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Commit | Line | Data |
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1 | ||
2 | OpenSSL CHANGES | |
3 | _______________ | |
4 | ||
5 | Changes between 1.0.0 and 1.1.0 [xx XXX xxxx] | |
6 | ||
7 | *) Add algorithm specific signature printing. An individual ASN1 method | |
8 | can now print out signatures instead of the standard hex dump. | |
9 | ||
10 | More complex signatures (e.g. PSS) can print out more meaningful | |
11 | information. Include DSA version that prints out the signature | |
12 | parameters r, s. | |
13 | [Steve Henson] | |
14 | ||
15 | *) Add -trusted_first option which attempts to find certificates in the | |
16 | trusted store even if an untrusted chain is also supplied. | |
17 | [Steve Henson] | |
18 | ||
19 | *) Initial experimental support for explicitly trusted non-root CAs. | |
20 | OpenSSL still tries to build a complete chain to a root but if an | |
21 | intermediate CA has a trust setting included that is used. The first | |
22 | setting is used: whether to trust or reject. | |
23 | [Steve Henson] | |
24 | ||
25 | *) New -verify_name option in command line utilities to set verification | |
26 | parameters by name. | |
27 | [Steve Henson] | |
28 | ||
29 | *) Initial CMAC implementation. WARNING: EXPERIMENTAL, API MAY CHANGE. | |
30 | Add CMAC pkey methods. | |
31 | [Steve Henson] | |
32 | ||
33 | *) Experiemental regnegotiation in s_server -www mode. If the client | |
34 | browses /reneg connection is renegotiated. If /renegcert it is | |
35 | renegotiated requesting a certificate. | |
36 | [Steve Henson] | |
37 | ||
38 | *) Add an "external" session cache for debugging purposes to s_server. This | |
39 | should help trace issues which normally are only apparent in deployed | |
40 | multi-process servers. | |
41 | [Steve Henson] | |
42 | ||
43 | *) Initial TLSv1.1 support. Since TLSv1.1 is very similar to TLS v1.0 only | |
44 | a few changes are required: | |
45 | ||
46 | Add SSL_OP_NO_TLSv1_1 flag. | |
47 | Add TLSv1_1 methods. | |
48 | Update version checking logic to handle version 1.1. | |
49 | Add explicit IV handling (ported from DTLS code). | |
50 | Add command line options to s_client/s_server. | |
51 | [Steve Henson] | |
52 | ||
53 | *) Experiemental password based recipient info support for CMS library: | |
54 | implementing RFC3211. | |
55 | [Steve Henson] | |
56 | ||
57 | *) Split password based encryption into PBES2 and PBKDF2 functions. This | |
58 | neatly separates the code into cipher and PBE sections and is required | |
59 | for some algorithms that split PBES2 into separate pieces (such as | |
60 | password based CMS). | |
61 | [Steve Henson] | |
62 | ||
63 | *) Extensive audit of libcrypto with DEBUG_UNUSED. Fix many cases where | |
64 | return value is ignored. NB. The functions RAND_add(), RAND_seed(), | |
65 | BIO_set_cipher() and some obscure PEM functions were changed so they | |
66 | can now return an error. The RAND changes required a change to the | |
67 | RAND_METHOD structure. | |
68 | [Steve Henson] | |
69 | ||
70 | *) New macro __owur for "OpenSSL Warn Unused Result". This makes use of | |
71 | a gcc attribute to warn if the result of a function is ignored. This | |
72 | is enable if DEBUG_UNUSED is set. Add to several functions in evp.h | |
73 | whose return value is often ignored. | |
74 | [Steve Henson] | |
75 | ||
76 | Changes between 0.9.8m and 1.0.0 [25 Feb 2010] | |
77 | ||
78 | *) Add "missing" function EVP_CIPHER_CTX_copy(). This copies a cipher | |
79 | context. The operation can be customised via the ctrl mechanism in | |
80 | case ENGINEs want to include additional functionality. | |
81 | [Steve Henson] | |
82 | ||
83 | *) Tolerate yet another broken PKCS#8 key format: private key value negative. | |
84 | [Steve Henson] | |
85 | ||
86 | *) Add new -subject_hash_old and -issuer_hash_old options to x509 utility to | |
87 | output hashes compatible with older versions of OpenSSL. | |
88 | [Willy Weisz <weisz@vcpc.univie.ac.at>] | |
89 | ||
90 | *) Fix compression algorithm handling: if resuming a session use the | |
91 | compression algorithm of the resumed session instead of determining | |
92 | it from client hello again. Don't allow server to change algorithm. | |
93 | [Steve Henson] | |
94 | ||
95 | *) Constify crypto/cast (i.e., <openssl/cast.h>): a CAST_KEY doesn't | |
96 | change when encrypting or decrypting. | |
97 | [Bodo Moeller] | |
98 | ||
99 | *) Add load_crls() function to apps tidying load_certs() too. Add option | |
100 | to verify utility to allow additional CRLs to be included. | |
101 | [Steve Henson] | |
102 | ||
103 | *) Update OCSP request code to permit adding custom headers to the request: | |
104 | some responders need this. | |
105 | [Steve Henson] | |
106 | ||
107 | *) The function EVP_PKEY_sign() returns <=0 on error: check return code | |
108 | correctly. | |
109 | [Julia Lawall <julia@diku.dk>] | |
110 | ||
111 | *) Update verify callback code in apps/s_cb.c and apps/verify.c, it | |
