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Release Notes: CTC Library 2.2

Release 2.2 is largely a bug fix release release 2.1. The main changes are:-

There are a few new entry points.
Changes to structs
Slight header file changes
Bug fixes

In general, the changes are upwards compatible. There should be little or no problem of application developers in upgrading. A couple of functions that previously returned void now returns a value. This should not cause any real problems, but could provoke some compiler warnings.

Extensions

Functions key_extract() and key_revoke() now return booleans indicating success. Formerly each returned void.

Struct Changes

The structure encryptInsts has had two redundant fields cv_len and cv_data removed. This may effect declarations that initialise the whole structure.

Header Changes

These have all been made to make the full definitions of types used by exported machines, available in the exported header files, so that internal headers files need not be included by application code. (Quite a lot more changes of this type are probably necessary.)

The definition of prime_method moved to abstract.h
The definition of keyType moved to keyhash.h.
The definition of recordSummary moved to keyhash.h.
keyhash.h is moved to the exports directory.

Cipher Constant Renaming

We are now using CEA_OPGP_... (OpenPGP) names in preference to CEA_GPG_...(Gnu PG) names. This means that the following constants have been discontinued:-

CEA_GPG_ROT_N
CEA_GPG_SAFERSK128
CEA_GPG_DES_SK
CEA_ROT_NFLEX

The following new codes have been introduced:-

CEA_OPGP_SAFERSK128
CEA_OPGP_DES_SK
CEA_OPGP_AES_128
CEA_OPGP_AES_192
CEA_OPGP_AES_256
CEA_OPGP_TWOFISH_256
CEA_AES_128
CEA_AES_192
CEA_AES_256
CEA_TWOFISH_256

Bug Fixes

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