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Commit | Line | Data |
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651d0aff | 1 | |
f1c236f8 | 2 | OpenSSL CHANGES |
651d0aff RE |
3 | _______________ |
4 | ||
d91e201e RE |
5 | Changes between 0.9.4 and 0.9.5 [xx XXX 1999] |
6 | ||
954ef7ef DSH |
7 | *) Add options -text and -noout to pkcs7 utility and delets the |
8 | encryption options which never did anything. Update docs. | |
9 | [Steve Henson] | |
10 | ||
af29811e DSH |
11 | *) Add options to some of the utilities to allow the pass phrase |
12 | to be included on either the command line (not recommended on | |
13 | OSes like Unix) or read from the environment. Update the | |
14 | manpages and fix a few bugs. | |
15 | [Steve Henson] | |
16 | ||
aba3e65f DSH |
17 | *) Add a few manpages for some of the openssl commands. |
18 | [Steve Henson] | |
19 | ||
a0ad17bb DSH |
20 | *) Fix the -revoke option in ca. It was freeing up memory twice, |
21 | leaking and not finding already revoked certificates. | |
22 | [Steve Henson] | |
23 | ||
ce1b4fe1 DSH |
24 | *) Extensive changes to support certificate auxiliary information. |
25 | This involves the use of X509_CERT_AUX structure and X509_AUX | |
26 | functions. An X509_AUX function such as PEM_read_X509_AUX() | |
27 | can still read in a certificate file in the usual way but it | |
28 | will also read in any additional "auxiliary information". By | |
29 | doing things this way a fair degree of compatability can be | |
30 | retained: existing certificates can have this information added | |
31 | using the new 'x509' options. | |
32 | ||
33 | Current auxiliary information includes an "alias" and some trust | |
34 | settings. The trust settings will ultimately be used in enhanced | |
35 | certificate chain verification routines: currently a certificate | |
36 | can only be trusted if it is self signed and then it is trusted | |
37 | for all purposes. | |
38 | [Steve Henson] | |
39 | ||
ce2c95b2 MC |
40 | *) Fix assembler for Alpha (tested only on DEC OSF not Linux or *BSD). The |
41 | problem was that one of the replacement routines had not been working since | |
42 | SSLeay releases. For now the offending routine has been replaced with | |
43 | non-optimised assembler. Even so, this now gives around 95% performance | |
44 | improvement for 1024 bit RSA signs. | |
45 | [Mark Cox] | |
46 | ||
9716a8f9 DSH |
47 | *) Hack to fix PKCS#7 decryption when used with some unorthodox RC2 |
48 | handling. Most clients have the effective key size in bits equal to | |
49 | the key length in bits: so a 40 bit RC2 key uses a 40 bit (5 byte) key. | |
50 | A few however don't do this and instead use the size of the decrypted key | |
51 | to determine the RC2 key length and the AlgorithmIdentifier to determine | |
52 | the effective key length. In this case the effective key lenth can still | |
53 | be 40 bits but the key length can be 168 bits for example. This is fixed | |
54 | by manually forcing an RC2 key into the EVP_PKEY structure because the | |
55 | EVP code can't currently handle unusual RC2 key sizes: it always assumes | |
56 | the key length and effective key length are equal. | |
57 | [Steve Henson] | |
58 | ||
74400f73 DSH |
59 | *) Add a bunch of functions that should simplify the creation of |
60 | X509_NAME structures. Now you should be able to do: | |
61 | X509_NAME_add_entry_by_txt(nm, "CN", MBSTRING_ASC, "Steve", -1, -1, 0); | |
62 | and have it automatically work out the correct field type and fill in | |
63 | the structures. The more adventurous can try: | |
64 | X509_NAME_add_entry_by_txt(nm, field, MBSTRING_UTF8, str, -1, -1, 0); | |
65 | and it will (hopefully) work out the correct multibyte encoding. | |
66 | [Steve Henson] | |
67 | ||
68 | *) Change the 'req' utility to use the new field handling and multibyte | |
69 | copy routines. Before the DN field creation was handled in an ad hoc | |
70 | way in req, ca, and x509 which was rather broken and didn't support | |
