LICENSE (29852B)
1 Mbed TLS files are provided under a dual [Apache-2.0](https://spdx.org/licenses/Apache-2.0.html) 2 OR [GPL-2.0-or-later](https://spdx.org/licenses/GPL-2.0-or-later.html) license. 3 This means that users may choose which of these licenses they take the code 4 under. 5 6 The full text of each of these licenses is given below. 7 8 9 Apache License 10 Version 2.0, January 2004 11 http://www.apache.org/licenses/ 12 13 TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 14 15 1. Definitions. 16 17 "License" shall mean the terms and conditions for use, reproduction, 18 and distribution as defined by Sections 1 through 9 of this document. 19 20 "Licensor" shall mean the copyright owner or entity authorized by 21 the copyright owner that is granting the License. 22 23 "Legal Entity" shall mean the union of the acting entity and all 24 other entities that control, are controlled by, or are under common 25 control with that entity. 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We also recommend that a 193 file or class name and description of purpose be included on the 194 same "printed page" as the copyright notice for easier 195 identification within third-party archives. 196 197 Copyright [yyyy] [name of copyright owner] 198 199 Licensed under the Apache License, Version 2.0 (the "License"); 200 you may not use this file except in compliance with the License. 201 You may obtain a copy of the License at 202 203 http://www.apache.org/licenses/LICENSE-2.0 204 205 Unless required by applicable law or agreed to in writing, software 206 distributed under the License is distributed on an "AS IS" BASIS, 207 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 208 See the License for the specific language governing permissions and 209 limitations under the License. 210 211 212 =============================================================================== 213 214 215 GNU GENERAL PUBLIC LICENSE 216 Version 2, June 1991 217 218 Copyright (C) 1989, 1991 Free Software Foundation, Inc., 219 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 220 Everyone is permitted to copy and distribute verbatim copies 221 of this license document, but changing it is not allowed. 222 223 Preamble 224 225 The licenses for most software are designed to take away your 226 freedom to share and change it. By contrast, the GNU General Public 227 License is intended to guarantee your freedom to share and change free 228 software--to make sure the software is free for all its users. This 229 General Public License applies to most of the Free Software 230 Foundation's software and to any other program whose authors commit to 231 using it. (Some other Free Software Foundation software is covered by 232 the GNU Lesser General Public License instead.) You can apply it to 233 your programs, too. 234 235 When we speak of free software, we are referring to freedom, not 236 price. 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To prevent this, we have made it clear that any 268 patent must be licensed for everyone's free use or not licensed at all. 269 270 The precise terms and conditions for copying, distribution and 271 modification follow. 272 273 GNU GENERAL PUBLIC LICENSE 274 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 275 276 0. This License applies to any program or other work which contains 277 a notice placed by the copyright holder saying it may be distributed 278 under the terms of this General Public License. The "Program", below, 279 refers to any such program or work, and a "work based on the Program" 280 means either the Program or any derivative work under copyright law: 281 that is to say, a work containing the Program or a portion of it, 282 either verbatim or with modifications and/or translated into another 283 language. (Hereinafter, translation is included without limitation in 284 the term "modification".) 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You may copy and distribute the Program (or a work based on it, 349 under Section 2) in object code or executable form under the terms of 350 Sections 1 and 2 above provided that you also do one of the following: 351 352 a) Accompany it with the complete corresponding machine-readable 353 source code, which must be distributed under the terms of Sections 354 1 and 2 above on a medium customarily used for software interchange; or, 355 356 b) Accompany it with a written offer, valid for at least three 357 years, to give any third party, for a charge no more than your 358 cost of physically performing source distribution, a complete 359 machine-readable copy of the corresponding source code, to be 360 distributed under the terms of Sections 1 and 2 above on a medium 361 customarily used for software interchange; or, 362 363 c) Accompany it with the information you received as to the offer 364 to distribute corresponding source code. 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Any attempt 388 otherwise to copy, modify, sublicense or distribute the Program is 389 void, and will automatically terminate your rights under this License. 390 However, parties who have received copies, or rights, from you under 391 this License will not have their licenses terminated so long as such 392 parties remain in full compliance. 393 394 5. You are not required to accept this License, since you have not 395 signed it. However, nothing else grants you permission to modify or 396 distribute the Program or its derivative works. These actions are 397 prohibited by law if you do not accept this License. Therefore, by 398 modifying or distributing the Program (or any work based on the 399 Program), you indicate your acceptance of this License to do so, and 400 all its terms and conditions for copying, distributing or modifying 401 the Program or works based on it. 402 403 6. Each time you redistribute the Program (or any work based on the 404 Program), the recipient automatically receives a license from the 405 original licensor to copy, distribute or modify the Program subject to 406 these terms and conditions. You may not impose any further 407 restrictions on the recipients' exercise of the rights granted herein. 408 You are not responsible for enforcing compliance by third parties to 409 this License. 410 411 7. If, as a consequence of a court judgment or allegation of patent 412 infringement or for any other reason (not limited to patent issues), 413 conditions are imposed on you (whether by court order, agreement or 414 otherwise) that contradict the conditions of this License, they do not 415 excuse you from the conditions of this License. If you cannot 416 distribute so as to satisfy simultaneously your obligations under this 417 License and any other pertinent obligations, then as a consequence you 418 may not distribute the Program at all. For example, if a patent 419 license would not permit royalty-free redistribution of the Program by 420 all those who receive copies directly or indirectly through you, then 421 the only way you could satisfy both it and this License would be to 422 refrain entirely from distribution of the Program. 