kotovalexarian
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digest-keccak
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Rename gem

This commit is contained in:
Alex Kotov 2019-06-08 16:53:04 +05:00
parent cd172e45d2
commit e7e8940b33
Signed by: kotovalexarian
GPG Key ID: 553C0EBBEB5D5F08
8 changed files with 50 additions and 50 deletions
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14
README.md
View File

@ -18,18 +18,18 @@ and variable length. Variable length is not supported by this Ruby extension.
Unless the user specifies otherwise, this Ruby extension assumes 512-bit.
```ruby
require 'digest/sha3'
require 'digest/keccak'
# Generate 512-bit digest.
Digest::SHA3.digest("foo") # => "\025\227\204*..."
Digest::SHA3.hexdigest("foo") # => "1597842a..."
Digest::Keccak.digest("foo") # => "\025\227\204*..."
Digest::Keccak.hexdigest("foo") # => "1597842a..."
# Generate 224-bit digest.
Digest::SHA3.digest("foo", 224) # => "\332\251M\247..."
Digest::SHA3.hexdigest("foo", 224) # => "daa94da7..."
Digest::Keccak.digest("foo", 224) # => "\332\251M\247..."
Digest::Keccak.hexdigest("foo", 224) # => "daa94da7..."
# Use this interface to feed data in chunks. 512-bit by default.
digest = Digest::SHA3.new
digest = Digest::Keccak.new
digest.update("f")
digest.update("o")
digest.update("o")
@ -37,7 +37,7 @@ Unless the user specifies otherwise, this Ruby extension assumes 512-bit.
digest.hexdigest # => "1597842a..."
# You can pass a hash length to the constructor.
digest = Digest::SHA3.new(224)
digest = Digest::Keccak.new(224)
```

8
digest-sha3.gemspec → digest-keccak.gemspec
View File

@ -3,11 +3,11 @@
lib = File.expand_path('lib', __dir__).freeze
$LOAD_PATH.unshift lib unless $LOAD_PATH.include? lib
require 'digest/sha3/version'
require 'digest/keccak/version'
Gem::Specification.new do |spec|
spec.name = 'digest-sha3'
spec.version = Digest::SHA3::Version::STRING
spec.name = 'digest-keccak'
spec.version = Digest::Keccak::Version::STRING
spec.license = 'MIT'
spec.homepage = 'https://github.com/kotovalexarian/digest-keccak.rb'
spec.summary = 'The Keccak cryptographic hash function.'
@ -35,7 +35,7 @@ Gem::Specification.new do |spec|
'README.md',
'LICENSE',
'Makefile',
'digest-sha3.gemspec',
'digest-keccak.gemspec',
'ext/**/*.{c,h,rb}',
'lib/**/*',
]

2
ext/digest/extconf.rb
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@ -4,4 +4,4 @@ have_header('ruby/digest.h')
have_func('rb_str_set_len')
$CFLAGS << " -fvisibility=hidden"
create_makefile('digest/sha3')
create_makefile('digest/keccak')