71 | BMPStrings or UTF8Strings. Since some software doesn't implement | |
72 | BMPStrings or UTF8Strings yet, they can be enabled using the config file | |
73 | using the dirstring_type option. See the new comment in the default | |
74 | openssl.cnf for more info. | |
75 | [Steve Henson] | |
76 | ||
c1e744b9 | 77 | *) Make crypto/rand/md_rand.c more robust: |
62ac2938 | 78 | - Assure unique random numbers after fork(). |
c1e744b9 BM |
79 | - Make sure that concurrent threads access the global counter and |
80 | md serializably so that we never lose entropy in them | |
81 | or use exactly the same state in multiple threads. | |
82 | Access to the large state is not always serializable because | |
83 | the additional locking could be a performance killer, and | |
84 | md should be large enough anyway. | |
85 | [Bodo Moeller] | |
86 | ||
a31011e8 BM |
87 | *) New file apps/app_rand.c with commonly needed functionality |
88 | for handling the random seed file. | |
89 | ||
90 | Use the random seed file in some applications that previously did not: | |
91 | ca, | |
92 | dsaparam -genkey (which also ignored its `-rand' option), | |
93 | s_client, | |
94 | s_server, | |
95 | x509 (when signing). | |
96 | Except on systems with /dev/urandom, it is crucial to have a random | |
97 | seed file at least for key creation, DSA signing, and for DH exchanges; | |
99e87569 | 98 | for RSA signatures we could do without one. |
a31011e8 BM |
99 | |
100 | gendh and gendsa (unlike genrsa) used to read only the first byte | |
101 | of each file listed in the `-rand' option. The function as previously | |
102 | found in genrsa is now in app_rand.c and is used by all programs | |
103 | that support `-rand'. | |
104 | [Bodo Moeller] | |
105 | ||
106 | *) In RAND_write_file, use mode 0600 for creating files; | |
107 | don't just chmod when it may be too late. | |
108 | [Bodo Moeller] | |
109 | ||
110 | *) Report an error from X509_STORE_load_locations | |
111 | when X509_LOOKUP_load_file or X509_LOOKUP_add_dir failed. | |
112 | [Bill Perry] | |
113 | ||
462f79ec DSH |
114 | *) New function ASN1_mbstring_copy() this copies a string in either |
115 | ASCII, Unicode, Universal (4 bytes per character) or UTF8 format | |
116 | into an ASN1_STRING type. A mask of permissible types is passed | |
117 | and it chooses the "minimal" type to use or an error if not type | |
118 | is suitable. | |
119 | [Steve Henson] | |
120 | ||
08e9c1af DSH |
121 | *) Add function equivalents to the various macros in asn1.h. The old |
122 | macros are retained with an M_ prefix. Code inside the library can | |
123 | use the M_ macros. External code (including the openssl utility) | |
124 | should *NOT* in order to be "shared library friendly". | |
125 | [Steve Henson] | |
126 | ||
673b102c DSH |
127 | *) Add various functions that can check a certificate's extensions |
128 | to see if it usable for various purposes such as SSL client, | |
129 | server or S/MIME and CAs of these types. This is currently | |
130 | VERY EXPERIMENTAL but will ultimately be used for certificate chain | |
131 | verification. Also added a -purpose flag to x509 utility to | |
132 | print out all the purposes. | |
133 | [Steve Henson] | |
134 | ||
56a3fec1 DSH |
135 | *) Add a CRYPTO_EX_DATA to X509 certificate structure and associated |
136 | functions. | |
137 | [Steve Henson] | |
138 | ||
4654ef98 DSH |
139 | *) New X509V3_{X509,CRL,REVOKED}_get_d2i() functions. These will search |
140 | for, obtain and decode and extension and obtain its critical flag. | |
141 | This allows all the necessary extension code to be handled in a | |
142 | single function call. | |
143 | [Steve Henson] | |
144 | ||
7e102e28 AP |
145 | *) RC4 tune-up featuring 30-40% performance improvement on most RISC |
146 | platforms. See crypto/rc4/rc4_enc.c for further details. | |
147 | [Andy Polyakov] | |
148 | ||
d71c6bc5 DSH |
149 | *) New -noout option to asn1parse. This causes no output to be produced |
150 | its main use is when combined with -strparse and -out to extract data | |