112 | needlessly dereferenced structures, used obsolete functions and | |
113 | didn't handle all updated verify codes correctly. | |
114 | [Steve Henson] | |
115 | ||
116 | *) Disable MD2 in the default configuration. | |
117 | [Steve Henson] | |
118 | ||
119 | *) In BIO_pop() and BIO_push() use the ctrl argument (which was NULL) to | |
120 | indicate the initial BIO being pushed or popped. This makes it possible | |
121 | to determine whether the BIO is the one explicitly called or as a result | |
122 | of the ctrl being passed down the chain. Fix BIO_pop() and SSL BIOs so | |
123 | it handles reference counts correctly and doesn't zero out the I/O bio | |
124 | when it is not being explicitly popped. WARNING: applications which | |
125 | included workarounds for the old buggy behaviour will need to be modified | |
126 | or they could free up already freed BIOs. | |
127 | [Steve Henson] | |
128 | ||
129 | *) Extend the uni2asc/asc2uni => OPENSSL_uni2asc/OPENSSL_asc2uni | |
130 | renaming to all platforms (within the 0.9.8 branch, this was | |
131 | done conditionally on Netware platforms to avoid a name clash). | |
132 | [Guenter <lists@gknw.net>] | |
133 | ||
134 | *) Add ECDHE and PSK support to DTLS. | |
135 | [Michael Tuexen <tuexen@fh-muenster.de>] | |
136 | ||
137 | *) Add CHECKED_STACK_OF macro to safestack.h, otherwise safestack can't | |
138 | be used on C++. | |
139 | [Steve Henson] | |
140 | ||
141 | *) Add "missing" function EVP_MD_flags() (without this the only way to | |
142 | retrieve a digest flags is by accessing the structure directly. Update | |
143 | EVP_MD_do_all*() and EVP_CIPHER_do_all*() to include the name a digest | |
144 | or cipher is registered as in the "from" argument. Print out all | |
145 | registered digests in the dgst usage message instead of manually | |
146 | attempting to work them out. | |
147 | [Steve Henson] | |
148 | ||
149 | *) If no SSLv2 ciphers are used don't use an SSLv2 compatible client hello: | |
150 | this allows the use of compression and extensions. Change default cipher | |
151 | string to remove SSLv2 ciphersuites. This effectively avoids ancient SSLv2 | |
152 | by default unless an application cipher string requests it. | |
153 | [Steve Henson] | |
154 | ||
155 | *) Alter match criteria in PKCS12_parse(). It used to try to use local | |
156 | key ids to find matching certificates and keys but some PKCS#12 files | |
157 | don't follow the (somewhat unwritten) rules and this strategy fails. | |
158 | Now just gather all certificates together and the first private key | |
159 | then look for the first certificate that matches the key. | |
160 | [Steve Henson] | |
161 | ||
162 | *) Support use of registered digest and cipher names for dgst and cipher | |
163 | commands instead of having to add each one as a special case. So now | |
164 | you can do: | |
165 | ||
166 | openssl sha256 foo | |
167 | ||
168 | as well as: | |
169 | ||
170 | openssl dgst -sha256 foo | |
171 | ||
172 | and this works for ENGINE based algorithms too. | |
173 | ||
174 | [Steve Henson] | |
175 | ||
176 | *) Update Gost ENGINE to support parameter files. | |
177 | [Victor B. Wagner <vitus@cryptocom.ru>] | |
178 | ||
179 | *) Support GeneralizedTime in ca utility. | |
180 | [Oliver Martin <oliver@volatilevoid.net>, Steve Henson] | |
181 | ||
182 | *) Enhance the hash format used for certificate directory links. The new | |
183 | form uses the canonical encoding (meaning equivalent names will work | |
184 | even if they aren't identical) and uses SHA1 instead of MD5. This form | |
185 | is incompatible with the older format and as a result c_rehash should | |
186 | be used to rebuild symbolic links. | |
187 | [Steve Henson] | |
188 | ||
189 | *) Make PKCS#8 the default write format for private keys, replacing the | |
190 | traditional format. This form is standardised, more secure and doesn't | |
191 | include an implicit MD5 dependency. | |
192 | [Steve Henson] | |
193 | ||
194 | *) Add a $gcc_devteam_warn option to Configure. The idea is that any code | |
195 | committed to OpenSSL should pass this lot as a minimum. | |
196 | [Steve Henson] | |
197 | ||
198 | *) Add session ticket override functionality for use by EAP-FAST. | |
199 | [Jouni Malinen <j@w1.fi>] | |
200 | ||
201 | *) Modify HMAC functions to return a value. Since these can be implemented | |
202 | in an ENGINE errors can occur. | |
203 | [Steve Henson] | |
204 | ||
205 | *) Type-checked OBJ_bsearch_ex. | |
206 | [Ben Laurie] | |
207 | ||
208 | *) Type-checked OBJ_bsearch. Also some constification necessitated | |
209 | by type-checking. Still to come: TXT_DB, bsearch(?), | |
210 | OBJ_bsearch_ex, qsort, CRYPTO_EX_DATA, ASN1_VALUE, ASN1_STRING, | |
211 | CONF_VALUE. | |
212 | [Ben Laurie] | |
213 | ||
214 | *) New function OPENSSL_gmtime_adj() to add a specific number of days and | |
215 | seconds to a tm structure directly, instead of going through OS | |
216 | specific date routines. This avoids any issues with OS routines such | |
