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31ecaca2
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2021-09-30T08:11:40
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hash: hash functions operate on byte arrays not git_oids
Separate the concerns of the hash functions from the git_oid functions.
The git_oid structure will need to understand either SHA1 or SHA256; the
hash functions should only deal with the appropriate one of these.
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379c4646
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2021-09-09T19:49:04
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Fix coding style for pointer
Make some syntax change to follow coding style.
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727d903a
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2021-08-18T21:01:36
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sha1dc: remove conditional for <sys/types.h>
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c1aca3fe
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2021-07-06T23:25:13
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Initial pass at using int64_t instead of long long
Even on systems without C99 where long long and stdint are both
missing, we can shim stdint and point it to any compiler-specific
type (i.e long long, _int64, etc.).
Also next is constant suffixes and determining what needs to
include stdint.
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3ff56dae
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2020-11-21T23:35:09
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hash: use GIT_ASSERT
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e316b0d3
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2020-05-15T11:47:09
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runtime: move init/shutdown into the "runtime"
Provide a mechanism for system components to register for initialization
and shutdown of the libgit2 runtime.
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7574564e
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2019-07-18T13:40:34
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sha1: win32: fix compilation due to unknown type
In commit bbf034ab9 (hash: move `git_hash_prov` into Win32 backend,
2019-02-22), the `git_hash_prov`'s structure name has been removed in
favour of its typedef'ed name. But as we have no CI that compiles with
the WinHTTPS hashing backend right now, it wasn't noticed that the
implementation that uses this struct wasn't changed correctly.
Fix the struct type to make it compile again.
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8832172e
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2019-02-22T14:32:40
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hash: move SHA1 implementations to its own hashing context
Create a separate `git_hash_sha1_ctx` structure that is specific
to the SHA1 implementation and move all SHA1 functions over to
use that one instead of the generic `git_hash_ctx`. The
`git_hash_ctx` for now simply has a union containing this single
SHA1 implementation, only, without any mechanism to distinguish
between different algortihms.
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d46d3b53
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2019-04-05T10:59:46
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hash: split into generic and SHA1-specific interface
As a preparatory step to allow multiple hashing APIs to exist at
the same time, split the hashing functions into one layer for generic
hashing and one layer for SHA1-specific hashing. Right now, this is
simply an additional indirection layer that doesn't yet serve any
purpose. In the future, the generic API will be extended to allow for
choosing which hash to use, though, by simply passing an enum to the
hash context initialization function. This is necessary as a first step
to be ready for Git's move to SHA256.
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fda20622
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2019-06-14T14:22:19
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hash: move SHA1 implementations into 'sha1/' folder
As we will include additional hash algorithms in the future due
to upstream git discussing a move away from SHA1, we should
accomodate for that and prepare for the move. As a first step,
move all SHA1 implementations into a common subdirectory.
Also, create a SHA1-specific header file that lives inside the
hash folder. This header will contain the SHA1-specific header
includes, function declarations and the SHA1 context structure.
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bd48bf3f
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2019-06-14T14:21:32
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hash: introduce source files to break include circles
The hash source files have circular include dependencies right
now, which shows by our broken generic hash implementation. The
"hash.h" header declares two functions and the `git_hash_ctx`
typedef before actually including the hash backend header and can
only declare the remaining hash functions after the include due
to possibly static function declarations inside of the
implementation includes.
Let's break this cycle and help maintainability by creating a
real implementation file for each of the hash implementations.
Instead of relying on the exact include order, we now especially
avoid the use of `GIT_INLINE` for function declarations.
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bbf034ab
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2019-02-22T13:43:16
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hash: move `git_hash_prov` into Win32 backend
The structure `git_hash_prov` is only ever used by the Win32 SHA1
backend. As such, it doesn't make much sense to expose it via the
generic "hash.h" header, as it is an implementation detail of the Win32
backend only. Move the typedef of `git_hash_prov` into
"hash/sha1/win32.h" to fix this.
