// Copyright (c) Microsoft Corporation. All rights reserved. // Licensed under the MIT License. #ifndef __WEBAUTHN_H_ #define __WEBAUTHN_H_ #pragma once #include #pragma region Desktop Family or OneCore Family #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM) #ifdef __cplusplus extern "C" { #endif #ifndef WINAPI #define WINAPI __stdcall #endif #ifndef INITGUID #define INITGUID #include #undef INITGUID #else #include #endif //+------------------------------------------------------------------------------------------ // API Version Information. // Caller should check for WebAuthNGetApiVersionNumber to check the presence of relevant APIs // and features for their usage. //------------------------------------------------------------------------------------------- #define WEBAUTHN_API_VERSION_1 1 // WEBAUTHN_API_VERSION_1 : Baseline Version // Data Structures and their sub versions: // - WEBAUTHN_RP_ENTITY_INFORMATION : 1 // - WEBAUTHN_USER_ENTITY_INFORMATION : 1 // - WEBAUTHN_CLIENT_DATA : 1 // - WEBAUTHN_COSE_CREDENTIAL_PARAMETER : 1 // - WEBAUTHN_COSE_CREDENTIAL_PARAMETERS : Not Applicable // - WEBAUTHN_CREDENTIAL : 1 // - WEBAUTHN_CREDENTIALS : Not Applicable // - WEBAUTHN_CREDENTIAL_EX : 1 // - WEBAUTHN_CREDENTIAL_LIST : Not Applicable // - WEBAUTHN_EXTENSION : Not Applicable // - WEBAUTHN_EXTENSIONS : Not Applicable // - WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS : 3 // - WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS : 4 // - WEBAUTHN_COMMON_ATTESTATION : 1 // - WEBAUTHN_CREDENTIAL_ATTESTATION : 3 // - WEBAUTHN_ASSERTION : 1 // Extensions: // - WEBAUTHN_EXTENSIONS_IDENTIFIER_HMAC_SECRET // APIs: // - WebAuthNGetApiVersionNumber // - WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable // - WebAuthNAuthenticatorMakeCredential // - WebAuthNAuthenticatorGetAssertion // - WebAuthNFreeCredentialAttestation // - WebAuthNFreeAssertion // - WebAuthNGetCancellationId // - WebAuthNCancelCurrentOperation // - WebAuthNGetErrorName // - WebAuthNGetW3CExceptionDOMError #define WEBAUTHN_API_VERSION_2 2 // WEBAUTHN_API_VERSION_2 : Delta From WEBAUTHN_API_VERSION_1 // Added Extensions: // - WEBAUTHN_EXTENSIONS_IDENTIFIER_CRED_PROTECT // #define WEBAUTHN_API_CURRENT_VERSION WEBAUTHN_API_VERSION_2 //+------------------------------------------------------------------------------------------ // Information about an RP Entity //------------------------------------------------------------------------------------------- #define WEBAUTHN_RP_ENTITY_INFORMATION_CURRENT_VERSION 1 typedef struct _WEBAUTHN_RP_ENTITY_INFORMATION { // Version of this structure, to allow for modifications in the future. // This field is required and should be set to CURRENT_VERSION above. DWORD dwVersion; // Identifier for the RP. This field is required. PCWSTR pwszId; // Contains the friendly name of the Relying Party, such as "Acme Corporation", "Widgets Inc" or "Awesome Site". // This field is required. PCWSTR pwszName; // Optional URL pointing to RP's logo. PCWSTR pwszIcon; } WEBAUTHN_RP_ENTITY_INFORMATION, *PWEBAUTHN_RP_ENTITY_INFORMATION; typedef const WEBAUTHN_RP_ENTITY_INFORMATION *PCWEBAUTHN_RP_ENTITY_INFORMATION; //+------------------------------------------------------------------------------------------ // Information about an User Entity //------------------------------------------------------------------------------------------- #define WEBAUTHN_MAX_USER_ID_LENGTH 64 #define WEBAUTHN_USER_ENTITY_INFORMATION_CURRENT_VERSION 1 typedef struct _WEBAUTHN_USER_ENTITY_INFORMATION { // Version of this structure, to allow