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BCrypt.lua
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BCrypt.lua
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local ffi = require "ffi"
local bit = require "bit"
local band = bit.band
local k32 = require "Kernel32"
local L = k32.AnsiToUnicode16
local BCLib = ffi.load("Bcrypt.dll");
local BCRYPT_MAKE_INTERFACE_VERSION = function(major,minor)
return {band(0xff, major), band(0xff, minor)}
end
-- Flags to BCryptGenRandom
local BCRYPT_RNG_USE_ENTROPY_IN_BUFFER = 0x00000001;
local BCRYPT_USE_SYSTEM_PREFERRED_RNG = 0x00000002;
local BCrypt = {
BCRYPT_SUCCESS = function (Status)
return Status >= 0
end;
--[[
//
// BCRYPT_OBJECT_ALIGNMENT must be a power of 2
// We align all our internal data structures to 16 to
// allow fast XMM memory accesses.
// BCrypt callers do not need to take any alignment precautions.
//
BCRYPT_OBJECT_ALIGNMENT 16
--]]
-- DeriveKey KDF Types
BCRYPT_KDF_HASH = L"HASH";
BCRYPT_KDF_HMAC = L"HMAC";
BCRYPT_KDF_TLS_PRF = L"TLS_PRF";
BCRYPT_KDF_SP80056A_CONCAT = L"SP800_56A_CONCAT";
--[[
//
// DeriveKey KDF BufferTypes
//
// For BCRYPT_KDF_HASH and BCRYPT_KDF_HMAC operations, there may be an arbitrary
// number of KDF_SECRET_PREPEND and KDF_SECRET_APPEND buffertypes in the
// parameter list. The BufferTypes are processed in order of appearence
// within the parameter list.
//
--]]
KDF_HASH_ALGORITHM = 0x0;
KDF_SECRET_PREPEND = 0x1;
KDF_SECRET_APPEND = 0x2;
KDF_HMAC_KEY = 0x3;
KDF_TLS_PRF_LABEL = 0x4;
KDF_TLS_PRF_SEED = 0x5;
KDF_SECRET_HANDLE = 0x6;
KDF_TLS_PRF_PROTOCOL = 0x7;
KDF_ALGORITHMID = 0x8;
KDF_PARTYUINFO = 0x9;
KDF_PARTYVINFO = 0xA;
KDF_SUPPPUBINFO = 0xB;
KDF_SUPPPRIVINFO = 0xC;
--[[
//
// DeriveKey Flags:
//
// KDF_USE_SECRET_AS_HMAC_KEY_FLAG causes the secret agreement to serve also
// as the HMAC key. If this flag is used, the KDF_HMAC_KEY parameter should
// NOT be specified.
//
--]]
KDF_USE_SECRET_AS_HMAC_KEY_FLAG = 0x1;
BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO_VERSION = 1;
BCRYPT_AUTH_MODE_CHAIN_CALLS_FLAG = 0x00000001;
BCRYPT_AUTH_MODE_IN_PROGRESS_FLAG = 0x00000002;
--[[
BCRYPT_INIT_AUTH_MODE_INFO(_AUTH_INFO_STRUCT_) \
RtlZeroMemory((&_AUTH_INFO_STRUCT_), sizeof(BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO)); \
(_AUTH_INFO_STRUCT_).cbSize = sizeof(BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO); \
(_AUTH_INFO_STRUCT_).dwInfoVersion = BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO_VERSION;
--]]
-- BCrypt String Properties
-- BCrypt(Import/Export)Key BLOB types
BCRYPT_OPAQUE_KEY_BLOB = L"OpaqueKeyBlob";
BCRYPT_KEY_DATA_BLOB = L"KeyDataBlob";
BCRYPT_AES_WRAP_KEY_BLOB = L"Rfc3565KeyWrapBlob";
-- BCryptGetProperty strings
BCRYPT_OBJECT_LENGTH = L"ObjectLength";
BCRYPT_ALGORITHM_NAME = L"AlgorithmName";
BCRYPT_PROVIDER_HANDLE = L"ProviderHandle";
BCRYPT_CHAINING_MODE = L"ChainingMode";
BCRYPT_BLOCK_LENGTH = L"BlockLength";
