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Commit ba8e4459 authored by David Drysdale's avatar David Drysdale Committed by Gerrit Code Review
Browse files

Merge "KeyMint: sync all attestation tags"

parents c8861ece 93c72cef

security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl

+4 −4
Original line number Diff line number Diff line
@@ -159,18 +159,17 @@ parcelable KeyCreationResult { 
     *     purpose                    [1] EXPLICIT SET OF INTEGER OPTIONAL,

     *     algorithm                  [2] EXPLICIT INTEGER OPTIONAL,

     *     keySize                    [3] EXPLICIT INTEGER OPTIONAL,

     *     blockMode                  [4] EXPLICIT SET OF INTEGER OPTIONAL,

     *     digest                     [5] EXPLICIT SET OF INTEGER OPTIONAL,

     *     padding                    [6] EXPLICIT SET OF INTEGER OPTIONAL,

     *     callerNonce                [7] EXPLICIT NULL OPTIONAL,

     *     minMacLength               [8] EXPLICIT INTEGER OPTIONAL,

     *     ecCurve                    [10] EXPLICIT INTEGER OPTIONAL,

     *     rsaPublicExponent          [200] EXPLICIT INTEGER OPTIONAL,

     *     mgfDigest                  [203] EXPLICIT SET OF INTEGER OPTIONAL,

     *     rollbackResistance         [303] EXPLICIT NULL OPTIONAL,

     *     earlyBootOnly              [305] EXPLICIT NULL OPTIONAL,

     *     activeDateTime             [400] EXPLICIT INTEGER OPTIONAL,

     *     originationExpireDateTime  [401] EXPLICIT INTEGER OPTIONAL,

     *     usageExpireDateTime        [402] EXPLICIT INTEGER OPTIONAL,

     *     userSecureId               [502] EXPLICIT INTEGER OPTIONAL,

     *     usageCountLimit            [405] EXPLICIT INTEGER OPTIONAL,

     *     noAuthRequired             [503] EXPLICIT NULL OPTIONAL,

     *     userAuthType               [504] EXPLICIT INTEGER OPTIONAL,

     *     authTimeout                [505] EXPLICIT INTEGER OPTIONAL,
@@ -194,6 +193,7 @@ parcelable KeyCreationResult { 
     *     attestationIdModel         [717] EXPLICIT OCTET_STRING OPTIONAL,

     *     vendorPatchLevel           [718] EXPLICIT INTEGER OPTIONAL,

     *     bootPatchLevel             [719] EXPLICIT INTEGER OPTIONAL,

     *     deviceUniqueAttestation    [720] EXPLICIT NULL OPTIONAL,

     * }

     */

    Certificate[] certificateChain;

security/keymint/support/attestation_record.cpp

+70 −35
Original line number Diff line number Diff line
@@ -64,6 +64,7 @@ ASN1_SEQUENCE(KM_ROOT_OF_TRUST) = { 
} ASN1_SEQUENCE_END(KM_ROOT_OF_TRUST);

IMPLEMENT_ASN1_FUNCTIONS(KM_ROOT_OF_TRUST);



// Fields ordered in tag order.

typedef struct km_auth_list {

    ASN1_INTEGER_SET* purpose;

    ASN1_INTEGER* algorithm;
@@ -72,32 +73,38 @@ typedef struct km_auth_list { 
    ASN1_INTEGER_SET* padding;

    ASN1_INTEGER* ec_curve;

    ASN1_INTEGER* rsa_public_exponent;

    ASN1_INTEGER_SET* mgf_digest;

    ASN1_NULL* rollback_resistance;

    ASN1_NULL* early_boot_only;

    ASN1_INTEGER* active_date_time;

    ASN1_INTEGER* origination_expire_date_time;

    ASN1_INTEGER* usage_expire_date_time;

    ASN1_INTEGER* usage_count_limit;

    ASN1_NULL* no_auth_required;

    ASN1_INTEGER* user_auth_type;

    ASN1_INTEGER* auth_timeout;

    ASN1_NULL* allow_while_on_body;

    ASN1_NULL* all_applications;

    ASN1_OCTET_STRING* application_id;