423 424 If any portion of this section is held invalid or unenforceable under 425 any particular circumstance, the balance of the section is intended to 426 apply and the section as a whole is intended to apply in other 427 circumstances. 428 429 It is not the purpose of this section to induce you to infringe any 430 patents or other property right claims or to contest validity of any 431 such claims; this section has the sole purpose of protecting the 432 integrity of the free software distribution system, which is 433 implemented by public license practices. Many people have made 434 generous contributions to the wide range of software distributed 435 through that system in reliance on consistent application of that 436 system; it is up to the author/donor to decide if he or she is willing 437 to distribute software through any other system and a licensee cannot 438 impose that choice. 439 440 This section is intended to make thoroughly clear what is believed to 441 be a consequence of the rest of this License. 442 443 8. If the distribution and/or use of the Program is restricted in 444 certain countries either by patents or by copyrighted interfaces, the 445 original copyright holder who places the Program under this License 446 may add an explicit geographical distribution limitation excluding 447 those countries, so that distribution is permitted only in or among 448 countries not thus excluded. In such case, this License incorporates 449 the limitation as if written in the body of this License. 450 451 9. The Free Software Foundation may publish revised and/or new versions 452 of the General Public License from time to time. Such new versions will 453 be similar in spirit to the present version, but may differ in detail to 454 address new problems or concerns. 455 456 Each version is given a distinguishing version number. If the Program 457 specifies a version number of this License which applies to it and "any 458 later version", you have the option of following the terms and conditions 459 either of that version or of any later version published by the Free 460 Software Foundation. If the Program does not specify a version number of 461 this License, you may choose any version ever published by the Free Software 462 Foundation. 463 464 10. If you wish to incorporate parts of the Program into other free 465 programs whose distribution conditions are different, write to the author 466 to ask for permission. For software which is copyrighted by the Free 467 Software Foundation, write to the Free Software Foundation; we sometimes 468 make exceptions for this. Our decision will be guided by the two goals 469 of preserving the free status of all derivatives of our free software and 470 of promoting the sharing and reuse of software generally. 471 472 NO WARRANTY 473 474 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY 475 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN 476 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES 477 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED 478 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 479 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS 480 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE 481 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, 482 REPAIR OR CORRECTION. 483 484 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 485 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR 486 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, 487 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING 488 OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED 489 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY 490 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER 491 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE 492 POSSIBILITY OF SUCH DAMAGES. 493 494 END OF TERMS AND CONDITIONS 495 496 How to Apply These Terms to Your New Programs 497 498 If you develop a new program, and you want it to be of the greatest 499 possible use to the public, the best way to achieve this is to make it 500 free software which everyone can redistribute and change under these terms. 501 502 To do so, attach the following notices to the program. It is safest 503 to attach them to the start of each source file to most effectively 504 convey the exclusion of warranty; and each file should have at least 505 the "copyright" line and a pointer to where the full notice is found. 506 507 <one line to give the program's name and a brief idea of what it does.> 508 Copyright (C) <year> <name of author> 509 510 This program is free software; you can redistribute it and/or modify 511 it under the terms of the GNU General Public License as published by 512 the Free Software Foundation; either version 2 of the License, or 513 (at your option) any later version. 514 515 This program is distributed in the hope that it will be useful, 516 but WITHOUT ANY WARRANTY; without even the implied warranty of 517 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 518 GNU General Public License for more details. 519 520 You should have received a copy of the GNU General Public License along 521 with this program; if not, write to the Free Software Foundation, Inc., 522 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 523 524 Also add information on how to contact you by electronic and paper mail. 525 526 If the program is interactive, make it output a short notice like this 527 when it starts in an interactive mode: 528 529 Gnomovision version 69, Copyright (C) year name of author 530 Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 531 This is free software, and you are welcome to redistribute it 532 under certain conditions; type `show c' for details. 533 534 The hypothetical commands `show w' and `show c' should show the appropriate 535 parts of the General Public License. Of course, the commands you use may 536 be called something other than `show w' and `show c'; they could even be 537 mouse-clicks or menu items--whatever suits your program. 538 539 You should also get your employer (if you work as a programmer) or your 540 school, if any, to sign a "copyright disclaimer" for the program, if 541 necessary. Here is a sample; alter the names: 542 543 Yoyodyne, Inc., hereby disclaims all copyright interest in the program 544 `Gnomovision' (which makes passes at compilers) written by James Hacker. 545 546 <signature of Ty Coon>, 1 April 1989 547 Ty Coon, President of Vice 548 549 This General Public License does not permit incorporating your program into 550 proprietary programs. If your program is a subroutine library, you may 551 consider it more useful to permit linking proprietary applications with the 552 library. If this is what you want to do, use the GNU Lesser General 553 Public License instead of this License.