BCRYPT_KEY_LENGTH = L"KeyLength";
BCRYPT_KEY_OBJECT_LENGTH = L"KeyObjectLength";
BCRYPT_KEY_STRENGTH = L"KeyStrength";
BCRYPT_KEY_LENGTHS = L"KeyLengths";
BCRYPT_BLOCK_SIZE_LIST = L"BlockSizeList";
BCRYPT_EFFECTIVE_KEY_LENGTH = L"EffectiveKeyLength";
BCRYPT_HASH_LENGTH = L"HashDigestLength";
BCRYPT_HASH_OID_LIST = L"HashOIDList";
BCRYPT_PADDING_SCHEMES = L"PaddingSchemes";
BCRYPT_SIGNATURE_LENGTH = L"SignatureLength";
BCRYPT_HASH_BLOCK_LENGTH = L"HashBlockLength";
BCRYPT_AUTH_TAG_LENGTH = L"AuthTagLength";
BCRYPT_PRIMITIVE_TYPE = L"PrimitiveType";
BCRYPT_IS_KEYED_HASH = L"IsKeyedHash";
-- BCryptSetProperty strings
BCRYPT_INITIALIZATION_VECTOR = L"IV";
-- Property Strings
BCRYPT_CHAIN_MODE_NA = L"ChainingModeN/A";
BCRYPT_CHAIN_MODE_CBC = L"ChainingModeCBC";
BCRYPT_CHAIN_MODE_ECB = L"ChainingModeECB";
BCRYPT_CHAIN_MODE_CFB = L"ChainingModeCFB";
BCRYPT_CHAIN_MODE_CCM = L"ChainingModeCCM";
BCRYPT_CHAIN_MODE_GCM = L"ChainingModeGCM";
-- Supported RSA Padding Types
BCRYPT_SUPPORTED_PAD_ROUTER = 0x00000001;
BCRYPT_SUPPORTED_PAD_PKCS1_ENC = 0x00000002;
BCRYPT_SUPPORTED_PAD_PKCS1_SIG = 0x00000004;
BCRYPT_SUPPORTED_PAD_OAEP = 0x00000008;
BCRYPT_SUPPORTED_PAD_PSS = 0x00000010;
-- BCrypt Flags
BCRYPT_PROV_DISPATCH = 0x00000001; -- BCryptOpenAlgorithmProvider
BCRYPT_BLOCK_PADDING = 0x00000001; -- BCryptEncrypt/Decrypt
-- RSA padding schemes
BCRYPT_PAD_NONE = 0x00000001;
BCRYPT_PAD_PKCS1 = 0x00000002; -- BCryptEncrypt/Decrypt BCryptSignHash/VerifySignature
BCRYPT_PAD_OAEP = 0x00000004; -- BCryptEncrypt/Decrypt
BCRYPT_PAD_PSS = 0x00000008; -- BCryptSignHash/VerifySignature
BCRYPTBUFFER_VERSION = 0;
-- Structures used to represent key blobs.
BCRYPT_PUBLIC_KEY_BLOB = L"PUBLICBLOB";
BCRYPT_PRIVATE_KEY_BLOB = L"PRIVATEBLOB";
--[[
The BCRYPT_RSAPUBLIC_BLOB and BCRYPT_RSAPRIVATE_BLOB blob types are used
to transport plaintext RSA keys. These blob types will be supported by
all RSA primitive providers.
The BCRYPT_RSAPRIVATE_BLOB includes the following values:
Public Exponent
Modulus
Prime1
Prime2
--]]
BCRYPT_RSAPUBLIC_BLOB = L"RSAPUBLICBLOB";
BCRYPT_RSAPRIVATE_BLOB = L"RSAPRIVATEBLOB";
LEGACY_RSAPUBLIC_BLOB = L"CAPIPUBLICBLOB";
LEGACY_RSAPRIVATE_BLOB = L"CAPIPRIVATEBLOB";
BCRYPT_RSAPUBLIC_MAGIC =0x31415352; -- RSA1
BCRYPT_RSAPRIVATE_MAGIC =0x32415352; -- RSA2
BCRYPT_NO_KEY_VALIDATION =0x00000008;
--[[
The BCRYPT_RSAFULLPRIVATE_BLOB blob type is used to transport
plaintext private RSA keys. It includes the following values:
Public Exponent
Modulus
Prime1
Prime2
Private Exponent mod (Prime1 - 1)
Private Exponent mod (Prime2 - 1)
Inverse of Prime2 mod Prime1
PrivateExponent
--]]
BCRYPT_RSAFULLPRIVATE_BLOB =L"RSAFULLPRIVATEBLOB";
BCRYPT_RSAFULLPRIVATE_MAGIC =0x33415352; -- RSA3
-- The BCRYPT_ECCPUBLIC_BLOB and BCRYPT_ECCPRIVATE_BLOB blob types are used
-- to transport plaintext ECC keys. These blob types will be supported by
-- all ECC primitive providers.
