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1 | ||
2 | OpenSSL CHANGES | |
3 | _______________ | |
4 | ||
5 | Changes between 0.9.8b and 0.9.9 [xx XXX xxxx] | |
6 | ||
7 | *) New function X509_CRL_match() to check if two CRLs are identical. Normally | |
8 | this would be called X509_CRL_cmp() but that name is already used by | |
9 | a function that just compares CRL issuer names. Cache several CRL | |
10 | extensions in X509_CRL structure and cache CRLDP in X509. | |
11 | [Steve Henson] | |
12 | ||
13 | *) Store a "canonical" representation of X509_NAME structure (ASN1 Name) | |
14 | this maps equivalent X509_NAME structures into a consistent structure. | |
15 | Name comparison can then be performed rapidly using memcmp(). | |
16 | [Steve Henson] | |
17 | ||
18 | *) Non-blocking OCSP request processing. Add -timeout option to ocsp | |
19 | utility. | |
20 | [Steve Henson] | |
21 | ||
22 | *) Allow digests to supply their own micalg string for S/MIME type using | |
23 | the ctrl EVP_MD_CTRL_MICALG. | |
24 | [Steve Henson] | |
25 | ||
26 | *) During PKCS7 signing pass the PKCS7 SignerInfo structure to the | |
27 | EVP_PKEY_METHOD before and after signing via the EVP_PKEY_CTRL_PKCS7_SIGN | |
28 | ctrl. It can then customise the structure before and/or after signing | |
29 | if necessary. | |
30 | [Steve Henson] | |
31 | ||
32 | *) New function OBJ_add_sigid() to allow application defined signature OIDs | |
33 | to be added to OpenSSLs internal tables. New function OBJ_sigid_free() | |
34 | to free up any added signature OIDs. | |
35 | [Steve Henson] | |
36 | ||
37 | *) New functions EVP_CIPHER_do_all(), EVP_CIPHER_do_all_sorted(), | |
38 | EVP_MD_do_all() and EVP_MD_do_all_sorted() to enumerate internal | |
39 | digest and cipher tables. New options added to openssl utility: | |
40 | list-message-digest-algorithms and list-cipher-algorithms. | |
41 | [Steve Henson] | |
42 | ||
43 | *) In addition to the numerical (unsigned long) thread ID, provide | |
44 | for a pointer (void *) thread ID. This helps accomodate systems | |
45 | that do not provide an unsigned long thread ID. OpenSSL assumes | |
46 | it is in the same thread iff both the numerical and the pointer | |
47 | thread ID agree; so applications are just required to define one | |
48 | of them appropriately (e.g., by using a pointer to a per-thread | |
49 | memory object malloc()ed by the application for the pointer-type | |
50 | thread ID). Exactly analoguous to the existing functions | |
51 | ||
52 | void CRYPTO_set_id_callback(unsigned long (*func)(void)); | |
53 | unsigned long (*CRYPTO_get_id_callback(void))(void); | |
54 | unsigned long CRYPTO_thread_id(void); | |
55 | ||
56 | we now have additional functions | |
57 | ||
58 | void CRYPTO_set_idptr_callback(void *(*func)(void)); | |
59 | void *(*CRYPTO_get_idptr_callback(void))(void); | |
60 | void *CRYPTO_thread_idptr(void); | |
61 | ||
62 | also in <openssl/crypto.h>. The default value for | |
63 | CRYPTO_thread_idptr() if the application has not provided its own | |
64 | callback is &errno. | |
65 | [Bodo Moeller] | |
66 | ||
67 | *) Change the array representation of binary polynomials: the list | |
68 | of degrees of non-zero coefficients is now terminated with -1. | |
69 | Previously it was terminated with 0, which was also part of the | |
70 | value; thus, the array representation was not applicable to | |
71 | polynomials where t^0 has coefficient zero. This change makes | |
72 | the array representation useful in a more general context. | |
73 | [Douglas Stebila] | |
74 | ||
75 | *) Various modifications and fixes to SSL/TLS cipher string | |
76 | handling. For ECC, the code now distinguishes between fixed ECDH | |
77 | with RSA certificates on the one hand and with ECDSA certificates | |
78 | on the other hand, since these are separate ciphersuites. The | |
79 | unused code for Fortezza ciphersuites has been removed. | |
80 | ||
81 | For consistency with EDH, ephemeral ECDH is now called "EECDH" | |
82 | (not "ECDHE"). For consistency with the code for DH | |
83 | certificates, use of ECDH certificates is now considered ECDH | |
84 | authentication, not RSA or ECDSA authentication (the latter is | |
85 | merely the CA's signing algorithm and not actively used in the | |
86 | protocol). | |
87 | ||
88 | The temporary ciphersuite alias "ECCdraft" is no longer | |