62
ext/digest/sha3.c → ext/digest/keccak.c
View File

@ -9,23 +9,23 @@
#define MAX_DIGEST_SIZE 64
#define DEFAULT_DIGEST_LEN 512
static int sha3_init_func(hashState *ctx);
static void sha3_update_func(hashState *ctx, unsigned char *str, size_t len);
static int sha3_finish_func(hashState *ctx, unsigned char *digest);
static int keccak_init_func(hashState *ctx);
static void keccak_update_func(hashState *ctx, unsigned char *str, size_t len)keccak
static int keccak_finish_func(hashState *ctx, unsigned char *digest);
/*
Metadata definition for the SHA3 algorithm.
Metadata definition for the Keccak algorithm.
Defines the Version, sizes for block and digest as well as
the entry points for the algorithms
*/
static rb_digest_metadata_t sha3 = {
static rb_digest_metadata_t keccak = {
RUBY_DIGEST_API_VERSION,
DEFAULT_DIGEST_LEN,
KeccakPermutationSize - (2 * DEFAULT_DIGEST_LEN), //size of blocks
sizeof(hashState), //size of context for the object we'll be passed in below functions.
(rb_digest_hash_init_func_t)sha3_init_func,
(rb_digest_hash_update_func_t)sha3_update_func,
(rb_digest_hash_finish_func_t)sha3_finish_func,
(rb_digest_hash_init_func_t)keccak_init_func,
(rb_digest_hash_update_func_t)keccak_update_func,
(rb_digest_hash_finish_func_t)keccak_finish_func,
};
/* Initialization function for the algorithm,
@ -33,7 +33,7 @@ static rb_digest_metadata_t sha3 = {
we override initialize to do custom hash size, so we don't care too much here.
*/
static int
sha3_init_func(hashState *ctx) {
keccak_init_func(hashState *ctx) {
// Just return a 1 ' successful' we override the init function
// so this is not necessary
// the base class alloc calls this to initialize the algorithm
@ -42,29 +42,29 @@ sha3_init_func(hashState *ctx) {
/* Update function, take the current context and add str to it */
static void
sha3_update_func(hashState *ctx, unsigned char *str, size_t len) {
keccak_update_func(hashState *ctx, unsigned char *str, size_t len) {
Update(ctx, str, len * 8);
}
/* Finish the hash calculation and return the finished string */
static int
sha3_finish_func(hashState *ctx, unsigned char *digest) {
keccak_finish_func(hashState *ctx, unsigned char *digest) {
Final(ctx, digest);
return 1;
}
/* Ruby method. Digest::SHA3#finish()
/* Ruby method. Digest::Keccak#finish()
* No Arguments
* @returns [String] Encoded Digest String
*/
static VALUE
rb_sha3_finish(VALUE self) {
rb_keccak_finish(VALUE self) {
hashState *ctx;
VALUE digest;
ctx = (hashState *)RTYPEDDATA_DATA(self);
digest = rb_str_new(0, ctx->capacity / 2 / 8);
sha3_finish_func(ctx, (unsigned char *)RSTRING_PTR(digest));
keccak_finish_func(ctx, (unsigned char *)RSTRING_PTR(digest));
return digest;
}
@ -73,7 +73,7 @@ rb_sha3_finish(VALUE self) {
* initialize the ctx with the bitlength
*/
static void
sha3_init(hashState *ctx, size_t bitlen) {
keccak_init(hashState *ctx, size_t bitlen) {
switch (Init(ctx, bitlen)) {
case SUCCESS:
return;
@ -86,12 +86,12 @@ sha3_init(hashState *ctx, size_t bitlen) {
}
}
/* Ruby method. Digest::SHA3.new(hashlen)
/* Ruby method. Digest::Keccak.new(hashlen)
* @param hashlen The length of hash, only supports 224, 256, 384 or 512
* @returns [Digest::SHA3] new object.
* @returns [Digest::Keccak] new object.
*/
static VALUE
rb_sha3_initialize(int argc, VALUE *argv, VALUE self) {
rb_keccak_initialize(int argc, VALUE *argv, VALUE self) {
hashState *ctx;
VALUE hashlen;
int i_hashlen;
@ -106,27 +106,27 @@ rb_sha3_initialize(int argc, VALUE *argv, VALUE self) {
}
ctx = (hashState *)RTYPEDDATA_DATA(self);
sha3_init(ctx, i_hashlen);
keccak_init(ctx, i_hashlen);
return rb_call_super(0, NULL);
}
/* Ruby method. Digest::SHA3#digest_length
/* Ruby method. Digest::Keccak#digest_length
* @returns [Numeric] Length of the digest.
*/
static VALUE
rb_sha3_digest_length(VALUE self) {
rb_keccak_digest_length(VALUE self) {
hashState *ctx;
ctx = (hashState *)RTYPEDDATA_DATA(self);
return INT2FIX(ctx->capacity / 2 / 8);
}
/* Ruby method. Digest::SHA3#block_length
/* Ruby method. Digest::Keccak#block_length
* @returns [Numeric] Length of blocks in this digest.
*/
static VALUE
rb_sha3_block_length(VALUE self) {
rb_keccak_block_length(VALUE self) {
hashState *ctx;
ctx = (hashState *)RTYPEDDATA_DATA(self);
@ -134,20 +134,20 @@ rb_sha3_block_length(VALUE self) {
}
void __attribute__((visibility("default")))
Init_sha3() {
VALUE mDigest, cDigest_Base, cSHA3;
Init_keccak() {
VALUE mDigest, cDigest_Base, cKeccak;
rb_require("digest");
mDigest = rb_path2class("Digest");
cDigest_Base = rb_path2class("Digest::Base");
cSHA3 = rb_define_class_under(mDigest, "SHA3", cDigest_Base);
cKeccak = rb_define_class_under(mDigest, "Keccak", cDigest_Base);
rb_iv_set(cSHA3, "metadata", Data_Wrap_Struct(0, 0, 0, (void *)&sha3));
rb_iv_set(cKeccak, "metadata", Data_Wrap_Struct(0, 0, 0, (void *)&keccak));
rb_define_method(cSHA3, "initialize", rb_sha3_initialize, -1);
rb_define_method(cSHA3, "digest_length", rb_sha3_digest_length, 0);
rb_define_method(cSHA3, "block_length", rb_sha3_block_length, 0);
rb_define_method(cSHA3, "finish", rb_sha3_finish, 0);
rb_define_method(cKeccak, "initialize", rb_keccak_initialize, -1);
rb_define_method(cKeccak, "digest_length", rb_keccak_digest_length, 0);
rb_define_method(cKeccak, "block_length", rb_keccak_block_length, 0);
rb_define_method(cKeccak, "finish", rb_keccak_finish, 0);
}

