Changes between 1.1.1 and 3.0.0 [xx XXX xxxx]
+ *) Extended testing to be verbose for failing tests only. The make variables
+ VERBOSE_FAILURE or VF can be used to enable this:
+
+ $ make VF=1 test # Unix
+ $ mms /macro=(VF=1) test ! OpenVMS
+ $ nmake VF=1 test # Windows
+
+ [Richard Levitte]
+
+ *) For built-in EC curves, ensure an EC_GROUP built from the curve name is
+ used even when parsing explicit parameters, when loading a serialized key
+ or calling `EC_GROUP_new_from_ecpkparameters()`/
+ `EC_GROUP_new_from_ecparameters()`.
+ This prevents bypass of security hardening and performance gains,
+ especially for curves with specialized EC_METHODs.
+ By default, if a key encoded with explicit parameters is loaded and later
+ serialized, the output is still encoded with explicit parameters, even if
+ internally a "named" EC_GROUP is used for computation.
+ [Nicola Tuveri]
+
*) Compute ECC cofactors if not provided during EC_GROUP construction. Before
this change, EC_GROUP_set_generator would accept order and/or cofactor as
NULL. After this change, only the cofactor parameter can be NULL. It also
(CVE-2019-1547)
[Billy Bob Brumley]
+ *) Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey.
+ An attack is simple, if the first CMS_recipientInfo is valid but the
+ second CMS_recipientInfo is chosen ciphertext. If the second
+ recipientInfo decodes to PKCS #1 v1.5 form plaintext, the correct
+ encryption key will be replaced by garbage, and the message cannot be
+ decoded, but if the RSA decryption fails, the correct encryption key is
+ used and the recipient will not notice the attack.
+ As a work around for this potential attack the length of the decrypted
+ key must be equal to the cipher default key length, in case the
+ certifiate is not given and all recipientInfo are tried out.
+ The old behaviour can be re-enabled in the CMS code by setting the
+ CMS_DEBUG_DECRYPT flag.
+ [Bernd Edlinger]
+
*) Early start up entropy quality from the DEVRANDOM seed source has been
improved for older Linux systems. The RAND subsystem will wait for
/dev/random to be producing output before seeding from /dev/urandom.