89 | available, and ECC ciphersuites are no longer excluded from "ALL" | |
90 | and "DEFAULT". The following aliases now exist for RFC 4492 | |
91 | ciphersuites, most of these by analogy with the DH case: | |
92 | ||
93 | kECDHr - ECDH cert, signed with RSA | |
94 | kECDHe - ECDH cert, signed with ECDSA | |
95 | kECDH - ECDH cert (signed with either RSA or ECDSA) | |
96 | kEECDH - ephemeral ECDH | |
97 | ECDH - ECDH cert or ephemeral ECDH | |
98 | ||
99 | aECDH - ECDH cert | |
100 | aECDSA - ECDSA cert | |
101 | ECDSA - ECDSA cert | |
102 | ||
103 | AECDH - anonymous ECDH | |
104 | EECDH - non-anonymous ephemeral ECDH (equivalent to "kEECDH:-AECDH") | |
105 | ||
106 | [Bodo Moeller] | |
107 | ||
108 | *) Add additional S/MIME capabilities for AES and GOST ciphers if supported. | |
109 | Use correct micalg parameters depending on digest(s) in signed message. | |
110 | [Steve Henson] | |
111 | ||
112 | *) Add engine support for EVP_PKEY_ASN1_METHOD. Add functions to process | |
113 | an ENGINE asn1 method. Support ENGINE lookups in the ASN1 code. | |
114 | [Steve Henson] | |
115 | ||
116 | *) Initial engine support for EVP_PKEY_METHOD. New functions to permit | |
117 | an engine to register a method. Add ENGINE lookups for methods and | |
118 | functional reference processing. | |
119 | [Steve Henson] | |
120 | ||
121 | *) New functions EVP_Digest{Sign,Verify)*. These are enchance versions of | |
122 | EVP_{Sign,Verify}* which allow an application to customise the signature | |
123 | process. | |
124 | [Steve Henson] | |
125 | ||
126 | *) New -resign option to smime utility. This adds one or more signers | |
127 | to an existing PKCS#7 signedData structure. Also -md option to use an | |
128 | alternative message digest algorithm for signing. | |
129 | [Steve Henson] | |
130 | ||
131 | *) Tidy up PKCS#7 routines and add new functions to make it easier to | |
132 | create PKCS7 structures containing multiple signers. Update smime | |
133 | application to support multiple signers. | |
134 | [Steve Henson] | |
135 | ||
136 | *) New -macalg option to pkcs12 utility to allow setting of an alternative | |
137 | digest MAC. | |
138 | [Steve Henson] | |
139 | ||
140 | *) Initial support for PKCS#5 v2.0 PRFs other than default SHA1 HMAC. | |
141 | Reorganize PBE internals to lookup from a static table using NIDs, | |
142 | add support for HMAC PBE OID translation. Add a EVP_CIPHER ctrl: | |
143 | EVP_CTRL_PBE_PRF_NID this allows a cipher to specify an alternative | |
144 | PRF which will be automatically used with PBES2. | |
145 | [Steve Henson] | |
146 | ||
147 | *) Replace the algorithm specific calls to generate keys in "req" with the | |
148 | new API. | |
149 | [Steve Henson] | |
150 | ||
151 | *) Update PKCS#7 enveloped data routines to use new API. This is now | |
152 | supported by any public key method supporting the encrypt operation. A | |
153 | ctrl is added to allow the public key algorithm to examine or modify | |
154 | the PKCS#7 RecipientInfo structure if it needs to: for RSA this is | |
155 | a no op. | |
156 | [Steve Henson] | |
157 | ||
158 | *) Add a ctrl to asn1 method to allow a public key algorithm to express | |
159 | a default digest type to use. In most cases this will be SHA1 but some | |
160 | algorithms (such as GOST) need to specify an alternative digest. The | |
161 | return value indicates how strong the prefernce is 1 means optional and | |
162 | 2 is mandatory (that is it is the only supported type). Modify | |
163 | ASN1_item_sign() to accept a NULL digest argument to indicate it should | |
164 | use the default md. Update openssl utilities to use the default digest | |
165 | type for signing if it is not explicitly indicated. | |
166 | [Steve Henson] | |
167 | ||
168 | *) Use OID cross reference table in ASN1_sign() and ASN1_verify(). New | |
169 | EVP_MD flag EVP_MD_FLAG_PKEY_METHOD_SIGNATURE. This uses the relevant | |
170 | signing method from the key type. This effectively removes the link | |
171 | between digests and public key types. | |
172 | [Steve Henson] | |
173 | ||
174 | *) Add an OID cross reference table and utility functions. Its purpose is to | |
175 | translate between signature OIDs such as SHA1WithrsaEncryption and SHA1, | |
176 | rsaEncryption. This will allow some of the algorithm specific hackery | |
