithm(self):
return self._mgf_name
def getMGFParameters(self):
return self._mgf_spec
def getSaltLength(self):
return self._salt_len
def getTrailerField(self):
return self._trailer_field
DEFAULT = None
TRAILER_FIELD_BC = 1
class MGF1ParameterSpec(AlgorithmParameterSpec):
"""java.security.spec.MGF1ParameterSpec"""
def __init__(self, md_name):
super().__init__()
self._md_name = md_name
def getDigestAlgorithm(self):
return self._md_name
def toString(self):
return f"MGF1ParameterSpec [{self._md_name}]"
SHA1 = None
SHA224 = None
SHA256 = None
SHA384 = None
SHA512 = None
class PBEParameterSpec(AlgorithmParameterSpec):
"""javax.crypto.spec.PBEParameterSpec"""
def __init__(self, salt, iteration_count):
super().__init__()
self._salt = bytes(salt)
self._iteration_count = iteration_count
def getSalt(self):
return self._salt
def getIterationCount(self):
return self._iteration_count
class RC2ParameterSpec(AlgorithmParameterSpec):
"""javax.crypto.spec.RC2ParameterSpec"""
def __init__(self, effective_key_bits, iv=None, offset=0):
super().__init__()
self._effective_key_bits = effective_key_bits
if iv is not None:
self._iv = bytes(iv[offset:offset + 8]) if offset + 8 <= len(iv) else bytes(iv[offset:])
else:
self._iv = None
def getEffectiveKeyBits(self):
return self._effective_key_bits
def getIV(self):
return self._iv
def equals(self, other):
if not isinstance(other, RC2ParameterSpec):
return False
return (self._effective_key_bits == other._effective_key_bits
and self._iv == other._iv)
def hashCode(self):
return hash(self._effective_key_bits) ^ hash(self._iv)
class RC5ParameterSpec(AlgorithmParameterSpec):
"""javax.crypto.spec.RC5ParameterSpec"""
def __init__(self, version, rounds, word_size, iv=None, offset=0):
super().__init__()
self._version = version
self._rounds = rounds
self._word_size = word_size
if iv is not None:
self._iv = bytes(iv[offset:offset + 8]) if offset + 8 <= len(iv) else bytes(iv[offset:])
else:
self._iv = None
def getVersion(self):
return self._version
def getRounds(self):
return self._rounds
def getWordSize(self):
return self._word_size
def getIV(self):
return self._iv
def equals(self, other):
if not isinstance(other, RC5ParameterSpec):
return False
return (self._version == other._version and self._rounds == other._rounds
and self._word_size == other._word_size and self._iv == other._iv)
def hashCode(self):
return hash((self._version, self._rounds, self._word_size, bytes(self._iv) if self._iv else b""))
# ============================================================
# DH (Diffie-Hellman) Specs
# ============================================================
class DHParameterSpec(AlgorithmParameterSpec):
"""javax.crypto.spec.DHParameterSpec"""
def __init__(self, p, g, l=0):
super().__init__()
self._p = p
self._g = g
self._l = l
def getP(self):
return self._p
def getG(self):
return self._g
def getL(self):
return self._l
class DHGenParameterSpec(AlgorithmParameterSpec):
"""javax.crypto.spec.DHGenParameterSpec"""
def __init__(self, prime_size, exponent_size):
super().__init__()
self._prime_size = prime_size
self._exponent_size = exponent_size
def getPrimeSize(self):
return self._prime_size
def getExponentSize(self):
return self._exponent_size
class DHPrivateKeySpec(KeySpec):
"""javax.crypto.spec.DHPrivateKeySpec"""
def __init__(self, x, p, g):
super().__init__()
self._x = x
self._p = p
self._g = g
def getX(self):
return self._x
def getP(self):
return self._p
def getG(self):
return self._g
class DHPublicKeySpec(KeySpec):
"""javax.crypto.spec.DHPublicKeySpec"""
def __init__(self, y, p, g):
super().__init__()
self._y = y
self._p = p
self._g = g
def getY(self):
return self._y
def getP(self):
return self._p
def getG(self):
return self._g
# ============================================================
# DSAGenParameterSpec
# ============================================================
class DSAGenParameterSpec(AlgorithmParameterSpec):
"""java.security.spec.DSAGenParameterSpec"""
def __init__(self, prime_pl, subprime_ql, seed_len):
super().__init__()
self._prime_pl = prime_pl
self._subprime_ql = subprime_ql
self._seed_len = seed_len
def getPrimePL(self):
return self._prime_pl
def getSubprimeQL(self):
return self._subprime_ql
def getSeedLen(self):
return self._seed_len
# ============================================================
# Initialize MGF1ParameterSpec constants
# ============================================================
MGF1ParameterSpec.SHA1 = MGF1ParameterSpec("SHA-1")
MGF1ParameterSpec.SHA224 = MGF1ParameterSpec("SHA-224")
MGF1ParameterSpec.SHA256 = MGF1ParameterSpec("SHA-256")
MGF1ParameterSpec.SHA384 = MGF1ParameterSpec("SHA-384")
MGF1ParameterSpec.SHA512 = MGF1ParameterSpec("SHA-512")
# ============================================================
# Initialize OAEPParameterSpec DEFAULT
# ============================================================
OAEPParameterSpec.DEFAULT = OAEPParameterSpec(
"SHA-1", "MGF1", MGF1ParameterSpec.SHA1, None
)
# ============================================================
# Initialize PSSParameterSpec DEFAULT
# ============================================================
PSSParameterSpec.DEFAULT = PSSParameterSpec(
"SHA-1", "MGF1", MGF1ParameterSpec.SHA1, 20, 1
)
# ============================================================
# ECPoint.POINT_INFINITY
# ============================================================
ECPoint.POINT_INFINITY = ECPoint(None, None)
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