151 | from a file (which may not be in ASN.1 format). | |
152 | [Steve Henson] | |
153 | ||
2d681b77 DSH |
154 | *) Fix for pkcs12 program. It was hashing an invalid certificate pointer |
155 | when producing the local key id. | |
156 | [Richard Levitte <levitte@stacken.kth.se>] | |
157 | ||
3908cdf4 DSH |
158 | *) New option -dhparam in s_server. This allows a DH parameter file to be |
159 | stated explicitly. If it is not stated then it tries the first server | |
160 | certificate file. The previous behaviour hard coded the filename | |
161 | "server.pem". | |
162 | [Steve Henson] | |
163 | ||
3ea23631 DSH |
164 | *) Add -pubin and -pubout options to the rsa and dsa commands. These allow |
165 | a public key to be input or output. For example: | |
166 | openssl rsa -in key.pem -pubout -out pubkey.pem | |
167 | Also added necessary DSA public key functions to handle this. | |
168 | [Steve Henson] | |
169 | ||
393f2c65 DSH |
170 | *) Fix so PKCS7_dataVerify() doesn't crash if no certificates are contained |
171 | in the message. This was handled by allowing | |
172 | X509_find_by_issuer_and_serial() to tolerate a NULL passed to it. | |
173 | [Steve Henson, reported by Sampo Kellomaki <sampo@mail.neuronio.pt>] | |
174 | ||
175 | *) Fix for bug in d2i_ASN1_bytes(): other ASN1 functions add an extra null | |
176 | to the end of the strings whereas this didn't. This would cause problems | |
177 | if strings read with d2i_ASN1_bytes() were later modified. | |
178 | [Steve Henson, reported by Arne Ansper <arne@ats.cyber.ee>] | |
179 | ||
4579dd5d DSH |
180 | *) Fix for base64 decode bug. When a base64 bio reads only one line of |
181 | data and it contains EOF it will end up returning an error. This is | |
182 | caused by input 46 bytes long. The cause is due to the way base64 | |
183 | BIOs find the start of base64 encoded data. They do this by trying a | |
184 | trial decode on each line until they find one that works. When they | |
185 | do a flag is set and it starts again knowing it can pass all the | |
186 | data directly through the decoder. Unfortunately it doesn't reset | |
187 | the context it uses. This means that if EOF is reached an attempt | |
188 | is made to pass two EOFs through the context and this causes the | |
189 | resulting error. This can also cause other problems as well. As is | |
190 | usual with these problems it takes *ages* to find and the fix is | |
191 | trivial: move one line. | |
192 | [Steve Henson, reported by ian@uns.ns.ac.yu (Ivan Nejgebauer) ] | |
193 | ||
06f4536a DSH |
194 | *) Ugly workaround to get s_client and s_server working under Windows. The |
195 | old code wouldn't work because it needed to select() on sockets and the | |
196 | tty (for keypresses and to see if data could be written). Win32 only | |
197 | supports select() on sockets so we select() with a 1s timeout on the | |
198 | sockets and then see if any characters are waiting to be read, if none | |
199 | are present then we retry, we also assume we can always write data to | |
200 | the tty. This isn't nice because the code then blocks until we've | |
201 | received a complete line of data and it is effectively polling the | |
202 | keyboard at 1s intervals: however it's quite a bit better than not | |
203 | working at all :-) A dedicated Windows application might handle this | |
204 | with an event loop for example. | |
205 | [Steve Henson] | |
206 | ||
1c80019a DSH |
207 | *) Enhance RSA_METHOD structure. Now there are two extra methods, rsa_sign |
208 | and rsa_verify. When the RSA_FLAGS_SIGN_VER option is set these functions | |
209 | will be called when RSA_sign() and RSA_verify() are used. This is useful | |
210 | if rsa_pub_dec() and rsa_priv_enc() equivalents are not available. | |
211 | For this to work properly RSA_public_decrypt() and RSA_private_encrypt() | |
212 | should *not* be used: RSA_sign() and RSA_verify() must be used instead. | |
213 | This necessitated the support of an extra signature type NID_md5_sha1 | |