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230a451e
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2019-06-10T13:54:11
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sha1dc: update to fix endianess issues on AIX/HP-UX
Update our copy of sha1dc to the upstream commit 855827c (Detect
endianess on HP-UX, 2019-05-09). Changes include fixes to endian
detection on AIX and HP-UX systems as well as a define that
allows us to force aligned access, which we're not using yet.
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e5aecaf6
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2019-04-04T18:45:30
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sha1: don't inline `git_hash_global_init` for win32
Users of the Win32 hash cannot be inlined, as it uses a static struct.
Don't inline it, but continue to declare the function in the header.
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be9a386c
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2019-03-22T17:04:32
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Each hash implementation should define `git_hash_global_init`
This means the forward declaration isn't necessary. The forward
declaration can cause compilation errors as it conflicts with the
`GIT_INLINE` declaration (the signatures are different).
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f673e232
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2018-12-27T13:47:34
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git_error: use new names in internal APIs and usage
Move to the `git_error` name in the internal API for error-related
functions.
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03dc6480
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2019-01-02T09:27:44
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hash: convert `global_init` macros to real function
The `git_hash_global_init` function is simply defined as a macro to zero
for most of the different hash implementations. This makes it impossible
to treat it like a function pointer, which is required for a later
commit where we want to improve the way global initialization works.
Fix the issue by converting all no-op macros to an inline function
returning zero.
There's a small gotcha here, though: as most hash implementations only
have a header file, but not a corresponding implementation file, we
cannot declare the function as non-static. But declaring it as `static
inline` fails, too, as there is a previous declaration as non-static. So
we have to move the function declaration after the include that brings
in the function definition, as it is allowed to have a non-static
declaration after a static definition, but not the other way round.
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6c6be3ce
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2018-03-29T22:13:59
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mbedtls: use libmbedcrypto for hashing
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c9e5ba09
|
2018-03-28T17:37:39
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sha1dc: update to fix errors with endianess
This updates the version of SHA1DC to c3e1304ea3.
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178fda8a
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2018-02-09T17:55:18
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hash: win32: fix missing comma in `giterr_set`
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9985edb5
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2018-02-01T06:32:55
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hash: set error messages on failure
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abb04caa
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2018-02-01T15:55:48
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consistent header guards
use consistent names for the #include / #define header guard pattern.
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a223bae5
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2018-01-03T14:57:25
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Merge pull request #4437 from pks-t/pks/openssl-hash-errors
hash: openssl: check return values of SHA1_* functions
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75e1737a
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2017-12-08T10:10:19
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hash: openssl: check return values of SHA1_* functions
The OpenSSL functions `SHA1_Init`, `SHA1_Update` and `SHA1_Final` all
return 1 for success and 0 otherwise, but we never check their return
values. Do so.
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bdb54214
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2017-12-11T16:46:05
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hash: commoncrypto hash should support large files
Teach the CommonCrypto hash mechanisms to support large files. The hash
primitives take a `CC_LONG` (aka `uint32_t`) at a time. So loop to give
the hash function at most an unsigned 32 bit's worth of bytes until we
have hashed the entire file.
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a89560d5
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2017-12-10T17:26:43
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hash: win32 hash mechanism should support large files
Teach the win32 hash mechanisms to support large files. The hash
primitives take at most `ULONG_MAX` bytes at a time. Loop, giving the
hash function the maximum supported number of bytes, until we have
hashed the entire file.
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0c7f49dd
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2017-06-30T13:39:01
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Make sure to always include "common.h" first
Next to including several files, our "common.h" header also declares
various macros which are then used throughout the project. As such, we
have to make sure to always include this file first in all
implementation files. Otherwise, we might encounter problems or even
silent behavioural differences due to macros or defines not being
defined as they should be. So in fact, our header and implementation
files should make sure to always include "common.h" first.