for modifications in the future. // This field is required and should be set to CURRENT_VERSION above. DWORD dwVersion; // Identifier for the User. This field is required. DWORD cbId; _Field_size_bytes_(cbId) PBYTE pbId; // Contains a detailed name for this account, such as "john.p.smith@example.com". PCWSTR pwszName; // Optional URL that can be used to retrieve an image containing the user's current avatar, // or a data URI that contains the image data. PCWSTR pwszIcon; // For User: Contains the friendly name associated with the user account by the Relying Party, such as "John P. Smith". PCWSTR pwszDisplayName; } WEBAUTHN_USER_ENTITY_INFORMATION, *PWEBAUTHN_USER_ENTITY_INFORMATION; typedef const WEBAUTHN_USER_ENTITY_INFORMATION *PCWEBAUTHN_USER_ENTITY_INFORMATION; //+------------------------------------------------------------------------------------------ // Information about client data. //------------------------------------------------------------------------------------------- #define WEBAUTHN_HASH_ALGORITHM_SHA_256 L"SHA-256" #define WEBAUTHN_HASH_ALGORITHM_SHA_384 L"SHA-384" #define WEBAUTHN_HASH_ALGORITHM_SHA_512 L"SHA-512" #define WEBAUTHN_CLIENT_DATA_CURRENT_VERSION 1 typedef struct _WEBAUTHN_CLIENT_DATA { // Version of this structure, to allow for modifications in the future. // This field is required and should be set to CURRENT_VERSION above. DWORD dwVersion; // Size of the pbClientDataJSON field. DWORD cbClientDataJSON; // UTF-8 encoded JSON serialization of the client data. _Field_size_bytes_(cbClientDataJSON) PBYTE pbClientDataJSON; // Hash algorithm ID used to hash the pbClientDataJSON field. LPCWSTR pwszHashAlgId; } WEBAUTHN_CLIENT_DATA, *PWEBAUTHN_CLIENT_DATA; typedef const WEBAUTHN_CLIENT_DATA *PCWEBAUTHN_CLIENT_DATA; //+------------------------------------------------------------------------------------------ // Information about credential parameters. //------------------------------------------------------------------------------------------- #define WEBAUTHN_CREDENTIAL_TYPE_PUBLIC_KEY L"public-key" #define WEBAUTHN_COSE_ALGORITHM_ECDSA_P256_WITH_SHA256 -7 #define WEBAUTHN_COSE_ALGORITHM_ECDSA_P384_WITH_SHA384 -35 #define WEBAUTHN_COSE_ALGORITHM_ECDSA_P521_WITH_SHA512 -36 #define WEBAUTHN_COSE_ALGORITHM_RSASSA_PKCS1_V1_5_WITH_SHA256 -257 #define WEBAUTHN_COSE_ALGORITHM_RSASSA_PKCS1_V1_5_WITH_SHA384 -258 #define WEBAUTHN_COSE_ALGORITHM_RSASSA_PKCS1_V1_5_WITH_SHA512 -259 #define WEBAUTHN_COSE_ALGORITHM_RSA_PSS_WITH_SHA256 -37 #define WEBAUTHN_COSE_ALGORITHM_RSA_PSS_WITH_SHA384 -38 #define WEBAUTHN_COSE_ALGORITHM_RSA_PSS_WITH_SHA512 -39 #define WEBAUTHN_COSE_CREDENTIAL_PARAMETER_CURRENT_VERSION 1 typedef struct _WEBAUTHN_COSE_CREDENTIAL_PARAMETER { // Version of this structure, to allow for modifications in the future. DWORD dwVersion; // Well-known credential type specifying a credential to create. LPCWSTR pwszCredentialType; // Well-known COSE algorithm specifying the algorithm to use for the credential. LONG lAlg; } WEBAUTHN_COSE_CREDENTIAL_PARAMETER, *PWEBAUTHN_COSE_CREDENTIAL_PARAMETER; typedef const WEBAUTHN_COSE_CREDENTIAL_PARAMETER *PCWEBAUTHN_COSE_CREDENTIAL_PARAMETER; typedef struct _WEBAUTHN_COSE_CREDENTIAL_PARAMETERS { DWORD cCredentialParameters; _Field_size_(cCredentialParameters) PWEBAUTHN_COSE_CREDENTIAL_PARAMETER pCredentialParameters; } WEBAUTHN_COSE_CREDENTIAL_PARAMETERS, *PWEBAUTHN_COSE_CREDENTIAL_PARAMETERS; typedef const WEBAUTHN_COSE_CREDENTIAL_PARAMETERS *PCWEBAUTHN_COSE_CREDENTIAL_PARAMETERS; //+------------------------------------------------------------------------------------------ // Information about credential. //------------------------------------------------------------------------------------------- #define WEBAUTHN_CREDENTIAL_CURRENT_VERSION 1 typedef struct _WEBAUTHN_CREDENTIAL { // Version of this structure, to allow for modifications in the future. DWORD dwVersion; // Size of pbID. DWORD cbId; // Unique ID for this particular credential. _Field_size_bytes_(cbId) PBYTE pbId; // Well-known credential type specifying what this particular credential is. LPCWSTR pwszCredentialType; } WEBAUTHN_CREDENTIAL, *PWEBAUTHN_CREDENTIAL; typedef const WEBAUTHN_CREDENTIAL *PCWEBAUTHN_CREDENTIAL; typedef struct _WEBAUTHN_CREDENTIALS { DWORD cCredentials; _Field_size_(cCredentials) PWEBAUTHN_CREDENTIAL pCredentials; } WEBAUTHN_CREDENTIALS, *PWEBAUTHN_CREDENTIALS; typedef const WEBAUTHN_CREDENTIALS *PCWEBAUTHN_CREDENTIALS; //+------------------------------------------------------------------------------------------ // Information about credential with extra information, such as, dwTransports //------------------------------------------------------------------------------------------- #define WEBAUTHN_CTAP_TRANSPORT_USB 0x00000001 #define WEBAUTHN_CTAP_TRANSPORT_NFC 0x00000002 #define WEBAUTHN_CTAP_TRANSPORT_BLE 0x00000004 #define WEBAUTHN_CTAP_TRANSPORT_TEST 0x00000008 #define WEBAUTHN_CTAP_TRANSPORT_INTERNAL 0x00000010 #define WEBAUTHN_CTAP_TRANSPORT_FLAGS_MASK 0x0000001F #define WEBAUTHN_CREDENTIAL_EX_CURRENT_VERSION 1 typedef struct _WEBAUTHN_CREDENTIAL_EX { // Version of this structure, to allow for modifications in the future. DWORD dwVersion; // Size of pbID. DWORD cbId; // Unique ID for this particular credential. _Field_size_bytes_(cbId) PBYTE pbId; // Well-known credential type specifying what this particular credential is. LPCWSTR pwszCredentialType; // Transports. 0 implies no transport restrictions. DWORD dwTransports; } WEBAUTHN_CREDENTIAL_EX, *PWEBAUTHN_CREDENTIAL_EX; typedef const WEBAUTHN_CREDENTIAL_EX *PCWEBAUTHN_CREDENTIAL_EX; //+------------------------------------------------------------------------------------------ // Information about credential list with extra information //------------------------------------------------------------------------------------------- typedef struct _WEBAUTHN_CREDENTIAL_LIST { DWORD cCredentials; _Field_size_(cCredentials) PWEBAUTHN_CREDENTIAL_EX *ppCredentials; } WEBAUTHN_CREDENTIAL_LIST, *PWEBAUTHN_CREDENTIAL_LIST; typedef const WEBAUTHN_CREDENTIAL_LIST *PCWEBAUTHN_CREDENTIAL_LIST; //+------------------------------------------------------------------------------------------ // Hmac-Secret extension //------------------------------------------------------------------------------------------- #define WEBAUTHN_EXTENSIONS_IDENTIFIER_HMAC_SECRET L"hmac-secret" // Below type definitions is for WEBAUTHN_EXTENSIONS_IDENTIFIER_HMAC_SECRET // MakeCredential Input Type: BOOL. // - pvExtension must point to a BOOL with the value TRUE. // - cbExtension must contain the sizeof(BOOL). // MakeCredential Output Type: BOOL. // - pvExtension will point to a BOOL with the value TRUE if credential // was successfully created with HMAC_SECRET. // - cbExtension will contain the sizeof(BOOL). // GetAssertion Input Type: Not Supported // GetAssertion Output Type: Not Supported //+------------------------------------------------------------------------------------------ // credProtect extension //------------------------------------------------------------------------------------------- #define WEBAUTHN_USER_VERIFICATION_ANY 0 #define WEBAUTHN_USER_VERIFICATION_OPTIONAL 