OpenSSL CHANGES
_______________
- Changes between 0.9.3a and 0.9.4 [xx Jul/Aug/...? 1999]
+ Changes between 0.9.4 and 0.9.5 [xx XXX 1999]
+
+ *) Ugly workaround to get s_client and s_server working under Windows. The
+ old code wouldn't work because it needed to select() on sockets and the
+ tty (for keypresses and to see if data could be written). Win32 only
+ supports select() on sockets so we select() with a 1s timeout on the
+ sockets and then see if any characters are waiting to be read, if none
+ are present then we retry, we also assume we can always write data to
+ the tty. This isn't nice because the code then blocks until we've
+ received a complete line of data and it is effectively polling the
+ keyboard at 1s intervals: however it's quite a bit better than not
+ working at all :-) A dedicated Windows application might handle this
+ with an event loop for example.
+ [Steve Henson]
+
+ *) Enhance RSA_METHOD structure. Now there are two extra methods, rsa_sign
+ and rsa_verify. When the RSA_FLAGS_SIGN_VER option is set these functions
+ will be called when RSA_sign() and RSA_verify() are used. This is useful
+ if rsa_pub_dec() and rsa_priv_enc() equivalents are not available.
+ For this to work properly RSA_public_decrypt() and RSA_private_encrypt()
+ should *not* be used: RSA_sign() and RSA_verify() must be used instead.
+ This necessitated the support of an extra signature type NID_md5_sha1
+ for SSL signatures and modifications to the SSL library to use it instead
+ of calling RSA_public_decrypt() and RSA_private_encrypt().
+ [Steve Henson]
+
+ *) Add new -verify -CAfile and -CApath options to the crl program, these
+ will lookup a CRL issuers certificate and verify the signature in a
+ similar way to the verify program. Tidy up the crl program so it
+ no longer acesses structures directly. Make the ASN1 CRL parsing a bit
+ less strict. It will now permit CRL extensions even if it is not
+ a V2 CRL: this will allow it to tolerate some broken CRLs.
+ [Steve Henson]
+
+ *) Initialize all non-automatic variables each time one of the openssl
+ sub-programs is started (this is necessary as they may be started
+ multiple times from the "OpenSSL>" prompt).
+ [Lennart Bang, Bodo Moeller]
+
+ *) Preliminary compilation option RSA_NULL which disables RSA crypto without
+ removing all other RSA functionality (this is what NO_RSA does). This
+ is so (for example) those in the US can disable those operations covered
+ by the RSA patent while allowing storage and parsing of RSA keys and RSA
+ key generation.
+ [Steve Henson]
+
+ *) Non-copying interface to BIO pairs.
+ (still largely untested)
+ [Bodo Moeller]
+
+ *) New function ANS1_tag2str() to convert an ASN1 tag to a descriptive
+ ASCII string. This was handled independently in various places before.
+ [Steve Henson]
+
+ *) New functions UTF8_getc() and UTF8_putc() that parse and generate
+ UTF8 strings a character at a time.
+ [Steve Henson]
+
+ *) Use client_version from client hello to select the protocol
+ (s23_srvr.c) and for RSA client key exchange verification
+ (s3_srvr.c), as required by the SSL 3.0/TLS 1.0 specifications.
+ [Bodo Moeller]
+
+ *) Add various utility functions to handle SPKACs, these were previously
+ handled by poking round in the structure internals. Added new function
+ NETSCAPE_SPKI_print() to print out SPKAC and a new utility 'spkac' to
+ print, verify and generate SPKACs. Based on an original idea from
+ Massimiliano Pala <madwolf@comune.modena.it> but extensively modified.
+ [Steve Henson]
+
+ *) RIPEMD160 is operational on all platforms and is back in 'make test'.
+ [Andy Polyakov]
+
+ *) Allow the config file extension section to be overwritten on the
+ command line. Based on an original idea from Massimiliano Pala
+ <madwolf@comune.modena.it>. The new option is called -extensions
+ and can be applied to ca, req and x509. Also -reqexts to override
+ the request extensions in req and -crlexts to override the crl extensions
+ in ca.
+ [Steve Henson]
+
+ *) Add new feature to the SPKAC handling in ca. Now you can include
+ the same field multiple times by preceding it by "XXXX." for example:
+ 1.OU="Unit name 1"
+ 2.OU="Unit name 2"
+ this is the same syntax as used in the req config file.
+ [Steve Henson]
+
+ *) Allow certificate extensions to be added to certificate requests. These
+ are specified in a 'req_extensions' option of the req section of the
+ config file. They can be printed out with the -text option to req but
+ are otherwise ignored at present.
+ [Steve Henson]
+
+ *) Fix a horrible bug in enc_read() in crypto/evp/bio_enc.c: if the first
+ dataread consists of only the final block it would not decrypted because
+ EVP_CipherUpdate() would correctly report zero bytes had been decrypted.
+ A misplaced 'break' also meant the decrypted final block might not be
+ copied until the next read.
+ [Steve Henson]
+
+ *) Initial support for DH_METHOD. Again based on RSA_METHOD. Also added
+ a few extra parameters to the DH structure: these will be useful if
+ for example we want the value of 'q' or implement X9.42 DH.