177 | needed to use the correct OID to be removed. | |
178 | [Steve Henson] | |
179 | ||
180 | *) Remove algorithm specific dependencies when setting PKCS7_SIGNER_INFO | |
181 | structures for PKCS7_sign(). They are now set up by the relevant public | |
182 | key ASN1 method. | |
183 | [Steve Henson] | |
184 | ||
185 | *) Add provisional EC pkey method with support for ECDSA and ECDH. | |
186 | [Steve Henson] | |
187 | ||
188 | *) Add support for key derivation (agreement) in the API, DH method and | |
189 | pkeyutl. | |
190 | [Steve Henson] | |
191 | ||
192 | *) Add DSA pkey method and DH pkey methods, extend DH ASN1 method to support | |
193 | public and private key formats. As a side effect these add additional | |
194 | command line functionality not previously available: DSA signatures can be | |
195 | generated and verified using pkeyutl and DH key support and generation in | |
196 | pkey, genpkey. | |
197 | [Steve Henson] | |
198 | ||
199 | *) BeOS support. | |
200 | [Oliver Tappe <zooey@hirschkaefer.de>] | |
201 | ||
202 | *) New make target "install_html_docs" installs HTML renditions of the | |
203 | manual pages. | |
204 | [Oliver Tappe <zooey@hirschkaefer.de>] | |
205 | ||
206 | *) New utility "genpkey" this is analagous to "genrsa" etc except it can | |
207 | generate keys for any algorithm. Extend and update EVP_PKEY_METHOD to | |
208 | support key and parameter generation and add initial key generation | |
209 | functionality for RSA. | |
210 | [Steve Henson] | |
211 | ||
212 | *) Add functions for main EVP_PKEY_method operations. The undocumented | |
213 | functions EVP_PKEY_{encrypt,decrypt} have been renamed to | |
214 | EVP_PKEY_{encrypt,decrypt}_old. | |
215 | [Steve Henson] | |
216 | ||
217 | *) Initial definitions for EVP_PKEY_METHOD. This will be a high level public | |
218 | key API, doesn't do much yet. | |
219 | [Steve Henson] | |
220 | ||
221 | *) New function EVP_PKEY_asn1_get0_info() to retrieve information about | |
222 | public key algorithms. New option to openssl utility: | |
223 | "list-public-key-algorithms" to print out info. | |
224 | [Steve Henson] | |
225 | ||
226 | *) Implement the Supported Elliptic Curves Extension for | |
227 | ECC ciphersuites from draft-ietf-tls-ecc-12.txt. | |
228 | [Douglas Stebila] | |
229 | ||
230 | *) Don't free up OIDs in OBJ_cleanup() if they are in use by EVP_MD or | |
231 | EVP_CIPHER structures to avoid later problems in EVP_cleanup(). | |
232 | [Steve Henson] | |
233 | ||
234 | *) New utilities pkey and pkeyparam. These are similar to algorithm specific | |
235 | utilities such as rsa, dsa, dsaparam etc except they process any key | |
236 | type. | |
237 | [Steve Henson] | |
238 | ||
239 | *) Transfer public key printing routines to EVP_PKEY_ASN1_METHOD. New | |
240 | functions EVP_PKEY_print_public(), EVP_PKEY_print_private(), | |
241 | EVP_PKEY_print_param() to print public key data from an EVP_PKEY | |
242 | structure. | |
243 | [Steve Henson] | |
244 | ||
245 | *) Initial support for pluggable public key ASN1. | |
246 | De-spaghettify the public key ASN1 handling. Move public and private | |
247 | key ASN1 handling to a new EVP_PKEY_ASN1_METHOD structure. Relocate | |
248 | algorithm specific handling to a single module within the relevant | |
249 | algorithm directory. Add functions to allow (near) opaque processing | |
250 | of public and private key structures. | |
251 | [Steve Henson] | |
252 | ||
253 | *) Implement the Supported Point Formats Extension for | |
254 | ECC ciphersuites from draft-ietf-tls-ecc-12.txt. | |
255 | [Douglas Stebila] | |
256 | ||
257 | *) Add initial support for RFC 4279 PSK TLS ciphersuites. Add members | |
258 | for the psk identity [hint] and the psk callback functions to the | |
259 | SSL_SESSION, SSL and SSL_CTX structure. | |
260 | ||
261 | New ciphersuites: | |
262 | PSK-RC4-SHA, PSK-3DES-EDE-CBC-SHA, PSK-AES128-CBC-SHA, | |
263 | PSK-AES256-CBC-SHA | |
264 | ||
265 | New functions: | |
266 | SSL_CTX_use_psk_identity_hint | |
267 | SSL_get_psk_identity_hint | |
268 | SSL_get_psk_identity | |
269 | SSL_use_psk_identity_hint | |
270 | ||
271 | [Mika Kousa and Pasi Eronen of Nokia Corporation] | |
272 | ||
273 | *) Add RFC 3161 compliant time stamp request creation, response generation | |
274 | and response verification functionality. | |
275 |