1 #define WEBAUTHN_USER_VERIFICATION_OPTIONAL_WITH_CREDENTIAL_ID_LIST 2 #define WEBAUTHN_USER_VERIFICATION_REQUIRED 3 typedef struct _WEBAUTHN_CRED_PROTECT_EXTENSION_IN { // One of the above WEBAUTHN_USER_VERIFICATION_* values DWORD dwCredProtect; // Set the following to TRUE to require authenticator support for the // credProtect extension BOOL bRequireCredProtect; } WEBAUTHN_CRED_PROTECT_EXTENSION_IN, *PWEBAUTHN_CRED_PROTECT_EXTENSION_IN; typedef const WEBAUTHN_CRED_PROTECT_EXTENSION_IN* PCWEBAUTHN_CRED_PROTECT_EXTENSION_IN; #define WEBAUTHN_EXTENSIONS_IDENTIFIER_CRED_PROTECT L"credProtect" // Below type definitions is for WEBAUTHN_EXTENSIONS_IDENTIFIER_CRED_PROTECT // MakeCredential Input Type: WEBAUTHN_CRED_PROTECT_EXTENSION_IN. // - pvExtension must point to a WEBAUTHN_CRED_PROTECT_EXTENSION_IN struct // - cbExtension will contain the // sizeof(WEBAUTHN_CRED_PROTECT_EXTENSION_IN). // MakeCredential Output Type: DWORD. // - pvExtension will point to a DWORD with one of the above // WEBAUTHN_USER_VERIFICATION_* values // if credential was successfully created with CRED_PROTECT. // - cbExtension will contain the sizeof(DWORD). // GetAssertion Input Type: Not Supported // GetAssertion Output Type: Not Supported //+------------------------------------------------------------------------------------------ // Information about Extensions. //------------------------------------------------------------------------------------------- typedef struct _WEBAUTHN_EXTENSION { LPCWSTR pwszExtensionIdentifier; DWORD cbExtension; PVOID pvExtension; } WEBAUTHN_EXTENSION, *PWEBAUTHN_EXTENSION; typedef const WEBAUTHN_EXTENSION *PCWEBAUTHN_EXTENSION; typedef struct _WEBAUTHN_EXTENSIONS { DWORD cExtensions; _Field_size_(cExtensions) PWEBAUTHN_EXTENSION pExtensions; } WEBAUTHN_EXTENSIONS, *PWEBAUTHN_EXTENSIONS; typedef const WEBAUTHN_EXTENSIONS *PCWEBAUTHN_EXTENSIONS; //+------------------------------------------------------------------------------------------ // Options. //------------------------------------------------------------------------------------------- #define WEBAUTHN_AUTHENTICATOR_ATTACHMENT_ANY 0 #define WEBAUTHN_AUTHENTICATOR_ATTACHMENT_PLATFORM 1 #define WEBAUTHN_AUTHENTICATOR_ATTACHMENT_CROSS_PLATFORM 2 #define WEBAUTHN_AUTHENTICATOR_ATTACHMENT_CROSS_PLATFORM_U2F_V2 3 #define WEBAUTHN_USER_VERIFICATION_REQUIREMENT_ANY 0 #define WEBAUTHN_USER_VERIFICATION_REQUIREMENT_REQUIRED 1 #define WEBAUTHN_USER_VERIFICATION_REQUIREMENT_PREFERRED 2 #define WEBAUTHN_USER_VERIFICATION_REQUIREMENT_DISCOURAGED 3 #define WEBAUTHN_ATTESTATION_CONVEYANCE_PREFERENCE_ANY 0 #define WEBAUTHN_ATTESTATION_CONVEYANCE_PREFERENCE_NONE 1 #define WEBAUTHN_ATTESTATION_CONVEYANCE_PREFERENCE_INDIRECT 2 #define WEBAUTHN_ATTESTATION_CONVEYANCE_PREFERENCE_DIRECT 3 #define WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS_VERSION_1 1 #define WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS_VERSION_2 2 #define WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS_VERSION_3 3 #define WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS_CURRENT_VERSION WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS_VERSION_3 typedef struct _WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS { // Version of this structure, to allow for modifications in the future. DWORD dwVersion; // Time that the operation is expected to complete within. // This is used as guidance, and can be overridden by the platform. DWORD dwTimeoutMilliseconds; // Credentials used for exclusion. WEBAUTHN_CREDENTIALS CredentialList; // Optional extensions