217 | as the year 2038 bug. New *_adj() functions for ASN1 time structures | |
218 | and X509_time_adj_ex() to cover the extended range. The existing | |
219 | X509_time_adj() is still usable and will no longer have any date issues. | |
220 | [Steve Henson] | |
221 | ||
222 | *) Delta CRL support. New use deltas option which will attempt to locate | |
223 | and search any appropriate delta CRLs available. | |
224 | ||
225 | This work was sponsored by Google. | |
226 | [Steve Henson] | |
227 | ||
228 | *) Support for CRLs partitioned by reason code. Reorganise CRL processing | |
229 | code and add additional score elements. Validate alternate CRL paths | |
230 | as part of the CRL checking and indicate a new error "CRL path validation | |
231 | error" in this case. Applications wanting additional details can use | |
232 | the verify callback and check the new "parent" field. If this is not | |
233 | NULL CRL path validation is taking place. Existing applications wont | |
234 | see this because it requires extended CRL support which is off by | |
235 | default. | |
236 | ||
237 | This work was sponsored by Google. | |
238 | [Steve Henson] | |
239 | ||
240 | *) Support for freshest CRL extension. | |
241 | ||
242 | This work was sponsored by Google. | |
243 | [Steve Henson] | |
244 | ||
245 | *) Initial indirect CRL support. Currently only supported in the CRLs | |
246 | passed directly and not via lookup. Process certificate issuer | |
247 | CRL entry extension and lookup CRL entries by bother issuer name | |
248 | and serial number. Check and process CRL issuer entry in IDP extension. | |
249 | ||
250 | This work was sponsored by Google. | |
251 | [Steve Henson] | |
252 | ||
253 | *) Add support for distinct certificate and CRL paths. The CRL issuer | |
254 | certificate is validated separately in this case. Only enabled if | |
255 | an extended CRL support flag is set: this flag will enable additional | |
256 | CRL functionality in future. | |
257 | ||
258 | This work was sponsored by Google. | |
259 | [Steve Henson] | |
260 | ||
261 | *) Add support for policy mappings extension. | |
262 | ||
263 | This work was sponsored by Google. | |
264 | [Steve Henson] | |
265 | ||
266 | *) Fixes to pathlength constraint, self issued certificate handling, | |
267 | policy processing to align with RFC3280 and PKITS tests. | |
268 | ||
269 | This work was sponsored by Google. | |
270 | [Steve Henson] | |
271 | ||
272 | *) Support for name constraints certificate extension. DN, email, DNS | |
273 | and URI types are currently supported. | |
274 | ||
275 | This work was sponsored by Google. | |
276 | [Steve Henson] | |
277 | ||
278 | *) To cater for systems that provide a pointer-based thread ID rather | |
279 | than numeric, deprecate the current numeric thread ID mechanism and | |
280 | replace it with a structure and associated callback type. This | |
281 | mechanism allows a numeric "hash" to be extracted from a thread ID in | |
282 | either case, and on platforms where pointers are larger than 'long', | |
283 | mixing is done to help ensure the numeric 'hash' is usable even if it | |
284 | can't be guaranteed unique. The default mechanism is to use "&errno" | |
285 | as a pointer-based thread ID to distinguish between threads. | |
286 | ||
287 | Applications that want to provide their own thread IDs should now use | |
288 | CRYPTO_THREADID_set_callback() to register a callback that will call | |
289 | either CRYPTO_THREADID_set_numeric() or CRYPTO_THREADID_set_pointer(). | |
290 | ||
291 | Note that ERR_remove_state() is now deprecated, because it is tied | |
292 | to the assumption that thread IDs are numeric. ERR_remove_state(0) | |
293 | to free the current thread's error state should be replaced by | |
294 | ERR_remove_thread_state(NULL). | |
295 | ||
296 | (This new approach replaces the functions CRYPTO_set_idptr_callback(), | |
297 | CRYPTO_get_idptr_callback(), and CRYPTO_thread_idptr() that existed in | |
298 | OpenSSL 0.9.9-dev between June 2006 and August 2008. Also, if an | |
299 | application was previously providing a numeric thread callback that | |
300 | was inappropriate for distinguishing threads, then uniqueness might | |
301 | have been obtained with &errno that happened immediately in the | |
302 | intermediate development versions of OpenSSL; this is no longer the | |
303 | case, the numeric thread callback will now override the automatic use | |
304 | of &errno.) | |
305 | [Geoff Thorpe, with help from Bodo Moeller] | |
306 | ||
307 | *) Initial support for different CRL issuing certificates. This covers a | |
308 | simple case where the self issued certificates in the chain exist and | |
309 | the real CRL issuer is higher in the existing chain. | |
310 | ||
311 | This work was sponsored by Google. | |
312 | [Steve Henson] | |
313 | ||
314 | *) Removed effectively defunct crypto/store from the build. | |
315 | [Ben Laurie] | |
316 | ||