This commit does so by establishing a common include pattern. Header
files inside of "src" will now always include "common.h" as its first
other file, separated by a newline from all the other includes to make
it stand out as special. There are two cases for the implementation
files. If they do have a matching header file, they will always include
this one first, leading to "common.h" being transitively included as
first file. If they do not have a matching header file, they instead
include "common.h" as first file themselves.
This fixes the outlined problems and will become our standard practice
for header and source files inside of the "src/" from now on.
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63d86c27
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2017-06-07T14:50:16
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sha1dc: update to fix errors with endianess and unaligned access
This updates our version of SHA1DC to e139984 (Merge pull request #35
from lidl/master, 2017-05-30).
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d6729635
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2017-03-23T17:25:11
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sha1dc: `SHA1DCUpdate` now takes a `size_t`
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c9efa995
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2017-03-23T09:16:24
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sha1dc: perf improvements from upstream
Update SHA-1 collision detection code (cr-marcstevens/sha1collisiondetection)
to master to include performance improvements.
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2dfd1294
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2017-02-24T13:34:01
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hash: include sha1collisiondetection
Include the SHA1 collision attack detection library from
https://github.com/cr-marcstevens/sha1collisiondetection
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a2e4593e
|
2015-02-03T18:41:40
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hash_generic: __extension__ keyword for pedantry
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799e22ea
|
2014-10-23T17:34:41
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Rename git_threads_ to git_libgit2_
This describes their purpose better, as we now initialize ssl and some
other global stuff in there. Calling the init function is not something
which has been optional for a while now.
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d9c0dbb0
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2014-10-24T13:29:11
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hash: use CommonCrypto on OSX for SHA-1
OSX has its own cryptographic library, let's make use of it instead of
calling out to OpenSSL.
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a3aa5f4d
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2013-09-11T12:45:20
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Add simple global shutdown hooks
Increasingly there are a number of components that want to do some
cleanup at global shutdown time (at least if there are not going
to be memory leaks). This creates a very simple system of shutdown
hooks that will be invoked by git_threads_shutdown. Right now, the
maximum number of hooks is hardcoded, but since adding a hook is
not a public API, it should be fine and I thought it was better to
start off with really simple code.
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dbecec37
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2013-08-28T09:38:14
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Merge pull request #1805 from libgit2/threading-packed-load
Thread safety for the refdb_fs
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1ff3a094
|
2013-08-27T19:41:44
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Improve win32 version check, no ipv6 tests on XP
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43095341
|
2013-08-26T14:56:31
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Load SRWLock APIs at runtime
This loads SRWLock APIs at runtime and in their absence (i.e. on
Windows before Vista) falls back on a regular CRITICAL_SECTION
that will not permit concurrent readers.
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0cb16fe9
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2013-05-15T20:26:55
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Unify whitespaces to tabs
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8005c6d4
|
2013-02-26T01:03:56
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Revert "hash: remove git_hash_init from internal api"
This reverts commit efe7fad6c96a3d6197a218aeaa561ec676794499, except for
the indentation fixes.
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efe7fad6
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2013-02-26T00:05:28
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hash: remove git_hash_init from internal api
Along with that, fix indentation in tests-clar/object/raw/hash.c
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359fc2d2
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2013-01-08T17:07:25
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update copyrights
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8f09f464
|
2013-01-08T16:54:44
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remove ppc sha1 asm
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a8122b5d
|
2012-11-21T15:39:03
|
|
Fix warnings on Win64 build
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a8527429
|
2012-11-13T14:48:10
|
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unload dll / destroy hash ctxs at shutdown
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603bee07
|
2012-11-12T19:22:49
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Remove git_hash_ctx_new - callers now _ctx_init()
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7ebefd22
|
2012-11-13T10:10:40
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move hash library func ptrs to global global
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d6fb0924
|
2012-11-05T12:37:15
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Win32 CryptoAPI and CNG support for SHA1
|