214 | for SSL signatures and modifications to the SSL library to use it instead | |
215 | of calling RSA_public_decrypt() and RSA_private_encrypt(). | |
216 | [Steve Henson] | |
217 | ||
090d848e DSH |
218 | *) Add new -verify -CAfile and -CApath options to the crl program, these |
219 | will lookup a CRL issuers certificate and verify the signature in a | |
220 | similar way to the verify program. Tidy up the crl program so it | |
221 | no longer acesses structures directly. Make the ASN1 CRL parsing a bit | |
222 | less strict. It will now permit CRL extensions even if it is not | |
223 | a V2 CRL: this will allow it to tolerate some broken CRLs. | |
224 | [Steve Henson] | |
225 | ||
396f6314 BM |
226 | *) Initialize all non-automatic variables each time one of the openssl |
227 | sub-programs is started (this is necessary as they may be started | |
228 | multiple times from the "OpenSSL>" prompt). | |
229 | [Lennart Bang, Bodo Moeller] | |
230 | ||
4a61a64f DSH |
231 | *) Preliminary compilation option RSA_NULL which disables RSA crypto without |
232 | removing all other RSA functionality (this is what NO_RSA does). This | |
233 | is so (for example) those in the US can disable those operations covered | |
234 | by the RSA patent while allowing storage and parsing of RSA keys and RSA | |
235 | key generation. | |
236 | [Steve Henson] | |
237 | ||
c1082a90 | 238 | *) Non-copying interface to BIO pairs. |
6f7af152 | 239 | (still largely untested) |
c1082a90 BM |
240 | [Bodo Moeller] |
241 | ||
a785abc3 DSH |
242 | *) New function ANS1_tag2str() to convert an ASN1 tag to a descriptive |
243 | ASCII string. This was handled independently in various places before. | |
244 | [Steve Henson] | |
245 | ||
aef838fc DSH |
246 | *) New functions UTF8_getc() and UTF8_putc() that parse and generate |
247 | UTF8 strings a character at a time. | |
248 | [Steve Henson] | |
249 | ||
074309b7 BM |
250 | *) Use client_version from client hello to select the protocol |
251 | (s23_srvr.c) and for RSA client key exchange verification | |
252 | (s3_srvr.c), as required by the SSL 3.0/TLS 1.0 specifications. | |
253 | [Bodo Moeller] | |
254 | ||
8ce97163 DSH |
255 | *) Add various utility functions to handle SPKACs, these were previously |
256 | handled by poking round in the structure internals. Added new function | |
257 | NETSCAPE_SPKI_print() to print out SPKAC and a new utility 'spkac' to | |
258 | print, verify and generate SPKACs. Based on an original idea from | |
259 | Massimiliano Pala <madwolf@comune.modena.it> but extensively modified. | |
260 | [Steve Henson] | |
261 | ||
2d4287da AP |
262 | *) RIPEMD160 is operational on all platforms and is back in 'make test'. |
263 | [Andy Polyakov] | |
264 | ||
87a25f90 DSH |
265 | *) Allow the config file extension section to be overwritten on the |
266 | command line. Based on an original idea from Massimiliano Pala | |
267 | <madwolf@comune.modena.it>. The new option is called -extensions | |
268 | and can be applied to ca, req and x509. Also -reqexts to override | |
269 | the request extensions in req and -crlexts to override the crl extensions | |
270 | in ca. | |
271 | [Steve Henson] | |
272 | ||
f9150e54 DSH |
273 | *) Add new feature to the SPKAC handling in ca. Now you can include |
274 | the same field multiple times by preceding it by "XXXX." for example: | |
275 | 1.OU="Unit name 1" | |
276 | 2.OU="Unit name 2" | |
277 | this is the same syntax as used in the req config file. | |
278 | [Steve Henson] | |
279 | ||
c79b16e1 DSH |
280 | *) Allow certificate extensions to be added to certificate requests. These |
281 | are specified in a 'req_extensions' option of the req section of the | |
282 | config file. They can be printed out with the -text option to req but | |
283 | are otherwise ignored at present. | |
284 | [Steve Henson] | |
285 | ||
96c2201b | 286 | *) Fix a horrible bug in enc_read() in crypto/evp/bio_enc.c: if the first |
0f7e6fe1 | 287 | data read consists of only the final block it would not decrypted because |
7b65c329 DSH |