    ASN1_NULL* trusted_user_presence_required;

    ASN1_NULL* trusted_confirmation_required;

    ASN1_NULL* unlocked_device_required;

    ASN1_INTEGER* creation_date_time;

    ASN1_INTEGER* origin;

    ASN1_NULL* rollback_resistance;

    KM_ROOT_OF_TRUST* root_of_trust;

    ASN1_INTEGER* os_version;

    ASN1_INTEGER* os_patchlevel;

    ASN1_OCTET_STRING* attestation_application_id;

    ASN1_NULL* trusted_user_presence_required;

    ASN1_NULL* trusted_confirmation_required;

    ASN1_NULL* unlocked_device_required;

    ASN1_OCTET_STRING* attestation_id_brand;

    ASN1_OCTET_STRING* attestation_id_device;

    ASN1_OCTET_STRING* attestation_id_product;

    ASN1_OCTET_STRING* attestation_id_serial;

    ASN1_OCTET_STRING* attestation_id_imei;

    ASN1_OCTET_STRING* attestation_id_meid;

    ASN1_OCTET_STRING* attestation_id_manufacturer;

    ASN1_OCTET_STRING* attestation_id_model;

    ASN1_INTEGER* vendor_patchlevel;

    ASN1_INTEGER* boot_patchlevel;

    ASN1_NULL* early_boot_only;

    ASN1_NULL* device_unique_attestation;

    ASN1_NULL* storage_key;

    ASN1_NULL* identity_credential;

    ASN1_INTEGER* usage_count_limit;

} KM_AUTH_LIST;



ASN1_SEQUENCE(KM_AUTH_LIST) = {
@@ -109,13 +116,18 @@ ASN1_SEQUENCE(KM_AUTH_LIST) = { 
        ASN1_EXP_OPT(KM_AUTH_LIST, ec_curve, ASN1_INTEGER, TAG_EC_CURVE.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, rsa_public_exponent, ASN1_INTEGER,

                     TAG_RSA_PUBLIC_EXPONENT.maskedTag()),

        ASN1_EXP_SET_OF_OPT(KM_AUTH_LIST, mgf_digest, ASN1_INTEGER,

                            TAG_RSA_OAEP_MGF_DIGEST.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, rollback_resistance, ASN1_NULL,

                     TAG_ROLLBACK_RESISTANCE.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, early_boot_only, ASN1_NULL, TAG_EARLY_BOOT_ONLY.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, active_date_time, ASN1_INTEGER, TAG_ACTIVE_DATETIME.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, origination_expire_date_time, ASN1_INTEGER,

                     TAG_ORIGINATION_EXPIRE_DATETIME.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, usage_expire_date_time, ASN1_INTEGER,

                     TAG_USAGE_EXPIRE_DATETIME.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, usage_count_limit, ASN1_INTEGER,

                     TAG_USAGE_COUNT_LIMIT.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, no_auth_required, ASN1_NULL, TAG_NO_AUTH_REQUIRED.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, user_auth_type, ASN1_INTEGER, TAG_USER_AUTH_TYPE.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, auth_timeout, ASN1_INTEGER, TAG_AUTH_TIMEOUT.maskedTag()),
@@ -133,19 +145,31 @@ ASN1_SEQUENCE(KM_AUTH_LIST) = { 
        ASN1_EXP_OPT(KM_AUTH_LIST, root_of_trust, KM_ROOT_OF_TRUST, TAG_ROOT_OF_TRUST.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, os_version, ASN1_INTEGER, TAG_OS_VERSION.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, os_patchlevel, ASN1_INTEGER, TAG_OS_PATCHLEVEL.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_application_id, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_APPLICATION_ID.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_id_brand, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_ID_BRAND.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_id_device, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_ID_DEVICE.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_id_product, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_ID_PRODUCT.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_id_serial, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_ID_SERIAL.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_id_imei, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_ID_IMEI.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_id_meid, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_ID_MEID.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_id_manufacturer, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_ID_MANUFACTURER.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_id_model, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_ID_MODEL.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, vendor_patchlevel, ASN1_INTEGER,