BCRYPT_ECCPUBLIC_BLOB =L"ECCPUBLICBLOB";
BCRYPT_ECCPRIVATE_BLOB =L"ECCPRIVATEBLOB";
BCRYPT_ECDH_PUBLIC_P256_MAGIC =0x314B4345; -- ECK1
BCRYPT_ECDH_PRIVATE_P256_MAGIC =0x324B4345; -- ECK2
BCRYPT_ECDH_PUBLIC_P384_MAGIC =0x334B4345; -- ECK3
BCRYPT_ECDH_PRIVATE_P384_MAGIC =0x344B4345; -- ECK4
BCRYPT_ECDH_PUBLIC_P521_MAGIC =0x354B4345; -- ECK5
BCRYPT_ECDH_PRIVATE_P521_MAGIC =0x364B4345; -- ECK6
BCRYPT_ECDSA_PUBLIC_P256_MAGIC =0x31534345; -- ECS1
BCRYPT_ECDSA_PRIVATE_P256_MAGIC =0x32534345; -- ECS2
BCRYPT_ECDSA_PUBLIC_P384_MAGIC =0x33534345; -- ECS3
BCRYPT_ECDSA_PRIVATE_P384_MAGIC =0x34534345; -- ECS4
BCRYPT_ECDSA_PUBLIC_P521_MAGIC =0x35534345; -- ECS5
BCRYPT_ECDSA_PRIVATE_P521_MAGIC =0x36534345; -- ECS6
-- The BCRYPT_DH_PUBLIC_BLOB and BCRYPT_DH_PRIVATE_BLOB blob types are used
-- to transport plaintext DH keys. These blob types will be supported by
-- all DH primitive providers.
BCRYPT_DH_PUBLIC_BLOB = L"DHPUBLICBLOB";
BCRYPT_DH_PRIVATE_BLOB = L"DHPRIVATEBLOB";
LEGACY_DH_PUBLIC_BLOB = L"CAPIDHPUBLICBLOB";
LEGACY_DH_PRIVATE_BLOB = L"CAPIDHPRIVATEBLOB";
BCRYPT_DH_PUBLIC_MAGIC = 0x42504844; -- DHPB
BCRYPT_DH_PRIVATE_MAGIC = 0x56504844; -- DHPV
-- Property Strings for DH
BCRYPT_DH_PARAMETERS = L"DHParameters";
BCRYPT_DH_PARAMETERS_MAGIC = 0x4d504844; -- DHPM
-- The BCRYPT_DSA_PUBLIC_BLOB and BCRYPT_DSA_PRIVATE_BLOB blob types are used
-- to transport plaintext DSA keys. These blob types will be supported by
-- all DSA primitive providers.
BCRYPT_DSA_PUBLIC_BLOB = L"DSAPUBLICBLOB";
BCRYPT_DSA_PRIVATE_BLOB = L"DSAPRIVATEBLOB";
LEGACY_DSA_PUBLIC_BLOB = L"CAPIDSAPUBLICBLOB";
LEGACY_DSA_PRIVATE_BLOB = L"CAPIDSAPRIVATEBLOB";
LEGACY_DSA_V2_PUBLIC_BLOB = L"V2CAPIDSAPUBLICBLOB";
LEGACY_DSA_V2_PRIVATE_BLOB = L"V2CAPIDSAPRIVATEBLOB";
BCRYPT_DSA_PUBLIC_MAGIC = 0x42505344; -- DSPB
BCRYPT_DSA_PRIVATE_MAGIC = 0x56505344; -- DSPV
BCRYPT_KEY_DATA_BLOB_MAGIC = 0x4d42444b; --Key Data Blob Magic (KDBM)
BCRYPT_KEY_DATA_BLOB_VERSION1 = 0x1;
-- Property Strings for DSA
BCRYPT_DSA_PARAMETERS = L"DSAParameters";
BCRYPT_DSA_PARAMETERS_MAGIC = 0x4d505344; -- DSPM
-- Microsoft built-in providers.
MS_PRIMITIVE_PROVIDER = L"Microsoft Primitive Provider";
-- Common algorithm identifiers.