288 | EVP_CipherUpdate() would correctly report zero bytes had been decrypted. |
289 | A misplaced 'break' also meant the decrypted final block might not be | |
290 | copied until the next read. | |
291 | [Steve Henson] | |
292 | ||
13066cee DSH |
293 | *) Initial support for DH_METHOD. Again based on RSA_METHOD. Also added |
294 | a few extra parameters to the DH structure: these will be useful if | |
295 | for example we want the value of 'q' or implement X9.42 DH. | |
296 | [Steve Henson] | |
297 | ||
c0711f7f DSH |
298 | *) Initial support for DSA_METHOD. This is based on the RSA_METHOD and |
299 | provides hooks that allow the default DSA functions or functions on a | |
300 | "per key" basis to be replaced. This allows hardware acceleration and | |
301 | hardware key storage to be handled without major modification to the | |
302 | library. Also added low level modexp hooks and CRYPTO_EX structure and | |
303 | associated functions. | |
304 | [Steve Henson] | |
305 | ||
8484721a DSH |
306 | *) Add a new flag to memory BIOs, BIO_FLAG_MEM_RDONLY. This marks the BIO |
307 | as "read only": it can't be written to and the buffer it points to will | |
308 | not be freed. Reading from a read only BIO is much more efficient than | |
309 | a normal memory BIO. This was added because there are several times when | |
310 | an area of memory needs to be read from a BIO. The previous method was | |
311 | to create a memory BIO and write the data to it, this results in two | |
312 | copies of the data and an O(n^2) reading algorithm. There is a new | |
313 | function BIO_new_mem_buf() which creates a read only memory BIO from | |
314 | an area of memory. Also modified the PKCS#7 routines to use read only | |
315 | memory BIOSs. | |
316 | [Steve Henson] | |
317 | ||
de1915e4 BM |
318 | *) Bugfix: ssl23_get_client_hello did not work properly when called in |
319 | state SSL23_ST_SR_CLNT_HELLO_B, i.e. when the first 7 bytes of | |
320 | a SSLv2-compatible client hello for SSLv3 or TLSv1 could be read, | |
321 | but a retry condition occured while trying to read the rest. | |
322 | [Bodo Moeller] | |
323 | ||
c6c34506 DSH |
324 | *) The PKCS7_ENC_CONTENT_new() function was setting the content type as |
325 | NID_pkcs7_encrypted by default: this was wrong since this should almost | |
326 | always be NID_pkcs7_data. Also modified the PKCS7_set_type() to handle | |
327 | the encrypted data type: this is a more sensible place to put it and it | |
328 | allows the PKCS#12 code to be tidied up that duplicated this | |
329 | functionality. | |
330 | [Steve Henson] | |
331 | ||
fd520577 DSH |
332 | *) Changed obj_dat.pl script so it takes its input and output files on |
333 | the command line. This should avoid shell escape redirection problems | |
334 | under Win32. | |
335 | [Steve Henson] | |
336 | ||
87c49f62 | 337 | *) Initial support for certificate extension requests, these are included |
fd520577 DSH |
338 | in things like Xenroll certificate requests. Included functions to allow |
339 | extensions to be obtained and added. | |
87c49f62 DSH |
340 | [Steve Henson] |
341 | ||
1b1a6e78 BM |
342 | *) -crlf option to s_client and s_server for sending newlines as |
343 | CRLF (as required by many protocols). | |
344 | [Bodo Moeller] | |
345 | ||
9a577e29 | 346 | Changes between 0.9.3a and 0.9.4 [09 Aug 1999] |
dfbaf956 | 347 | |
9a577e29 | 348 | *) Install libRSAglue.a when OpenSSL is built with RSAref. |
dfbaf956 | 349 | [Ralf S. Engelschall] |
74678cc2 | 350 | |
96395158 RE |
351 | *) A few more ``#ifndef NO_FP_API / #endif'' pairs for consistency. |
352 | [Andrija Antonijevic <TheAntony2@bigfoot.com>] | |
353 | ||
ed7f60fb DSH |
354 | *) Fix -startdate and -enddate (which was missing) arguments to 'ca' |
355 | program. | |
356 | [Steve Henson] | |
357 | ||
48c843c3 BM |
358 | *) New function DSA_dup_DH, which duplicates DSA parameters/keys as |
359 | DH parameters/keys (q is lost during that conversion, but the resulting | |
360 | DH parameters contain its length). | |