to parse when performing the operation. WEBAUTHN_EXTENSIONS Extensions; // Optional. Platform vs Cross-Platform Authenticators. DWORD dwAuthenticatorAttachment; // Optional. Require key to be resident or not. Defaulting to FALSE; BOOL bRequireResidentKey; // User Verification Requirement. DWORD dwUserVerificationRequirement; // Attestation Conveyance Preference. DWORD dwAttestationConveyancePreference; // Reserved for future Use DWORD dwFlags; // // The following fields have been added in WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS_VERSION_2 // // Cancellation Id - Optional - See WebAuthNGetCancellationId GUID *pCancellationId; // // The following fields have been added in WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS_VERSION_3 // // Exclude Credential List. If present, "CredentialList" will be ignored. PWEBAUTHN_CREDENTIAL_LIST pExcludeCredentialList; } WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS, *PWEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS; typedef const WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS *PCWEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS; #define WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS_VERSION_1 1 #define WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS_VERSION_2 2 #define WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS_VERSION_3 3 #define WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS_VERSION_4 4 #define WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS_CURRENT_VERSION WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS_VERSION_4 typedef struct _WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS { // Version of this structure, to allow for modifications in the future. DWORD dwVersion; // Time that the operation is expected to complete within. // This is used as guidance, and can be overridden by the platform. DWORD dwTimeoutMilliseconds; // Allowed Credentials List. WEBAUTHN_CREDENTIALS CredentialList; // Optional extensions to parse when performing the operation. WEBAUTHN_EXTENSIONS Extensions; // Optional. Platform vs Cross-Platform Authenticators. DWORD dwAuthenticatorAttachment; // User Verification Requirement. DWORD dwUserVerificationRequirement; // Reserved for future Use DWORD dwFlags; // // The following fields have been added in WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS_VERSION_2 // // Optional identifier for the U2F AppId. Converted to UTF8 before being hashed. Not lower cased. PCWSTR pwszU2fAppId; // If the following is non-NULL, then, set to TRUE if the above pwszU2fAppid was used instead of // PCWSTR pwszRpId; BOOL *pbU2fAppId; // // The following fields have been added in WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS_VERSION_3 // // Cancellation Id - Optional - See WebAuthNGetCancellationId GUID *pCancellationId; // // The following fields have been added in WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS_VERSION_4 // // Allow Credential List. If present, "CredentialList" will be ignored. PWEBAUTHN_CREDENTIAL_LIST pAllowCredentialList; } WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS, *PWEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS; typedef const WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS *PCWEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS; //+------------------------------------------------------------------------------------------ // Attestation Info. // //------------------------------------------------------------------------------------------- #define WEBAUTHN_ATTESTATION_DECODE_NONE 0 #define WEBAUTHN_ATTESTATION_DECODE_COMMON 1 // WEBAUTHN_ATTESTATION_DECODE_COMMON supports format types // L"packed" // L"fido-u2f" #define WEBAUTHN_ATTESTATION_VER_TPM_2_0 L"2.0" typedef struct _WEBAUTHN_X5C { // Length of X.509 encoded certificate DWORD cbData; // X.509 encoded certificate bytes _Field_size_bytes_(cbData) PBYTE pbData; } WEBAUTHN_X5C, *PWEBAUTHN_X5C; // Supports either Self or Full Basic Attestation // Note, new fields will be added to the following data structure to // support additional attestation format types, such as, TPM. // When fields are added, the dwVersion will be incremented. // // Therefore, your code must make the following check: // "if (dwVersion >= WEBAUTHN_COMMON_ATTESTATION_CURRENT_VERSION)" #define WEBAUTHN_COMMON_ATTESTATION_CURRENT_VERSION 1 typedef struct _WEBAUTHN_COMMON_ATTESTATION { // Version of this structure, to allow for modifications in the future. DWORD dwVersion; // Hash and Padding Algorithm // // The following won't be set for "fido-u2f" which assumes "ES256". PCWSTR pwszAlg; LONG lAlg; // COSE algorithm // Signature that was generated for this attestation. DWORD cbSignature; _Field_size_bytes_(cbSignature) PBYTE pbSignature; // Following is set for Full Basic Attestation. If not, set then, this is Self Attestation. // Array of X.509 DER encoded certificates. The first certificate is the signer, leaf certificate. DWORD cX5c; _Field_size_(cX5c) PWEBAUTHN_X5C pX5c; // Following are also set for tpm PCWSTR pwszVer; // L"2.0" DWORD cbCertInfo; _Field_size_bytes_(cbCertInfo) PBYTE pbCertInfo; DWORD cbPubArea; _Field_size_bytes_(cbPubArea) PBYTE pbPubArea; } WEBAUTHN_COMMON_ATTESTATION, *PWEBAUTHN_COMMON_ATTESTATION; typedef const WEBAUTHN_COMMON_ATTESTATION *PCWEBAUTHN_COMMON_ATTESTATION; #define WEBAUTHN_ATTESTATION_TYPE_PACKED L"packed" #define WEBAUTHN_ATTESTATION_TYPE_U2F L"fido-u2f" #define WEBAUTHN_ATTESTATION_TYPE_TPM L"tpm" #define WEBAUTHN_ATTESTATION_TYPE_NONE L"none" #define WEBAUTHN_CREDENTIAL_ATTESTATION_VERSION_1 1 #define WEBAUTHN_CREDENTIAL_ATTESTATION_VERSION_2 2 #define WEBAUTHN_CREDENTIAL_ATTESTATION_VERSION_3 3 #define WEBAUTHN_CREDENTIAL_ATTESTATION_CURRENT_VERSION WEBAUTHN_CREDENTIAL_ATTESTATION_VERSION_3 typedef struct _WEBAUTHN_CREDENTIAL_ATTESTATION { // Version of this structure, to allow for modifications in the future. DWORD dwVersion; // Attestation format type PCWSTR pwszFormatType; // Size of cbAuthenticatorData. DWORD cbAuthenticatorData; // Authenticator data that was created for this credential. _Field_size_bytes_(cbAuthenticatorData) PBYTE pbAuthenticatorData; // Size of CBOR encoded attestation information //0 => encoded as CBOR null value. DWORD cbAttestation; //Encoded CBOR attestation information _Field_size_bytes_(cbAttestation) PBYTE pbAttestation; DWORD dwAttestationDecodeType; // Following depends on the dwAttestationDecodeType // WEBAUTHN_ATTESTATION_DECODE_NONE // NULL - not able to decode the CBOR attestation information // WEBAUTHN_ATTESTATION_DECODE_COMMON // PWEBAUTHN_COMMON_ATTESTATION; PVOID pvAttestationDecode; // The CBOR encoded Attestation Object to be returned to the RP. DWORD cbAttestationObject; _Field_size_bytes_(cbAttestationObject) PBYTE pbAttestationObject; // The CredentialId bytes extracted from the Authenticator Data. // Used by Edge to return to the RP. DWORD cbCredentialId; _Field_size_bytes_(cbCredentialId) PBYTE pbCredentialId; // // Following fields have been added in WEBAUTHN_CREDENTIAL_ATTESTATION_VERSION_2 // WEBAUTHN_EXTENSIONS Extensions; // // Following fields have been added in