177 static int datablob_parse(char *datablob, const char **format,  in datablob_parse()  argument
205 		*format = p;  in datablob_parse()
290 	len = sprintf(ascii_buf, "%s %s %s ", epayload->format,  in datablob_format()
515 	digest = epayload->format + epayload->datablob_len;  in datablob_hmac_append()
517 			epayload->format, epayload->datablob_len);  in datablob_hmac_append()
526 				const u8 *format, const u8 *master_key,  in datablob_hmac_verify()  argument
540 	if (!format) {  in datablob_hmac_verify()
542 		len -= strlen(epayload->format) + 1;  in datablob_hmac_verify()
544 		p = epayload->format;  in datablob_hmac_verify()
549 	ret = memcmp(digest, epayload->format + epayload->datablob_len,  in datablob_hmac_verify()
554 			  epayload->format + epayload->datablob_len,  in datablob_hmac_verify()
599 							 const char *format,  in encrypted_key_alloc()  argument
616 	format_len = (!format) ? strlen(key_format_default) : strlen(format);  in encrypted_key_alloc()
619 	if (format && !strcmp(format, key_format_ecryptfs)) {  in encrypted_key_alloc()
652 				 const char *format, const char *hex_encoded_iv)  in encrypted_key_decrypt()  argument
678 	hmac = epayload->format + epayload->datablob_len;  in encrypted_key_decrypt()
688 	ret = datablob_hmac_verify(epayload, format, master_key, master_keylen);  in encrypted_key_decrypt()
708 			const char *format, const char *master_desc,  in __ekey_init()  argument
713 	format_len = (!format) ? strlen(key_format_default) : strlen(format);  in __ekey_init()
714 	epayload->format = epayload->payload_data + epayload->payload_datalen;  in __ekey_init()
715 	epayload->master_desc = epayload->format + format_len + 1;  in __ekey_init()
721 	if (!format)  in __ekey_init()
722 		memcpy(epayload->format, key_format_default, format_len);  in __ekey_init()
724 		if (!strcmp(format, key_format_ecryptfs))  in __ekey_init()
728 		memcpy(epayload->format, format, format_len);  in __ekey_init()
742 			  const char *key_desc, const char *format,  in encrypted_init()  argument
748 	if (format && !strcmp(format, key_format_ecryptfs)) {  in encrypted_init()
757 	__ekey_init(epayload, format, master_desc, datalen);  in encrypted_init()
764 		ret = encrypted_key_decrypt(epayload, format, hex_encoded_iv);  in encrypted_init()
781 	const char *format = NULL;  in encrypted_instantiate()  local
796 	ret = datablob_parse(datablob, &format, &master_desc,  in encrypted_instantiate()
801 	epayload = encrypted_key_alloc(key, format, master_desc,  in encrypted_instantiate()
807 	ret = encrypted_init(epayload, key->description, format, master_desc,  in encrypted_instantiate()
844 	const char *format = NULL;  in encrypted_update()  local
859 	ret = datablob_parse(buf, &format, &new_master_desc, NULL, NULL);  in encrypted_update()
867 	new_epayload = encrypted_key_alloc(key, epayload->format,  in encrypted_update()
874 	__ekey_init(new_epayload, epayload->format, new_master_desc,  in encrypted_update()