BCRYPT_RSA_ALGORITHM = L"RSA";
BCRYPT_RSA_SIGN_ALGORITHM = L"RSA_SIGN";
BCRYPT_DH_ALGORITHM = L"DH";
BCRYPT_DSA_ALGORITHM = L"DSA";
BCRYPT_RC2_ALGORITHM = L"RC2";
BCRYPT_RC4_ALGORITHM = L"RC4";
BCRYPT_AES_ALGORITHM = L"AES";
BCRYPT_AES_GMAC_ALGORITHM = L"AES-GMAC";
BCRYPT_DES_ALGORITHM = L"DES";
BCRYPT_DESX_ALGORITHM = L"DESX";
BCRYPT_3DES_ALGORITHM = L"3DES";
BCRYPT_3DES_112_ALGORITHM = L"3DES_112";
BCRYPT_MD2_ALGORITHM = L"MD2";
BCRYPT_MD4_ALGORITHM = L"MD4";
BCRYPT_MD5_ALGORITHM = L"MD5";
BCRYPT_SHA1_ALGORITHM = L"SHA1";
BCRYPT_SHA256_ALGORITHM = L"SHA256";
BCRYPT_SHA384_ALGORITHM = L"SHA384";
BCRYPT_SHA512_ALGORITHM = L"SHA512";
BCRYPT_ECDSA_P256_ALGORITHM = L"ECDSA_P256";
BCRYPT_ECDSA_P384_ALGORITHM = L"ECDSA_P384";
BCRYPT_ECDSA_P521_ALGORITHM = L"ECDSA_P521";
BCRYPT_ECDH_P256_ALGORITHM = L"ECDH_P256";
BCRYPT_ECDH_P384_ALGORITHM = L"ECDH_P384";
BCRYPT_ECDH_P521_ALGORITHM = L"ECDH_P521";
BCRYPT_RNG_ALGORITHM = L"RNG";
BCRYPT_RNG_FIPS186_DSA_ALGORITHM = L"FIPS186DSARNG";
BCRYPT_RNG_DUAL_EC_ALGORITHM = L"DUALECRNG";
-- Interfaces
BCRYPT_CIPHER_INTERFACE = 0x00000001;
BCRYPT_HASH_INTERFACE = 0x00000002;
BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE = 0x00000003;
BCRYPT_SECRET_AGREEMENT_INTERFACE = 0x00000004;
BCRYPT_SIGNATURE_INTERFACE = 0x00000005;
BCRYPT_RNG_INTERFACE = 0x00000006;
BCRYPT_ALG_HANDLE_HMAC_FLAG = 0x00000008;
-- AlgOperations flags for use with BCryptEnumAlgorithms()
BCRYPT_CIPHER_OPERATION = 0x00000001;
BCRYPT_HASH_OPERATION = 0x00000002;
BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION = 0x00000004;
BCRYPT_SECRET_AGREEMENT_OPERATION = 0x00000008;
BCRYPT_SIGNATURE_OPERATION = 0x00000010;
BCRYPT_RNG_OPERATION = 0x00000020;
-- Flags for use with BCryptGetProperty and BCryptSetProperty
BCRYPT_PUBLIC_KEY_FLAG = 0x00000001;
BCRYPT_PRIVATE_KEY_FLAG = 0x00000002;
BCRYPT_IS_INTERFACE_VERSION_COMPATIBLE = function(loader, provider)
return (loader.MajorVersion <= provider.MajorVersion)
end;
--
-- Primitive provider interfaces.
--
BCRYPT_CIPHER_INTERFACE_VERSION_1 = BCRYPT_MAKE_INTERFACE_VERSION(1,0);
BCRYPT_HASH_INTERFACE_VERSION_1 = BCRYPT_MAKE_INTERFACE_VERSION(1,0);
BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE_VERSION_1 = BCRYPT_MAKE_INTERFACE_VERSION(1,0);
BCRYPT_SECRET_AGREEMENT_INTERFACE_VERSION_1 = BCRYPT_MAKE_INTERFACE_VERSION(1,0);
BCRYPT_SIGNATURE_INTERFACE_VERSION_1 = BCRYPT_MAKE_INTERFACE_VERSION(1,0);
BCRYPT_RNG_INTERFACE_VERSION_1 = BCRYPT_MAKE_INTERFACE_VERSION(1,0);
--[[
CryptoConfig Definitions
--]]
-- Interface registration flags
CRYPT_MIN_DEPENDENCIES = (0x00000001);
CRYPT_PROCESS_ISOLATE = (0x00010000); -- User-mode only
-- Processor modes supported by a provider
--
-- (Valid for BCryptQueryProviderRegistration and BCryptResolveProviders):
--
CRYPT_UM = (0x00000001); -- User mode only
CRYPT_KM = (0x00000002); -- Kernel mode only
CRYPT_MM = (0x00000003); -- Multi-mode: Must support BOTH UM and KM
--
-- (Valid only for BCryptQueryProviderRegistration):
--
CRYPT_ANY = (0x00000004); -- Wildcard: Either UM, or KM, or both
-- Write behavior flags
CRYPT_OVERWRITE = (0x00000001);
-- Configuration tables
CRYPT_LOCAL = (0x00000001);
CRYPT_DOMAIN = (0x00000002);
-- Context configuration flags
CRYPT_EXCLUSIVE = (0x00000001);