2
lib/digest/sha3/version.rb → lib/digest/keccak/version.rb
View File

@ -1,5 +1,5 @@
module Digest
class SHA3
class Keccak
module Version
STRING = "1.1.0"
end

4
test/generate_tests.rb
View File

@ -18,7 +18,7 @@ def generate
require 'test/unit'
class SHA3Tests < Test::Unit::TestCase
class KeccakTests < Test::Unit::TestCase
}
FILES.each do |path, hashlen|
@ -33,7 +33,7 @@ def generate
name = File.basename(path).split('.')[0]
puts %Q{
def test_#{name}_#{length}
inst = Digest::SHA3.new(#{hashlen})
inst = Digest::Keccak.new(#{hashlen})
inst.update(#{msg_raw.inspect})
assert_equal #{md.inspect}, inst.hexdigest
end

2
test/test_all.rb
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@ -1,5 +1,5 @@
$LOAD_PATH.unshift(File.expand_path("lib"))
$LOAD_PATH.unshift(File.expand_path("ext"))
require 'digest/sha3'
require 'digest/keccak'
require File.expand_path('test/test_usage')
require File.expand_path('test/test_vectors')

6
test/test_usage.rb
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@ -1,8 +1,8 @@
require 'test/unit'
class SHA3UsageTest < Test::Unit::TestCase
class KeccakUsageTest < Test::Unit::TestCase
def init(hashsize = 512)
@digest = Digest::SHA3.new(hashsize)
@digest = Digest::Keccak.new(hashsize)
end
def test_copy
@ -16,7 +16,7 @@ class SHA3UsageTest < Test::Unit::TestCase
def test_class_methods
assert_equal 'a9cab59eb40a10b246290f2d6086e32e3689faf1d26b470c899f2802',
Digest::SHA3.hexdigest("\xcc", 224)
Digest::Keccak.hexdigest("\xcc", 224)
end
def test_update