317 | *) Revamp of STACK to provide stronger type-checking. Still to come: | |
318 | TXT_DB, bsearch(?), OBJ_bsearch, qsort, CRYPTO_EX_DATA, ASN1_VALUE, | |
319 | ASN1_STRING, CONF_VALUE. | |
320 | [Ben Laurie] | |
321 | ||
322 | *) Add a new SSL_MODE_RELEASE_BUFFERS mode flag to release unused buffer | |
323 | RAM on SSL connections. This option can save about 34k per idle SSL. | |
324 | [Nick Mathewson] | |
325 | ||
326 | *) Revamp of LHASH to provide stronger type-checking. Still to come: | |
327 | STACK, TXT_DB, bsearch, qsort. | |
328 | [Ben Laurie] | |
329 | ||
330 | *) Initial support for Cryptographic Message Syntax (aka CMS) based | |
331 | on RFC3850, RFC3851 and RFC3852. New cms directory and cms utility, | |
332 | support for data, signedData, compressedData, digestedData and | |
333 | encryptedData, envelopedData types included. Scripts to check against | |
334 | RFC4134 examples draft and interop and consistency checks of many | |
335 | content types and variants. | |
336 | [Steve Henson] | |
337 | ||
338 | *) Add options to enc utility to support use of zlib compression BIO. | |
339 | [Steve Henson] | |
340 | ||
341 | *) Extend mk1mf to support importing of options and assembly language | |
342 | files from Configure script, currently only included in VC-WIN32. | |
343 | The assembly language rules can now optionally generate the source | |
344 | files from the associated perl scripts. | |
345 | [Steve Henson] | |
346 | ||
347 | *) Implement remaining functionality needed to support GOST ciphersuites. | |
348 | Interop testing has been performed using CryptoPro implementations. | |
349 | [Victor B. Wagner <vitus@cryptocom.ru>] | |
350 | ||
351 | *) s390x assembler pack. | |
352 | [Andy Polyakov] | |
353 | ||
354 | *) ARMv4 assembler pack. ARMv4 refers to v4 and later ISA, not CPU | |
355 | "family." | |
356 | [Andy Polyakov] | |
357 | ||
358 | *) Implement Opaque PRF Input TLS extension as specified in | |
359 | draft-rescorla-tls-opaque-prf-input-00.txt. Since this is not an | |
360 | official specification yet and no extension type assignment by | |
361 | IANA exists, this extension (for now) will have to be explicitly | |
362 | enabled when building OpenSSL by providing the extension number | |
363 | to use. For example, specify an option | |
364 | ||
365 | -DTLSEXT_TYPE_opaque_prf_input=0x9527 | |
366 | ||
367 | to the "config" or "Configure" script to enable the extension, | |
368 | assuming extension number 0x9527 (which is a completely arbitrary | |
369 | and unofficial assignment based on the MD5 hash of the Internet | |
370 | Draft). Note that by doing so, you potentially lose | |
371 | interoperability with other TLS implementations since these might | |
372 | be using the same extension number for other purposes. | |
373 | ||
374 | SSL_set_tlsext_opaque_prf_input(ssl, src, len) is used to set the | |
375 | opaque PRF input value to use in the handshake. This will create | |
376 | an interal copy of the length-'len' string at 'src', and will | |
377 | return non-zero for success. | |
378 | ||
379 | To get more control and flexibility, provide a callback function | |
380 | by using | |
381 | ||
382 | SSL_CTX_set_tlsext_opaque_prf_input_callback(ctx, cb) | |
383 | SSL_CTX_set_tlsext_opaque_prf_input_callback_arg(ctx, arg) | |
384 | ||
385 | where | |
386 | ||
387 | int (*cb)(SSL *, void *peerinput, size_t len, void *arg); | |
388 | void *arg; | |
389 | ||
390 | Callback function 'cb' will be called in handshakes, and is | |
391 | expected to use SSL_set_tlsext_opaque_prf_input() as appropriate. | |
392 | Argument 'arg' is for application purposes (the value as given to | |
393 | SSL_CTX_set_tlsext_opaque_prf_input_callback_arg() will directly | |
394 | be provided to the callback function). The callback function | |
395 | has to return non-zero to report success: usually 1 to use opaque | |
396 | PRF input just if possible, or 2 to enforce use of the opaque PRF | |
397 | input. In the latter case, the library will abort the handshake | |
398 | if opaque PRF input is not successfully negotiated. | |
399 | ||
400 | Arguments 'peerinput' and 'len' given to the callback function | |
401 | will always be NULL and 0 in the case of a client. A server will | |
402 | see the client's opaque PRF input through these variables if | |
403 | available (NULL and 0 otherwise). Note that if the server | |
404 | provides an opaque PRF input, the length must be the same as the | |
405 | length of the client's opaque PRF input. | |
406 | ||
407 | Note that the callback function will only be called when creating | |
408 | a new session (session resumption can resume whatever was | |
409 | previously negotiated), and will not be called in SSL 2.0 | |
410 | handshakes; thus, SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) or | |
411 | SSL_set_options(ssl, SSL_OP_NO_SSLv2) is especially recommended | |
412 | for applications that need to enforce opaque PRF input. | |
413 | ||
414 | [Bodo Moeller] | |
415 | ||