WEBAUTHN_CREDENTIAL_ATTESTATION_VERSION_3 // // One of the WEBAUTHN_CTAP_TRANSPORT_* bits will be set corresponding to // the transport that was used. DWORD dwUsedTransport; } WEBAUTHN_CREDENTIAL_ATTESTATION, *PWEBAUTHN_CREDENTIAL_ATTESTATION; typedef const WEBAUTHN_CREDENTIAL_ATTESTATION *PCWEBAUTHN_CREDENTIAL_ATTESTATION; //+------------------------------------------------------------------------------------------ // authenticatorGetAssertion output. //------------------------------------------------------------------------------------------- #define WEBAUTHN_ASSERTION_CURRENT_VERSION 1 typedef struct _WEBAUTHN_ASSERTION { // Version of this structure, to allow for modifications in the future. DWORD dwVersion; // Size of cbAuthenticatorData. DWORD cbAuthenticatorData; // Authenticator data that was created for this assertion. _Field_size_bytes_(cbAuthenticatorData) PBYTE pbAuthenticatorData; // Size of pbSignature. DWORD cbSignature; // Signature that was generated for this assertion. _Field_size_bytes_(cbSignature) PBYTE pbSignature; // Credential that was used for this assertion. WEBAUTHN_CREDENTIAL Credential; // Size of User Id DWORD cbUserId; // UserId _Field_size_bytes_(cbUserId) PBYTE pbUserId; } WEBAUTHN_ASSERTION, *PWEBAUTHN_ASSERTION; typedef const WEBAUTHN_ASSERTION *PCWEBAUTHN_ASSERTION; //+------------------------------------------------------------------------------------------ // APIs. //------------------------------------------------------------------------------------------- DWORD WINAPI WebAuthNGetApiVersionNumber(); HRESULT WINAPI WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable( _Out_ BOOL *pbIsUserVerifyingPlatformAuthenticatorAvailable); HRESULT WINAPI WebAuthNAuthenticatorMakeCredential( _In_ HWND hWnd, _In_ PCWEBAUTHN_RP_ENTITY_INFORMATION pRpInformation, _In_ PCWEBAUTHN_USER_ENTITY_INFORMATION pUserInformation, _In_ PCWEBAUTHN_COSE_CREDENTIAL_PARAMETERS pPubKeyCredParams, _In_ PCWEBAUTHN_CLIENT_DATA pWebAuthNClientData, _In_opt_ PCWEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS pWebAuthNMakeCredentialOptions, _Outptr_result_maybenull_ PWEBAUTHN_CREDENTIAL_ATTESTATION *ppWebAuthNCredentialAttestation); HRESULT WINAPI WebAuthNAuthenticatorGetAssertion( _In_ HWND hWnd, _In_ LPCWSTR pwszRpId, _In_ PCWEBAUTHN_CLIENT_DATA pWebAuthNClientData, _In_opt_ PCWEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS pWebAuthNGetAssertionOptions, _Outptr_result_maybenull_ PWEBAUTHN_ASSERTION *ppWebAuthNAssertion); void WINAPI WebAuthNFreeCredentialAttestation( _In_opt_ PWEBAUTHN_CREDENTIAL_ATTESTATION pWebAuthNCredentialAttestation); void WINAPI WebAuthNFreeAssertion( _In_ PWEBAUTHN_ASSERTION pWebAuthNAssertion); HRESULT WINAPI WebAuthNGetCancellationId( _Out_ GUID* pCancellationId); HRESULT WINAPI WebAuthNCancelCurrentOperation( _In_ const GUID* pCancellationId); // // Returns the following Error Names: // L"Success" - S_OK // L"InvalidStateError" - NTE_EXISTS // L"ConstraintError" - HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED), // NTE_NOT_SUPPORTED, // NTE_TOKEN_KEYSET_STORAGE_FULL // L"NotSupportedError" - NTE_INVALID_PARAMETER // L"NotAllowedError" - NTE_DEVICE_NOT_FOUND, // NTE_NOT_FOUND, // HRESULT_FROM_WIN32(ERROR_CANCELLED), // NTE_USER_CANCELLED, // HRESULT_FROM_WIN32(ERROR_TIMEOUT) // L"UnknownError" - All other hr values // PCWSTR WINAPI WebAuthNGetErrorName( _In_ HRESULT hr); HRESULT WINAPI WebAuthNGetW3CExceptionDOMError( _In_ HRESULT hr); #ifdef __cplusplus } // Balance extern "C" above #endif #endif // WINAPI_FAMILY_PARTITION #pragma endregion #endif // __WEBAUTHN_H_