CRYPT_OVERRIDE = (0x00010000); -- Enterprise table only
-- Resolution and enumeration flags
CRYPT_ALL_FUNCTIONS = (0x00000001);
CRYPT_ALL_PROVIDERS = (0x00000002);
-- Priority list positions
CRYPT_PRIORITY_TOP = (0x00000000);
CRYPT_PRIORITY_BOTTOM = (0xFFFFFFFF);
-- Default system-wide context
CRYPT_DEFAULT_CONTEXT = L"Default";
Lib = BCLib;
}
-- From BCrypt.h
ffi.cdef[[
typedef uint32_t NTSTATUS;
typedef NTSTATUS *PNTSTATUS;
]]
ffi.cdef[[
//
// BCrypt structs
//
typedef struct __BCRYPT_KEY_LENGTHS_STRUCT
{
ULONG dwMinLength;
ULONG dwMaxLength;
ULONG dwIncrement;
} BCRYPT_KEY_LENGTHS_STRUCT;
typedef BCRYPT_KEY_LENGTHS_STRUCT BCRYPT_AUTH_TAG_LENGTHS_STRUCT;
typedef struct _BCRYPT_OID
{
ULONG cbOID;
PUCHAR pbOID;
} BCRYPT_OID;
typedef struct _BCRYPT_OID_LIST
{
ULONG dwOIDCount;
BCRYPT_OID *pOIDs;
} BCRYPT_OID_LIST;
typedef struct _BCRYPT_PKCS1_PADDING_INFO
{
LPCWSTR pszAlgId;
} BCRYPT_PKCS1_PADDING_INFO;
typedef struct _BCRYPT_PSS_PADDING_INFO
{
LPCWSTR pszAlgId;
ULONG cbSalt;
} BCRYPT_PSS_PADDING_INFO;
typedef struct _BCRYPT_OAEP_PADDING_INFO
{
LPCWSTR pszAlgId;
PUCHAR pbLabel;
ULONG cbLabel;
} BCRYPT_OAEP_PADDING_INFO;
typedef struct _BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO
{
ULONG cbSize;
ULONG dwInfoVersion;
PUCHAR pbNonce;
ULONG cbNonce;
PUCHAR pbAuthData;
ULONG cbAuthData;
PUCHAR pbTag;
ULONG cbTag;
PUCHAR pbMacContext;
ULONG cbMacContext;
ULONG cbAAD;
ULONGLONG cbData;
ULONG dwFlags;
} BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO, *PBCRYPT_AUTHENTICATED_CIPHER_MODE_INFO;
typedef struct _BCryptBuffer {
ULONG cbBuffer; // Length of buffer, in bytes
ULONG BufferType; // Buffer type
PVOID pvBuffer; // Pointer to buffer
} BCryptBuffer, * PBCryptBuffer;
typedef struct _BCryptBufferDesc {
ULONG ulVersion; // Version number
ULONG cBuffers; // Number of buffers
PBCryptBuffer pBuffers; // Pointer to array of buffers
} BCryptBufferDesc, * PBCryptBufferDesc;
//
// Primitive handles
//
typedef PVOID BCRYPT_HANDLE;
typedef PVOID BCRYPT_ALG_HANDLE;
typedef PVOID BCRYPT_KEY_HANDLE;
typedef PVOID BCRYPT_HASH_HANDLE;
typedef PVOID BCRYPT_SECRET_HANDLE;
typedef struct _BCRYPT_KEY_BLOB
{
ULONG Magic;
} BCRYPT_KEY_BLOB;
typedef struct _BCRYPT_RSAKEY_BLOB
{
ULONG Magic;
ULONG BitLength;
ULONG cbPublicExp;
ULONG cbModulus;
ULONG cbPrime1;
ULONG cbPrime2;
} BCRYPT_RSAKEY_BLOB;
typedef struct _BCRYPT_ECCKEY_BLOB
{
ULONG dwMagic;
ULONG cbKey;
} BCRYPT_ECCKEY_BLOB, *PBCRYPT_ECCKEY_BLOB;
typedef struct _BCRYPT_DH_KEY_BLOB
{
ULONG dwMagic;
ULONG cbKey;
} BCRYPT_DH_KEY_BLOB, *PBCRYPT_DH_KEY_BLOB;
typedef struct _BCRYPT_DH_PARAMETER_HEADER
{
ULONG cbLength;
ULONG dwMagic;
ULONG cbKeyLength;
} BCRYPT_DH_PARAMETER_HEADER;
typedef struct _BCRYPT_DSA_KEY_BLOB
{
ULONG dwMagic;
ULONG cbKey;
UCHAR Count[4];
UCHAR Seed[20];
UCHAR q[20];
} BCRYPT_DSA_KEY_BLOB, *PBCRYPT_DSA_KEY_BLOB;
typedef struct _BCRYPT_KEY_DATA_BLOB_HEADER
{
ULONG dwMagic;
ULONG dwVersion;
ULONG cbKeyData;
} BCRYPT_KEY_DATA_BLOB_HEADER, *PBCRYPT_KEY_DATA_BLOB_HEADER;
typedef struct _BCRYPT_DSA_PARAMETER_HEADER
{
ULONG cbLength;
ULONG dwMagic;
ULONG cbKeyLength;
UCHAR Count[4];
UCHAR Seed[20];
UCHAR q[20];
} BCRYPT_DSA_PARAMETER_HEADER;
//
// Primitive algorithm provider functions.
