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* ext/digest, test/digest/test_digest.rb: Merge from trunk:

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- Introduce versioning in Digest::Base API, and prefix C
    constants with RUBY_ and C type names with rb_ to avoid name
    clash in writing extensions.
  - Introduce Digest::Class and Digest::Instance for ease of
    implementing subclasses and add-ons.
  - Digest::Instance module requires and assumes that any instance
    be resettable and clonable.  An instance method #new() is
    added so digest instances work just like digest classes.
  - The constructor does no longer take an initial string to feed;
    digest() and hexdigest() now do, instead.  This allows digest
    classes to take their own hashing parameters.
  - Make some changes to digest() and hexdigest() class methods,
    which now take extra arguments, which are passed through to
    the constructor in an internal call.
  - Add #digest_length/size/length() and #block_length(),
  - Add the Digest::SHA2 class to wrap up SHA2 variants: SHA256,
    SHA384 and SHA512, hoping this module would make a decent
    example of a digest subclass written in Ruby.
  - Rip BubbleBabble support out of the base class and have a
    separate module named digest/bubblebabble.
  - Remove RD documents in favor of newly written and embedded
    RDoc documentation.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@11223 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
knu 2006-10-25 08:54:05 +00:00
parent 0bdf887afc
commit 817afbd987
14 changed files with 883 additions and 587 deletions
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18
ext/digest/sha2/sha2init.c
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@ -7,16 +7,23 @@
#define FOREACH_BITLEN(func) func(256) func(384) func(512)
#define DEFINE_ALGO_METADATA(bitlen) \
static algo_t sha##bitlen = { \
static rb_digest_metadata_t sha##bitlen = { \
RUBY_DIGEST_API_VERSION, \
SHA##bitlen##_DIGEST_LENGTH, \
SHA##bitlen##_BLOCK_LENGTH, \
sizeof(SHA##bitlen##_CTX), \
(hash_init_func_t)SHA##bitlen##_Init, \
(hash_update_func_t)SHA##bitlen##_Update, \
(hash_finish_func_t)SHA##bitlen##_Finish, \
(rb_digest_hash_init_func_t)SHA##bitlen##_Init, \
(rb_digest_hash_update_func_t)SHA##bitlen##_Update, \
(rb_digest_hash_finish_func_t)SHA##bitlen##_Finish, \
};
FOREACH_BITLEN(DEFINE_ALGO_METADATA)
/*
* Classes for calculating message digests using the SHA-256/384/512
* Secure Hash Algorithm(s) by NIST (the US' National Institute of
* Standards and Technology), described in FIPS PUB 180-2.
*/
void
Init_sha2()
{
@ -37,9 +44,6 @@ Init_sha2()
#define DEFINE_ALGO_CLASS(bitlen) \
cDigest_SHA##bitlen = rb_define_class_under(mDigest, "SHA" #bitlen, cDigest_Base); \
\
rb_define_const(cDigest_SHA##bitlen, "DIGEST_LENGTH", INT2NUM(SHA##bitlen##_DIGEST_LENGTH)); \
rb_define_const(cDigest_SHA##bitlen, "BLOCK_LENGTH", INT2NUM(SHA##bitlen##_BLOCK_LENGTH)); \
\
rb_ivar_set(cDigest_SHA##bitlen, id_metadata, \
Data_Wrap_Struct(rb_cObject, 0, 0, &sha##bitlen));