416 | *) Update ssl code to support digests other than SHA1+MD5 for handshake | |
417 | MAC. | |
418 | ||
419 | [Victor B. Wagner <vitus@cryptocom.ru>] | |
420 | ||
421 | *) Add RFC4507 support to OpenSSL. This includes the corrections in | |
422 | RFC4507bis. The encrypted ticket format is an encrypted encoded | |
423 | SSL_SESSION structure, that way new session features are automatically | |
424 | supported. | |
425 | ||
426 | If a client application caches session in an SSL_SESSION structure | |
427 | support is transparent because tickets are now stored in the encoded | |
428 | SSL_SESSION. | |
429 | ||
430 | The SSL_CTX structure automatically generates keys for ticket | |
431 | protection in servers so again support should be possible | |
432 | with no application modification. | |
433 | ||
434 | If a client or server wishes to disable RFC4507 support then the option | |
435 | SSL_OP_NO_TICKET can be set. | |
436 | ||
437 | Add a TLS extension debugging callback to allow the contents of any client | |
438 | or server extensions to be examined. | |
439 | ||
440 | This work was sponsored by Google. | |
441 | [Steve Henson] | |
442 | ||
443 | *) Final changes to avoid use of pointer pointer casts in OpenSSL. | |
444 | OpenSSL should now compile cleanly on gcc 4.2 | |
445 | [Peter Hartley <pdh@utter.chaos.org.uk>, Steve Henson] | |
446 | ||
447 | *) Update SSL library to use new EVP_PKEY MAC API. Include generic MAC | |
448 | support including streaming MAC support: this is required for GOST | |
449 | ciphersuite support. | |
450 | [Victor B. Wagner <vitus@cryptocom.ru>, Steve Henson] | |
451 | ||
452 | *) Add option -stream to use PKCS#7 streaming in smime utility. New | |
453 | function i2d_PKCS7_bio_stream() and PEM_write_PKCS7_bio_stream() | |
454 | to output in BER and PEM format. | |
455 | [Steve Henson] | |
456 | ||
457 | *) Experimental support for use of HMAC via EVP_PKEY interface. This | |
458 | allows HMAC to be handled via the EVP_DigestSign*() interface. The | |
459 | EVP_PKEY "key" in this case is the HMAC key, potentially allowing | |
460 | ENGINE support for HMAC keys which are unextractable. New -mac and | |
461 | -macopt options to dgst utility. | |
462 | [Steve Henson] | |
463 | ||
464 | *) New option -sigopt to dgst utility. Update dgst to use | |
465 | EVP_Digest{Sign,Verify}*. These two changes make it possible to use | |
466 | alternative signing paramaters such as X9.31 or PSS in the dgst | |
467 | utility. | |
468 | [Steve Henson] | |
469 | ||
470 | *) Change ssl_cipher_apply_rule(), the internal function that does | |
471 | the work each time a ciphersuite string requests enabling | |
472 | ("foo+bar"), moving ("+foo+bar"), disabling ("-foo+bar", or | |
473 | removing ("!foo+bar") a class of ciphersuites: Now it maintains | |
474 | the order of disabled ciphersuites such that those ciphersuites | |
475 | that most recently went from enabled to disabled not only stay | |
476 | in order with respect to each other, but also have higher priority | |
477 | than other disabled ciphersuites the next time ciphersuites are | |
478 | enabled again. | |
479 | ||
480 | This means that you can now say, e.g., "PSK:-PSK:HIGH" to enable | |
481 | the same ciphersuites as with "HIGH" alone, but in a specific | |
482 | order where the PSK ciphersuites come first (since they are the | |
483 | most recently disabled ciphersuites when "HIGH" is parsed). | |
484 | ||
485 | Also, change ssl_create_cipher_list() (using this new | |
486 | funcionality) such that between otherwise identical | |
487 | cihpersuites, ephemeral ECDH is preferred over ephemeral DH in | |
488 | the default order. | |
489 | [Bodo Moeller] | |
490 | ||
491 | *) Change ssl_create_cipher_list() so that it automatically | |
492 | arranges the ciphersuites in reasonable order before starting | |
493 | to process the rule string. Thus, the definition for "DEFAULT" | |
494 | (SSL_DEFAULT_CIPHER_LIST) now is just "ALL:!aNULL:!eNULL", but | |
495 | remains equivalent to "AES:ALL:!aNULL:!eNULL:+aECDH:+kRSA:+RC4:@STRENGTH". | |
496 | This makes it much easier to arrive at a reasonable default order | |
497 | in applications for which anonymous ciphers are OK (meaning | |
498 | that you can't actually use DEFAULT). | |
499 | [Bodo Moeller; suggested by Victor Duchovni] | |
500 | ||
501 | *) Split the SSL/TLS algorithm mask (as used for ciphersuite string | |
502 | processing) into multiple integers instead of setting | |
503 | "SSL_MKEY_MASK" bits, "SSL_AUTH_MASK" bits, "SSL_ENC_MASK", | |
504 | "SSL_MAC_MASK", and "SSL_SSL_MASK" bits all in a single integer. | |
505 | (These masks as well as the individual bit definitions are hidden | |
506 | away into the non-exported interface ssl/ssl_locl.h, so this | |
507 | change to the definition of the SSL_CIPHER structure shouldn't | |
508 | affect applications.) This give us more bits for each of these | |
509 | categories, so there is no longer a need to coagulate AES128 and | |
510 | AES256 into a single algorithm bit, and to coagulate Camellia128 | |