361 | ||
362 | For 1024-bit p, DSA_generate_parameters followed by DSA_dup_DH is | |
363 | much faster than DH_generate_parameters (which creates parameters | |
364 | where p = 2*q + 1), and also the smaller q makes DH computations | |
365 | much more efficient (160-bit exponentiation instead of 1024-bit | |
366 | exponentiation); so this provides a convenient way to support DHE | |
367 | ciphersuites in SSL/TLS servers (see ssl/ssltest.c). It is of | |
368 | utter importance to use | |
369 | SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE); | |
370 | or | |
371 | SSL_set_options(s_ctx, SSL_OP_SINGLE_DH_USE); | |
372 | when such DH parameters are used, because otherwise small subgroup | |
373 | attacks may become possible! | |
374 | [Bodo Moeller] | |
375 | ||
376 | *) Avoid memory leak in i2d_DHparams. | |
377 | [Bodo Moeller] | |
378 | ||
922180d7 DSH |
379 | *) Allow the -k option to be used more than once in the enc program: |
380 | this allows the same encrypted message to be read by multiple recipients. | |
381 | [Steve Henson] | |
382 | ||
3e3d2ea2 DSH |
383 | *) New function OBJ_obj2txt(buf, buf_len, a, no_name), this converts |
384 | an ASN1_OBJECT to a text string. If the "no_name" parameter is set then | |
385 | it will always use the numerical form of the OID, even if it has a short | |
386 | or long name. | |
387 | [Steve Henson] | |
388 | ||
770d19b8 DSH |
389 | *) Added an extra RSA flag: RSA_FLAG_EXT_PKEY. Previously the rsa_mod_exp |
390 | method only got called if p,q,dmp1,dmq1,iqmp components were present, | |
391 | otherwise bn_mod_exp was called. In the case of hardware keys for example | |
392 | no private key components need be present and it might store extra data | |
96c2201b BM |
393 | in the RSA structure, which cannot be accessed from bn_mod_exp. |
394 | By setting RSA_FLAG_EXT_PKEY rsa_mod_exp will always be called for | |
395 | private key operations. | |
770d19b8 DSH |
396 | [Steve Henson] |
397 | ||
a0618e3e AP |
398 | *) Added support for SPARC Linux. |
399 | [Andy Polyakov] | |
400 | ||
74678cc2 BM |
401 | *) pem_password_cb function type incompatibly changed from |
402 | typedef int pem_password_cb(char *buf, int size, int rwflag); | |
403 | to | |
404 | ....(char *buf, int size, int rwflag, void *userdata); | |
405 | so that applications can pass data to their callbacks: | |
406 | The PEM[_ASN1]_{read,write}... functions and macros now take an | |
407 | additional void * argument, which is just handed through whenever | |
408 | the password callback is called. | |
96c2201b | 409 | [Damien Miller <dmiller@ilogic.com.au>; tiny changes by Bodo Moeller] |
74678cc2 BM |
410 | |
411 | New function SSL_CTX_set_default_passwd_cb_userdata. | |
412 | ||
413 | Compatibility note: As many C implementations push function arguments | |
414 | onto the stack in reverse order, the new library version is likely to | |
415 | interoperate with programs that have been compiled with the old | |
416 | pem_password_cb definition (PEM_whatever takes some data that | |
417 | happens to be on the stack as its last argument, and the callback | |
418 | just ignores this garbage); but there is no guarantee whatsoever that | |
419 | this will work. | |
0cceb1c7 | 420 | |
664b9985 BM |
421 | *) The -DPLATFORM="\"$(PLATFORM)\"" definition and the similar -DCFLAGS=... |
422 | (both in crypto/Makefile.ssl for use by crypto/cversion.c) caused | |
423 | problems not only on Windows, but also on some Unix platforms. | |
2e0fc875 | 424 | To avoid problematic command lines, these definitions are now in an |
57119943 BM |
425 | auto-generated file crypto/buildinf.h (created by crypto/Makefile.ssl |
426 | for standard "make" builds, by util/mk1mf.pl for "mk1mf" builds). | |
664b9985 BM |
427 | [Bodo Moeller] |
428 | ||
7363455f AP |
429 | *) MIPS III/IV assembler module is reimplemented. |
430 | [Andy Polyakov] | |
431 | ||
6434450c UM |
432 | *) More DES library cleanups: remove references to srand/rand and |
433 | delete an unused file. | |
434 |