//
NTSTATUS BCryptOpenAlgorithmProvider(BCRYPT_ALG_HANDLE *phAlgorithm,
LPCWSTR pszAlgId,
LPCWSTR pszImplementation,
ULONG dwFlags);
// USE EXTREME CAUTION: editing comments that contain "certenrolls_*" tokens
// could break building CertEnroll idl files:
// certenrolls_begin -- BCRYPT_ALGORITHM_IDENTIFIER
typedef struct _BCRYPT_ALGORITHM_IDENTIFIER
{
LPWSTR pszName;
ULONG dwClass;
ULONG dwFlags;
} BCRYPT_ALGORITHM_IDENTIFIER;
// certenrolls_end
NTSTATUS BCryptEnumAlgorithms(
ULONG dwAlgOperations,
ULONG *pAlgCount,
BCRYPT_ALGORITHM_IDENTIFIER **ppAlgList,
ULONG dwFlags);
typedef struct _BCRYPT_PROVIDER_NAME
{
LPWSTR pszProviderName;
} BCRYPT_PROVIDER_NAME;
NTSTATUS BCryptEnumProviders(
LPCWSTR pszAlgId,
ULONG *pImplCount,
BCRYPT_PROVIDER_NAME **ppImplList,
ULONG dwFlags);
NTSTATUS BCryptGetProperty(BCRYPT_HANDLE hObject,
LPCWSTR pszProperty,
PUCHAR pbOutput,
ULONG cbOutput,
ULONG *pcbResult,
ULONG dwFlags);
NTSTATUS BCryptSetProperty(
BCRYPT_HANDLE hObject,
LPCWSTR pszProperty,
PUCHAR pbInput,
ULONG cbInput,
ULONG dwFlags);
NTSTATUS BCryptCloseAlgorithmProvider(BCRYPT_ALG_HANDLE hAlgorithm, ULONG dwFlags);
void BCryptFreeBuffer(PVOID pvBuffer);
//
// Primitive encryption functions.