511 | and Camellia256 into a single algorithm bit, which has led to all | |
512 | kinds of kludges. | |
513 | ||
514 | Thus, among other things, the kludge introduced in 0.9.7m and | |
515 | 0.9.8e for masking out AES256 independently of AES128 or masking | |
516 | out Camellia256 independently of AES256 is not needed here in 0.9.9. | |
517 | ||
518 | With the change, we also introduce new ciphersuite aliases that | |
519 | so far were missing: "AES128", "AES256", "CAMELLIA128", and | |
520 | "CAMELLIA256". | |
521 | [Bodo Moeller] | |
522 | ||
523 | *) Add support for dsa-with-SHA224 and dsa-with-SHA256. | |
524 | Use the leftmost N bytes of the signature input if the input is | |
525 | larger than the prime q (with N being the size in bytes of q). | |
526 | [Nils Larsch] | |
527 | ||
528 | *) Very *very* experimental PKCS#7 streaming encoder support. Nothing uses | |
529 | it yet and it is largely untested. | |
530 | [Steve Henson] | |
531 | ||
532 | *) Add support for the ecdsa-with-SHA224/256/384/512 signature types. | |
533 | [Nils Larsch] | |
534 | ||
535 | *) Initial incomplete changes to avoid need for function casts in OpenSSL | |
536 | some compilers (gcc 4.2 and later) reject their use. Safestack is | |
537 | reimplemented. Update ASN1 to avoid use of legacy functions. | |
538 | [Steve Henson] | |
539 | ||
540 | *) Win32/64 targets are linked with Winsock2. | |
541 | [Andy Polyakov] | |
542 | ||
543 | *) Add an X509_CRL_METHOD structure to allow CRL processing to be redirected | |
544 | to external functions. This can be used to increase CRL handling | |
545 | efficiency especially when CRLs are very large by (for example) storing | |
546 | the CRL revoked certificates in a database. | |
547 | [Steve Henson] | |
548 | ||
549 | *) Overhaul of by_dir code. Add support for dynamic loading of CRLs so | |
550 | new CRLs added to a directory can be used. New command line option | |
551 | -verify_return_error to s_client and s_server. This causes real errors | |
552 | to be returned by the verify callback instead of carrying on no matter | |
553 | what. This reflects the way a "real world" verify callback would behave. | |
554 | [Steve Henson] | |
555 | ||
556 | *) GOST engine, supporting several GOST algorithms and public key formats. | |
557 | Kindly donated by Cryptocom. | |
558 | [Cryptocom] | |
559 | ||
560 | *) Partial support for Issuing Distribution Point CRL extension. CRLs | |
561 | partitioned by DP are handled but no indirect CRL or reason partitioning | |
562 | (yet). Complete overhaul of CRL handling: now the most suitable CRL is | |
563 | selected via a scoring technique which handles IDP and AKID in CRLs. | |
564 | [Steve Henson] | |
565 | ||
566 | *) New X509_STORE_CTX callbacks lookup_crls() and lookup_certs() which | |
567 | will ultimately be used for all verify operations: this will remove the | |
568 | X509_STORE dependency on certificate verification and allow alternative | |
569 | lookup methods. X509_STORE based implementations of these two callbacks. | |
570 | [Steve Henson] | |
571 | ||
572 | *) Allow multiple CRLs to exist in an X509_STORE with matching issuer names. | |
573 | Modify get_crl() to find a valid (unexpired) CRL if possible. | |
574 | [Steve Henson] | |
575 | ||
576 | *) New function X509_CRL_match() to check if two CRLs are identical. Normally | |
577 | this would be called X509_CRL_cmp() but that name is already used by | |
578 | a function that just compares CRL issuer names. Cache several CRL | |
579 | extensions in X509_CRL structure and cache CRLDP in X509. | |
580 | [Steve Henson] | |
581 | ||
582 | *) Store a "canonical" representation of X509_NAME structure (ASN1 Name) | |
583 | this maps equivalent X509_NAME structures into a consistent structure. | |
584 | Name comparison can then be performed rapidly using memcmp(). | |
585 | [Steve Henson] | |
586 | ||
587 | *) Non-blocking OCSP request processing. Add -timeout option to ocsp | |
588 | utility. | |
589 | [Steve Henson] | |
590 | ||
591 | *) Allow digests to supply their own micalg string for S/MIME type using | |
592 | the ctrl EVP_MD_CTRL_MICALG. | |
593 | [Steve Henson] | |
594 | ||
595 | *) During PKCS7 signing pass the PKCS7 SignerInfo structure to the | |
596 | EVP_PKEY_METHOD before and after signing via the EVP_PKEY_CTRL_PKCS7_SIGN | |
597 | ctrl. It can then customise the structure before and/or after signing | |
598 | if necessary. | |
599 | [Steve Henson] | |
600 | ||
601 | *) New function OBJ_add_sigid() to allow application defined signature OIDs | |
602 | to be added to OpenSSLs internal tables. New function OBJ_sigid_free() | |
603 | to free up any added signature OIDs. | |
604 | [Steve Henson] | |
605 | ||
606 | *) New functions EVP_CIPHER_do_all(), EVP_CIPHER_do_all_sorted(), | |
607 | EVP_MD_do_all() and EVP_MD_do_all_sorted() to enumerate internal | |
608 | digest and cipher tables. New options added to openssl utility: | |
609 | list-message-digest-algorithms and list-cipher-algorithms. | |