+ [Steve Henson]
+
+ *) Initial support for DSA_METHOD. This is based on the RSA_METHOD and
+ provides hooks that allow the default DSA functions or functions on a
+ "per key" basis to be replaced. This allows hardware acceleration and
+ hardware key storage to be handled without major modification to the
+ library. Also added low level modexp hooks and CRYPTO_EX structure and
+ associated functions.
+ [Steve Henson]
+
+ *) Add a new flag to memory BIOs, BIO_FLAG_MEM_RDONLY. This marks the BIO
+ as "read only": it can't be written to and the buffer it points to will
+ not be freed. Reading from a read only BIO is much more efficient than
+ a normal memory BIO. This was added because there are several times when
+ an area of memory needs to be read from a BIO. The previous method was
+ to create a memory BIO and write the data to it, this results in two
+ copies of the data and an O(n^2) reading algorithm. There is a new
+ function BIO_new_mem_buf() which creates a read only memory BIO from
+ an area of memory. Also modified the PKCS#7 routines to use read only
+ memory BIOSs.
+ [Steve Henson]
+
+ *) Bugfix: ssl23_get_client_hello did not work properly when called in
+ state SSL23_ST_SR_CLNT_HELLO_B, i.e. when the first 7 bytes of
+ a SSLv2-compatible client hello for SSLv3 or TLSv1 could be read,
+ but a retry condition occured while trying to read the rest.
+ [Bodo Moeller]
+
+ *) The PKCS7_ENC_CONTENT_new() function was setting the content type as
+ NID_pkcs7_encrypted by default: this was wrong since this should almost
+ always be NID_pkcs7_data. Also modified the PKCS7_set_type() to handle
+ the encrypted data type: this is a more sensible place to put it and it
+ allows the PKCS#12 code to be tidied up that duplicated this
+ functionality.
+ [Steve Henson]
+
+ *) Changed obj_dat.pl script so it takes its input and output files on
+ the command line. This should avoid shell escape redirection problems
+ under Win32.
+ [Steve Henson]
+
+ *) Initial support for certificate extension requests, these are included
+ in things like Xenroll certificate requests. Included functions to allow
+ extensions to be obtained and added.
+ [Steve Henson]
+
+ *) -crlf option to s_client and s_server for sending newlines as
+ CRLF (as required by many protocols).
+ [Bodo Moeller]
+
+ Changes between 0.9.3a and 0.9.4 [09 Aug 1999]
+
+ *) Install libRSAglue.a when OpenSSL is built with RSAref.
+ [Ralf S. Engelschall]
+
+ *) A few more ``#ifndef NO_FP_API / #endif'' pairs for consistency.
+ [Andrija Antonijevic <TheAntony2@bigfoot.com>]
+
+ *) Fix -startdate and -enddate (which was missing) arguments to 'ca'
+ program.
+ [Steve Henson]
+
+ *) New function DSA_dup_DH, which duplicates DSA parameters/keys as
+ DH parameters/keys (q is lost during that conversion, but the resulting
+ DH parameters contain its length).
+
+ For 1024-bit p, DSA_generate_parameters followed by DSA_dup_DH is
+ much faster than DH_generate_parameters (which creates parameters
+ where p = 2*q + 1), and also the smaller q makes DH computations
+ much more efficient (160-bit exponentiation instead of 1024-bit
+ exponentiation); so this provides a convenient way to support DHE
+ ciphersuites in SSL/TLS servers (see ssl/ssltest.c). It is of
+ utter importance to use
+ SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
+ or
+ SSL_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
+ when such DH parameters are used, because otherwise small subgroup
+ attacks may become possible!
+ [Bodo Moeller]
+
+ *) Avoid memory leak in i2d_DHparams.
+ [Bodo Moeller]
+
+ *) Allow the -k option to be used more than once in the enc program:
+ this allows the same encrypted message to be read by multiple recipients.
+ [Steve Henson]
*) New function OBJ_obj2txt(buf, buf_len, a, no_name), this converts
an ASN1_OBJECT to a text string. If the "no_name" parameter is set then
method only got called if p,q,dmp1,dmq1,iqmp components were present,
otherwise bn_mod_exp was called. In the case of hardware keys for example
no private key components need be present and it might store extra data
- in the RSA structure, which cannot be accessed from bn_mod_exp. By setting
- RSA_FLAG_EXT_PKEY rsa_mod_exp will always be called for private key
- operations.
+ in the RSA structure, which cannot be accessed from bn_mod_exp.
+ By setting RSA_FLAG_EXT_PKEY rsa_mod_exp will always be called for
+ private key operations.
[Steve Henson]
*) Added support for SPARC Linux.
The PEM[_ASN1]_{read,write}... functions and macros now take an
additional void * argument, which is just handed through whenever
the password callback is called.
- [Damien Miller <dmiller@ilogic.com.au>, with tiny changes by Bodo Moeller]
+ [Damien Miller <dmiller@ilogic.com.au>; tiny changes by Bodo Moeller]
New function SSL_CTX_set_default_passwd_cb_userdata.
projects / openssl.git / blobdiff