//
NTSTATUS BCryptGenerateSymmetricKey(BCRYPT_ALG_HANDLE hAlgorithm,
BCRYPT_KEY_HANDLE *phKey,
PUCHAR pbKeyObject,
ULONG cbKeyObject,
PUCHAR pbSecret,
ULONG cbSecret,
ULONG dwFlags);
NTSTATUS BCryptGenerateKeyPair(BCRYPT_ALG_HANDLE hAlgorithm,
BCRYPT_KEY_HANDLE *phKey,
ULONG dwLength,
ULONG dwFlags);
NTSTATUS BCryptEncrypt(BCRYPT_KEY_HANDLE hKey,
PUCHAR pbInput,
ULONG cbInput,
void *pPaddingInfo,
PUCHAR pbIV,
ULONG cbIV,
PUCHAR pbOutput,
ULONG cbOutput,
ULONG *pcbResult,
ULONG dwFlags);
NTSTATUS BCryptDecrypt(BCRYPT_KEY_HANDLE hKey,
PUCHAR pbInput,
ULONG cbInput,
void *pPaddingInfo,
PUCHAR pbIV,
ULONG cbIV,
PUCHAR pbOutput,
ULONG cbOutput,
ULONG *pcbResult,
ULONG dwFlags);
NTSTATUS BCryptExportKey(BCRYPT_KEY_HANDLE hKey,
BCRYPT_KEY_HANDLE hExportKey,
LPCWSTR pszBlobType,
PUCHAR pbOutput,
ULONG cbOutput,
ULONG *pcbResult,
ULONG dwFlags);
NTSTATUS BCryptImportKey(BCRYPT_ALG_HANDLE hAlgorithm,
BCRYPT_KEY_HANDLE hImportKey,
LPCWSTR pszBlobType,
BCRYPT_KEY_HANDLE *phKey,
PUCHAR pbKeyObject,
ULONG cbKeyObject,
PUCHAR pbInput,
ULONG cbInput,
ULONG dwFlags);
NTSTATUS BCryptImportKeyPair(BCRYPT_ALG_HANDLE hAlgorithm,
BCRYPT_KEY_HANDLE hImportKey,
LPCWSTR pszBlobType,
BCRYPT_KEY_HANDLE *phKey,
PUCHAR pbInput,
ULONG cbInput,
ULONG dwFlags);
NTSTATUS BCryptDuplicateKey(BCRYPT_KEY_HANDLE hKey,
BCRYPT_KEY_HANDLE *phNewKey,
PUCHAR pbKeyObject,
ULONG cbKeyObject,
ULONG dwFlags);
NTSTATUS BCryptFinalizeKeyPair(BCRYPT_KEY_HANDLE hKey, ULONG dwFlags);
NTSTATUS BCryptDestroyKey(BCRYPT_KEY_HANDLE hKey);
NTSTATUS BCryptDestroySecret(BCRYPT_SECRET_HANDLE hSecret);
NTSTATUS BCryptSignHash(BCRYPT_KEY_HANDLE hKey,
void *pPaddingInfo,
PUCHAR pbInput,
ULONG cbInput,
PUCHAR pbOutput,
ULONG cbOutput,
ULONG *pcbResult,
ULONG dwFlags);
NTSTATUS BCryptVerifySignature(BCRYPT_KEY_HANDLE hKey,
void *pPaddingInfo,
PUCHAR pbHash,
ULONG cbHash,
PUCHAR pbSignature,
ULONG cbSignature,
ULONG dwFlags);
NTSTATUS BCryptSecretAgreement(
BCRYPT_KEY_HANDLE hPrivKey,
BCRYPT_KEY_HANDLE hPubKey,
BCRYPT_SECRET_HANDLE *phAgreedSecret,
ULONG dwFlags);
NTSTATUS BCryptDeriveKey(
BCRYPT_SECRET_HANDLE hSharedSecret,
LPCWSTR pwszKDF,
BCryptBufferDesc *pParameterList,
PUCHAR pbDerivedKey,
ULONG cbDerivedKey,
ULONG *pcbResult,
ULONG dwFlags);
typedef struct BCryptKey
{
BCRYPT_KEY_HANDLE Handle;
}BCryptKey;
]]
ffi.cdef[[
//
// Primitive hashing functions.
//
NTSTATUS BCryptCreateHash(
BCRYPT_ALG_HANDLE hAlgorithm,
BCRYPT_HASH_HANDLE *phHash,
PUCHAR pbHashObject,
ULONG cbHashObject,
PUCHAR pbSecret, // optional
ULONG cbSecret, // optional
ULONG dwFlags);
NTSTATUS BCryptHashData(
BCRYPT_HASH_HANDLE hHash,
PCUCHAR pbInput,
ULONG cbInput,
ULONG dwFlags);
NTSTATUS BCryptFinishHash(
BCRYPT_HASH_HANDLE hHash,
PCUCHAR pbOutput,
ULONG cbOutput,
ULONG dwFlags);
NTSTATUS BCryptDuplicateHash(
BCRYPT_HASH_HANDLE hHash,
BCRYPT_HASH_HANDLE *phNewHash,
PUCHAR pbHashObject,
ULONG cbHashObject,
ULONG dwFlags);
NTSTATUS BCryptDestroyHash(BCRYPT_HASH_HANDLE hHash);
typedef struct {
BCRYPT_HASH_HANDLE Handle;
}BCryptHash;
]]
ffi.cdef[[
//
// Primitive random number generation.
//
NTSTATUS BCryptGenRandom(BCRYPT_ALG_HANDLE hAlgorithm,
PUCHAR pbBuffer,
ULONG cbBuffer,
ULONG dwFlags);
//
// Primitive key derivation functions.