610 | [Steve Henson] | |
611 | ||
612 | *) Change the array representation of binary polynomials: the list | |
613 | of degrees of non-zero coefficients is now terminated with -1. | |
614 | Previously it was terminated with 0, which was also part of the | |
615 | value; thus, the array representation was not applicable to | |
616 | polynomials where t^0 has coefficient zero. This change makes | |
617 | the array representation useful in a more general context. | |
618 | [Douglas Stebila] | |
619 | ||
620 | *) Various modifications and fixes to SSL/TLS cipher string | |
621 | handling. For ECC, the code now distinguishes between fixed ECDH | |
622 | with RSA certificates on the one hand and with ECDSA certificates | |
623 | on the other hand, since these are separate ciphersuites. The | |
624 | unused code for Fortezza ciphersuites has been removed. | |
625 | ||
626 | For consistency with EDH, ephemeral ECDH is now called "EECDH" | |
627 | (not "ECDHE"). For consistency with the code for DH | |
628 | certificates, use of ECDH certificates is now considered ECDH | |
629 | authentication, not RSA or ECDSA authentication (the latter is | |
630 | merely the CA's signing algorithm and not actively used in the | |
631 | protocol). | |
632 | ||
633 | The temporary ciphersuite alias "ECCdraft" is no longer | |
634 | available, and ECC ciphersuites are no longer excluded from "ALL" | |
635 | and "DEFAULT". The following aliases now exist for RFC 4492 | |
636 | ciphersuites, most of these by analogy with the DH case: | |
637 | ||
638 | kECDHr - ECDH cert, signed with RSA | |
639 | kECDHe - ECDH cert, signed with ECDSA | |
640 | kECDH - ECDH cert (signed with either RSA or ECDSA) | |
641 | kEECDH - ephemeral ECDH | |
642 | ECDH - ECDH cert or ephemeral ECDH | |
643 | ||
644 | aECDH - ECDH cert | |
645 | aECDSA - ECDSA cert | |
646 | ECDSA - ECDSA cert | |
647 | ||
648 | AECDH - anonymous ECDH | |
649 | EECDH - non-anonymous ephemeral ECDH (equivalent to "kEECDH:-AECDH") | |
650 | ||
651 | [Bodo Moeller] | |
652 | ||
653 | *) Add additional S/MIME capabilities for AES and GOST ciphers if supported. | |
654 | Use correct micalg parameters depending on digest(s) in signed message. | |
655 | [Steve Henson] | |
656 | ||
657 | *) Add engine support for EVP_PKEY_ASN1_METHOD. Add functions to process | |
658 | an ENGINE asn1 method. Support ENGINE lookups in the ASN1 code. | |
659 | [Steve Henson] | |
660 | ||
661 | *) Initial engine support for EVP_PKEY_METHOD. New functions to permit | |
662 | an engine to register a method. Add ENGINE lookups for methods and | |
663 | functional reference processing. | |
664 | [Steve Henson] | |
665 | ||
666 | *) New functions EVP_Digest{Sign,Verify)*. These are enchance versions of | |
667 | EVP_{Sign,Verify}* which allow an application to customise the signature | |
668 | process. | |
669 | [Steve Henson] | |
670 | ||
671 | *) New -resign option to smime utility. This adds one or more signers | |
672 | to an existing PKCS#7 signedData structure. Also -md option to use an | |
673 | alternative message digest algorithm for signing. | |
674 | [Steve Henson] | |
675 | ||
676 | *) Tidy up PKCS#7 routines and add new functions to make it easier to | |
677 | create PKCS7 structures containing multiple signers. Update smime | |
678 | application to support multiple signers. | |
679 | [Steve Henson] | |
680 | ||
681 | *) New -macalg option to pkcs12 utility to allow setting of an alternative | |
682 | digest MAC. | |
683 | [Steve Henson] | |
684 | ||
685 | *) Initial support for PKCS#5 v2.0 PRFs other than default SHA1 HMAC. | |
686 | Reorganize PBE internals to lookup from a static table using NIDs, | |
687 | add support for HMAC PBE OID translation. Add a EVP_CIPHER ctrl: | |
688 | EVP_CTRL_PBE_PRF_NID this allows a cipher to specify an alternative | |
689 | PRF which will be automatically used with PBES2. | |
690 | [Steve Henson] | |
691 | ||
692 | *) Replace the algorithm specific calls to generate keys in "req" with the | |
693 | new API. | |
694 | [Steve Henson] | |
695 | ||
696 | *) Update PKCS#7 enveloped data routines to use new API. This is now | |
697 | supported by any public key method supporting the encrypt operation. A | |
698 | ctrl is added to allow the public key algorithm to examine or modify | |
699 | the PKCS#7 RecipientInfo structure if it needs to: for RSA this is | |
700 | a no op. | |
701 | [Steve Henson] | |
702 | ||
703 | *) Add a ctrl to asn1 method to allow a public key algorithm to express | |
704 | a default digest type to use. In most cases this will be SHA1 but some | |
705 | algorithms (such as GOST) need to specify an alternative digest. The | |
706 | return value indicates how strong the prefernce is 1 means optional and | |
707 | 2 is mandatory (that is it is the only supported type). Modify | |
708 | ASN1_item_sign() to accept a NULL digest argument to indicate it should | |
709 | use the default md. Update openssl utilities to use the default digest | |
