369 static int keymaster_create_key(struct crypt_mnt_ftr* ftr) {  in keymaster_create_key()  argument
370     if (ftr->keymaster_blob_size) {  in keymaster_create_key()
376         RSA_KEY_SIZE, RSA_EXPONENT, KEYMASTER_CRYPTFS_RATE_LIMIT, ftr->keymaster_blob,  in keymaster_create_key()
377         KEYMASTER_BLOB_SIZE, &ftr->keymaster_blob_size);  in keymaster_create_key()
379         if (ftr->keymaster_blob_size > KEYMASTER_BLOB_SIZE) {  in keymaster_create_key()
381             ftr->keymaster_blob_size = 0;  in keymaster_create_key()
389 static int keymaster_sign_object_for_cryptfs_scrypt(struct crypt_mnt_ftr* ftr, uint32_t ratelimit,  in keymaster_sign_object_for_cryptfs_scrypt()  argument
405     std::string key(reinterpret_cast<const char*>(ftr->keymaster_blob), ftr->keymaster_blob_size);  in keymaster_sign_object_for_cryptfs_scrypt()
428         write_string_to_buf(*op.getUpgradedBlob(), ftr->keymaster_blob, KEYMASTER_BLOB_SIZE,  in keymaster_sign_object_for_cryptfs_scrypt()
429                             &ftr->keymaster_blob_size);  in keymaster_sign_object_for_cryptfs_scrypt()
432         if (put_crypt_ftr_and_key(ftr) != 0) {  in keymaster_sign_object_for_cryptfs_scrypt()
463 static int keymaster_sign_object(struct crypt_mnt_ftr* ftr, const unsigned char* object,  in keymaster_sign_object()  argument
484     switch (ftr->kdf_type) {  in keymaster_sign_object()
496             SLOGE("Unknown KDF type %d", ftr->kdf_type);  in keymaster_sign_object()
499     return keymaster_sign_object_for_cryptfs_scrypt(ftr, KEYMASTER_CRYPTFS_RATE_LIMIT, to_sign,  in keymaster_sign_object()
548 static void get_device_scrypt_params(struct crypt_mnt_ftr* ftr) {  in get_device_scrypt_params()  argument
557     ftr->N_factor = Nf;  in get_device_scrypt_params()
558     ftr->r_factor = rf;  in get_device_scrypt_params()
559     ftr->p_factor = pf;  in get_device_scrypt_params()
1135 static int add_sector_size_param(DmTargetCrypt* target, struct crypt_mnt_ftr* ftr) {  in add_sector_size_param()  argument
1156         ftr->fs_size &= ~((sector_size / 512) - 1);  in add_sector_size_param()
1250     struct crypt_mnt_ftr* ftr = (struct crypt_mnt_ftr*)params;  in scrypt()  local
1252     int N = 1 << ftr->N_factor;  in scrypt()
1253     int r = 1 << ftr->r_factor;  in scrypt()
1254     int p = 1 << ftr->p_factor;  in scrypt()
1270     struct crypt_mnt_ftr* ftr = (struct crypt_mnt_ftr*)params;  in scrypt_keymaster()  local
1272     int N = 1 << ftr->N_factor;  in scrypt_keymaster()
1273     int r = 1 << ftr->r_factor;  in scrypt_keymaster()
1274     int p = 1 << ftr->p_factor;  in scrypt_keymaster()
1284     if (keymaster_sign_object(ftr, ikey, INTERMEDIATE_BUF_SIZE, &signature, &signature_size)) {  in scrypt_keymaster()
1434 static void get_kdf_func(struct crypt_mnt_ftr* ftr, kdf_func* kdf, void** kdf_params) {  in get_kdf_func()  argument
1435     if (ftr->kdf_type == KDF_SCRYPT_KEYMASTER) {  in get_kdf_func()
1437         *kdf_params = ftr;  in get_kdf_func()
1438     } else if (ftr->kdf_type == KDF_SCRYPT) {  in get_kdf_func()
1440         *kdf_params = ftr;  in get_kdf_func()
2112 static int cryptfs_init_crypt_mnt_ftr(struct crypt_mnt_ftr* ftr) {  in cryptfs_init_crypt_mnt_ftr()  argument
2115     memset(ftr, 0, sizeof(struct crypt_mnt_ftr));  in cryptfs_init_crypt_mnt_ftr()
2116     ftr->magic = CRYPT_MNT_MAGIC;  in cryptfs_init_crypt_mnt_ftr()
2117     ftr->major_version = CURRENT_MAJOR_VERSION;  in cryptfs_init_crypt_mnt_ftr()
2118     ftr->minor_version = CURRENT_MINOR_VERSION;  in cryptfs_init_crypt_mnt_ftr()
2119     ftr->ftr_size = sizeof(struct crypt_mnt_ftr);  in cryptfs_init_crypt_mnt_ftr()
2120     ftr->keysize = get_crypto_type().get_keysize();  in cryptfs_init_crypt_mnt_ftr()
2121     ftr->kdf_type = KDF_SCRYPT_KEYMASTER;  in cryptfs_init_crypt_mnt_ftr()
2123     get_device_scrypt_params(ftr);  in cryptfs_init_crypt_mnt_ftr()
2125     ftr->persist_data_size = CRYPT_PERSIST_DATA_SIZE;  in cryptfs_init_crypt_mnt_ftr()
2127         ftr->persist_data_offset[0] = off + CRYPT_FOOTER_TO_PERSIST_OFFSET;  in cryptfs_init_crypt_mnt_ftr()
2128         ftr->persist_data_offset[1] = off + CRYPT_FOOTER_TO_PERSIST_OFFSET + ftr->persist_data_size;  in cryptfs_init_crypt_mnt_ftr()