//
NTSTATUS BCryptDeriveKeyCapi(BCRYPT_HASH_HANDLE hHash,
BCRYPT_ALG_HANDLE hTargetAlg,
PUCHAR pbDerivedKey,
ULONG cbDerivedKey,
ULONG dwFlags);
NTSTATUS BCryptDeriveKeyPBKDF2(
BCRYPT_ALG_HANDLE hPrf,
PUCHAR pbPassword,
ULONG cbPassword,
PUCHAR pbSalt,
ULONG cbSalt,
ULONGLONG cIterations,
PUCHAR pbDerivedKey,
ULONG cbDerivedKey,
ULONG dwFlags);
//
// Interface version control...
//
typedef struct _BCRYPT_INTERFACE_VERSION
{
USHORT MajorVersion;
USHORT MinorVersion;
} BCRYPT_INTERFACE_VERSION, *PBCRYPT_INTERFACE_VERSION;
]]
ffi.cdef[[
//////////////////////////////////////////////////////////////////////////////
// CryptoConfig Structures ///////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// Provider Registration Structures
//
typedef struct _CRYPT_INTERFACE_REG
{
ULONG dwInterface;
ULONG dwFlags;
ULONG cFunctions;
PWSTR *rgpszFunctions;
}
CRYPT_INTERFACE_REG, *PCRYPT_INTERFACE_REG;
typedef struct _CRYPT_IMAGE_REG
{
PWSTR pszImage;
ULONG cInterfaces;
PCRYPT_INTERFACE_REG *rgpInterfaces;
}
CRYPT_IMAGE_REG, *PCRYPT_IMAGE_REG;
typedef struct _CRYPT_PROVIDER_REG
{
ULONG cAliases;
PWSTR *rgpszAliases;
PCRYPT_IMAGE_REG pUM;
PCRYPT_IMAGE_REG pKM;
}
CRYPT_PROVIDER_REG, *PCRYPT_PROVIDER_REG;
typedef struct _CRYPT_PROVIDERS
{
ULONG cProviders;
PWSTR *rgpszProviders;
}
CRYPT_PROVIDERS, *PCRYPT_PROVIDERS;
//
// Context Configuration Structures
//
typedef struct _CRYPT_CONTEXT_CONFIG
{
ULONG dwFlags;
ULONG dwReserved;
}
CRYPT_CONTEXT_CONFIG, *PCRYPT_CONTEXT_CONFIG;
typedef struct _CRYPT_CONTEXT_FUNCTION_CONFIG
{
ULONG dwFlags;
ULONG dwReserved;
}
CRYPT_CONTEXT_FUNCTION_CONFIG, *PCRYPT_CONTEXT_FUNCTION_CONFIG;
typedef struct _CRYPT_CONTEXTS
{
ULONG cContexts;
PWSTR *rgpszContexts;
}
CRYPT_CONTEXTS, *PCRYPT_CONTEXTS;
typedef struct _CRYPT_CONTEXT_FUNCTIONS
{
ULONG cFunctions;
PWSTR *rgpszFunctions;
}
CRYPT_CONTEXT_FUNCTIONS, *PCRYPT_CONTEXT_FUNCTIONS;
typedef struct _CRYPT_CONTEXT_FUNCTION_PROVIDERS
{
ULONG cProviders;
PWSTR *rgpszProviders;
}
CRYPT_CONTEXT_FUNCTION_PROVIDERS, *PCRYPT_CONTEXT_FUNCTION_PROVIDERS;
//
// Provider Resolution Structures
//
typedef struct _CRYPT_PROPERTY_REF
{
PWSTR pszProperty;
ULONG cbValue;
PUCHAR pbValue;
}
CRYPT_PROPERTY_REF, *PCRYPT_PROPERTY_REF;
typedef struct _CRYPT_IMAGE_REF
{
PWSTR pszImage;
ULONG dwFlags;
}
CRYPT_IMAGE_REF, *PCRYPT_IMAGE_REF;
typedef struct _CRYPT_PROVIDER_REF
{
ULONG dwInterface;
PWSTR pszFunction;
PWSTR pszProvider;
ULONG cProperties;
PCRYPT_PROPERTY_REF *rgpProperties;
PCRYPT_IMAGE_REF pUM;
PCRYPT_IMAGE_REF pKM;
}
CRYPT_PROVIDER_REF, *PCRYPT_PROVIDER_REF;
typedef struct _CRYPT_PROVIDER_REFS
{
ULONG cProviders;
PCRYPT_PROVIDER_REF *rgpProviders;
}
CRYPT_PROVIDER_REFS, *PCRYPT_PROVIDER_REFS;
//////////////////////////////////////////////////////////////////////////////
// CryptoConfig Functions ////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////