710 | type for signing if it is not explicitly indicated. | |
711 | [Steve Henson] | |
712 | ||
713 | *) Use OID cross reference table in ASN1_sign() and ASN1_verify(). New | |
714 | EVP_MD flag EVP_MD_FLAG_PKEY_METHOD_SIGNATURE. This uses the relevant | |
715 | signing method from the key type. This effectively removes the link | |
716 | between digests and public key types. | |
717 | [Steve Henson] | |
718 | ||
719 | *) Add an OID cross reference table and utility functions. Its purpose is to | |
720 | translate between signature OIDs such as SHA1WithrsaEncryption and SHA1, | |
721 | rsaEncryption. This will allow some of the algorithm specific hackery | |
722 | needed to use the correct OID to be removed. | |
723 | [Steve Henson] | |
724 | ||
725 | *) Remove algorithm specific dependencies when setting PKCS7_SIGNER_INFO | |
726 | structures for PKCS7_sign(). They are now set up by the relevant public | |
727 | key ASN1 method. | |
728 | [Steve Henson] | |
729 | ||
730 | *) Add provisional EC pkey method with support for ECDSA and ECDH. | |
731 | [Steve Henson] | |
732 | ||
733 | *) Add support for key derivation (agreement) in the API, DH method and | |
734 | pkeyutl. | |
735 | [Steve Henson] | |
736 | ||
737 | *) Add DSA pkey method and DH pkey methods, extend DH ASN1 method to support | |
738 | public and private key formats. As a side effect these add additional | |
739 | command line functionality not previously available: DSA signatures can be | |
740 | generated and verified using pkeyutl and DH key support and generation in | |
741 | pkey, genpkey. | |
742 | [Steve Henson] | |
743 | ||
744 | *) BeOS support. | |
745 | [Oliver Tappe <zooey@hirschkaefer.de>] | |
746 | ||
747 | *) New make target "install_html_docs" installs HTML renditions of the | |
748 | manual pages. | |
749 | [Oliver Tappe <zooey@hirschkaefer.de>] | |
750 | ||
751 | *) New utility "genpkey" this is analagous to "genrsa" etc except it can | |
752 | generate keys for any algorithm. Extend and update EVP_PKEY_METHOD to | |
753 | support key and parameter generation and add initial key generation | |
754 | functionality for RSA. | |
755 | [Steve Henson] | |
756 | ||
757 | *) Add functions for main EVP_PKEY_method operations. The undocumented | |
758 | functions EVP_PKEY_{encrypt,decrypt} have been renamed to | |
759 | EVP_PKEY_{encrypt,decrypt}_old. | |
760 | [Steve Henson] | |
761 | ||
762 | *) Initial definitions for EVP_PKEY_METHOD. This will be a high level public | |
763 | key API, doesn't do much yet. | |
764 | [Steve Henson] | |
765 | ||
766 | *) New function EVP_PKEY_asn1_get0_info() to retrieve information about | |
767 | public key algorithms. New option to openssl utility: | |
768 | "list-public-key-algorithms" to print out info. | |
769 | [Steve Henson] | |
770 | ||
771 | *) Implement the Supported Elliptic Curves Extension for | |
772 | ECC ciphersuites from draft-ietf-tls-ecc-12.txt. | |
773 | [Douglas Stebila] | |
774 | ||
775 | *) Don't free up OIDs in OBJ_cleanup() if they are in use by EVP_MD or | |
776 | EVP_CIPHER structures to avoid later problems in EVP_cleanup(). | |
777 | [Steve Henson] | |
778 | ||
779 | *) New utilities pkey and pkeyparam. These are similar to algorithm specific | |
780 | utilities such as rsa, dsa, dsaparam etc except they process any key | |
781 | type. | |
782 | [Steve Henson] | |
783 | ||
784 | *) Transfer public key printing routines to EVP_PKEY_ASN1_METHOD. New | |
785 | functions EVP_PKEY_print_public(), EVP_PKEY_print_private(), | |
786 | EVP_PKEY_print_param() to print public key data from an EVP_PKEY | |
787 | structure. | |
788 | [Steve Henson] | |
789 | ||
790 | *) Initial support for pluggable public key ASN1. | |
791 | De-spaghettify the public key ASN1 handling. Move public and private | |
792 | key ASN1 handling to a new EVP_PKEY_ASN1_METHOD structure. Relocate | |
793 | algorithm specific handling to a single module within the relevant | |
794 | algorithm directory. Add functions to allow (near) opaque processing | |
795 | of public and private key structures. | |
796 | [Steve Henson] | |
797 | ||
798 | *) Implement the Supported Point Formats Extension for | |
799 | ECC ciphersuites from draft-ietf-tls-ecc-12.txt. | |
800 | [Douglas Stebila] | |
801 | ||
802 | *) Add initial support for RFC 4279 PSK TLS ciphersuites. Add members | |
803 | for the psk identity [hint] and the psk callback functions to the | |
804 | SSL_SESSION, SSL and SSL_CTX structure. | |
805 | ||
806 | New ciphersuites: | |
807 | PSK-RC4-SHA, PSK-3DES-EDE-CBC-SHA, PSK-AES128-CBC-SHA, | |
808 | PSK-AES256-CBC-SHA | |
809 | ||
810 | New functions: | |
811 | SSL_CTX_use_psk_identity_hint | |
812 | SSL_get_psk_identity_hint | |
813 | SSL_get_psk_identity | |
814 | SSL_use_psk_identity_hint | |
815 | ||
816 | [Mika Kousa and Pasi Eronen of Nokia Corporation] | |
817 | ||
818 | *) Add RFC 3161 compliant time stamp request creation, response generation | |
819 | and response verification functionality. | |
820 |