                     TAG_VENDOR_PATCHLEVEL.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, boot_patchlevel, ASN1_INTEGER, TAG_BOOT_PATCHLEVEL.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, attestation_application_id, ASN1_OCTET_STRING,

                     TAG_ATTESTATION_APPLICATION_ID.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, early_boot_only, ASN1_NULL, TAG_EARLY_BOOT_ONLY.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, device_unique_attestation, ASN1_NULL,

                     TAG_DEVICE_UNIQUE_ATTESTATION.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, storage_key, ASN1_NULL, TAG_STORAGE_KEY.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, identity_credential, ASN1_NULL,

                     TAG_IDENTITY_CREDENTIAL_KEY.maskedTag()),

        ASN1_EXP_OPT(KM_AUTH_LIST, usage_count_limit, ASN1_INTEGER,

                     TAG_USAGE_COUNT_LIMIT.maskedTag()),

} ASN1_SEQUENCE_END(KM_AUTH_LIST);

IMPLEMENT_ASN1_FUNCTIONS(KM_AUTH_LIST);
@@ -155,9 +179,9 @@ typedef struct km_key_description { 
    ASN1_INTEGER* keymint_version;

    ASN1_ENUMERATED* keymint_security_level;

    ASN1_OCTET_STRING* attestation_challenge;

    ASN1_INTEGER* unique_id;

    KM_AUTH_LIST* software_enforced;

    KM_AUTH_LIST* tee_enforced;

    ASN1_INTEGER* unique_id;

} KM_KEY_DESCRIPTION;



ASN1_SEQUENCE(KM_KEY_DESCRIPTION) = {
@@ -253,41 +277,52 @@ void copyAuthTag(const ASN1_OCTET_STRING* asn1_string, TypedTag<TagType::BYTES, 
}



// Extract the values from the specified ASN.1 record and place them in auth_list.

// Does nothing with root-of-trust field.

static ErrorCode extract_auth_list(const KM_AUTH_LIST* record, AuthorizationSet* auth_list) {

    if (!record) return ErrorCode::OK;



    copyAuthTag(record->active_date_time, TAG_ACTIVE_DATETIME, auth_list);

    // Fields ordered in tag order.

    copyAuthTag(record->purpose, TAG_PURPOSE, auth_list);

    copyAuthTag(record->algorithm, TAG_ALGORITHM, auth_list);

    copyAuthTag(record->application_id, TAG_APPLICATION_ID, auth_list);

    copyAuthTag(record->auth_timeout, TAG_AUTH_TIMEOUT, auth_list);

    copyAuthTag(record->creation_date_time, TAG_CREATION_DATETIME, auth_list);

    copyAuthTag(record->digest, TAG_DIGEST, auth_list);

    copyAuthTag(record->ec_curve, TAG_EC_CURVE, auth_list);

    copyAuthTag(record->key_size, TAG_KEY_SIZE, auth_list);

    copyAuthTag(record->no_auth_required, TAG_NO_AUTH_REQUIRED, auth_list);

    copyAuthTag(record->origin, TAG_ORIGIN, auth_list);

    copyAuthTag(record->origination_expire_date_time, TAG_ORIGINATION_EXPIRE_DATETIME, auth_list);

    copyAuthTag(record->os_patchlevel, TAG_OS_PATCHLEVEL, auth_list);

    copyAuthTag(record->os_version, TAG_OS_VERSION, auth_list);

    copyAuthTag(record->digest, TAG_DIGEST, auth_list);

    copyAuthTag(record->padding, TAG_PADDING, auth_list);

    copyAuthTag(record->purpose, TAG_PURPOSE, auth_list);

    copyAuthTag(record->rollback_resistance, TAG_ROLLBACK_RESISTANCE, auth_list);

    copyAuthTag(record->ec_curve, TAG_EC_CURVE, auth_list);

    copyAuthTag(record->rsa_public_exponent, TAG_RSA_PUBLIC_EXPONENT, auth_list);

    copyAuthTag(record->mgf_digest, TAG_RSA_OAEP_MGF_DIGEST, auth_list);

    copyAuthTag(record->rollback_resistance, TAG_ROLLBACK_RESISTANCE, auth_list);

    copyAuthTag(record->early_boot_only, TAG_EARLY_BOOT_ONLY, auth_list);

    copyAuthTag(record->active_date_time, TAG_ACTIVE_DATETIME, auth_list);

    copyAuthTag(record->origination_expire_date_time, TAG_ORIGINATION_EXPIRE_DATETIME, auth_list);

    copyAuthTag(record->usage_expire_date_time, TAG_USAGE_EXPIRE_DATETIME, auth_list);

    copyAuthTag(record->usage_count_limit, TAG_USAGE_COUNT_LIMIT, auth_list);

    copyAuthTag(record->no_auth_required, TAG_NO_AUTH_REQUIRED, auth_list);

    copyAuthTag(record->user_auth_type, TAG_USER_AUTH_TYPE, auth_list);

    copyAuthTag(record->attestation_application_id, TAG_ATTESTATION_APPLICATION_ID, auth_list);

    copyAuthTag(record->vendor_patchlevel, TAG_VENDOR_PATCHLEVEL, auth_list);

    copyAuthTag(record->boot_patchlevel, TAG_BOOT_PATCHLEVEL, auth_list);

    copyAuthTag(record->auth_timeout, TAG_AUTH_TIMEOUT, auth_list);

    copyAuthTag(record->allow_while_on_body, TAG_ALLOW_WHILE_ON_BODY, auth_list);

    copyAuthTag(record->trusted_user_presence_required, TAG_TRUSTED_USER_PRESENCE_REQUIRED,

                auth_list);

    copyAuthTag(record->trusted_confirmation_required, TAG_TRUSTED_CONFIRMATION_REQUIRED,

                auth_list);

    copyAuthTag(record->unlocked_device_required, TAG_UNLOCKED_DEVICE_REQUIRED, auth_list);

    copyAuthTag(record->early_boot_only, TAG_EARLY_BOOT_ONLY, auth_list);

    copyAuthTag(record->creation_date_time, TAG_CREATION_DATETIME, auth_list);

    copyAuthTag(record->origin, TAG_ORIGIN, auth_list);

    // root_of_trust dealt with separately

    copyAuthTag(record->os_version, TAG_OS_VERSION, auth_list);

    copyAuthTag(record->os_patchlevel, TAG_OS_PATCHLEVEL, auth_list);

    copyAuthTag(record->attestation_application_id, TAG_ATTESTATION_APPLICATION_ID, auth_list);

    copyAuthTag(record->attestation_id_brand, TAG_ATTESTATION_ID_BRAND, auth_list);

    copyAuthTag(record->attestation_id_device, TAG_ATTESTATION_ID_DEVICE, auth_list);

    copyAuthTag(record->attestation_id_product, TAG_ATTESTATION_ID_PRODUCT, auth_list);

    copyAuthTag(record->attestation_id_serial, TAG_ATTESTATION_ID_SERIAL, auth_list);

    copyAuthTag(record->attestation_id_imei, TAG_ATTESTATION_ID_IMEI, auth_list);

    copyAuthTag(record->attestation_id_meid, TAG_ATTESTATION_ID_MEID, auth_list);

    copyAuthTag(record->attestation_id_manufacturer, TAG_ATTESTATION_ID_MANUFACTURER, auth_list);

    copyAuthTag(record->attestation_id_model, TAG_ATTESTATION_ID_MODEL, auth_list);

    copyAuthTag(record->vendor_patchlevel, TAG_VENDOR_PATCHLEVEL, auth_list);

    copyAuthTag(record->boot_patchlevel, TAG_BOOT_PATCHLEVEL, auth_list);

    copyAuthTag(record->device_unique_attestation, TAG_DEVICE_UNIQUE_ATTESTATION, auth_list);

    copyAuthTag(record->storage_key, TAG_STORAGE_KEY, auth_list);

    copyAuthTag(record->identity_credential, TAG_IDENTITY_CREDENTIAL_KEY, auth_list);

    copyAuthTag(record->usage_count_limit, TAG_USAGE_COUNT_LIMIT, auth_list);



    return ErrorCode::OK;

}