Skip to content
GitLab
Projects
Groups
Snippets
Help
Loading...
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
N
nettle
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Service Desk
Milestones
Merge Requests
0
Merge Requests
0
Operations
Operations
Incidents
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Brian Smith
nettle
Commits
609a8dae
Commit
609a8dae
authored
Mar 23, 2014
by
Joachim Strömbergson
Committed by
Niels Möller
Mar 23, 2014
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Support for 224-bit and 256-bit truncated sha512.
parent
7087e021
Changes
3
Hide whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
100 additions
and
1 deletion
+100
-1
ChangeLog
ChangeLog
+6
-1
sha2.h
sha2.h
+27
-0
sha512.c
sha512.c
+67
-0
No files found.
ChangeLog
View file @
609a8dae
2014-03-20 Niels Möller <nisse@lysator.liu.se>
From Joachim Strömbergson:
* sha512.c (K): Indentation fix.
* sha512.c (K): Indentation fix.
(sha512_224_init, sha512_224_digest, sha512_256_init)
(sha512_256_digest): New functions.
* sha2.h: Add prototypes.
(sha512_224_update, sha512_256_update): New aliases for
sha512_update.
2014-03-18 Niels Möller <nisse@lysator.liu.se>
...
...
sha2.h
View file @
609a8dae
...
...
@@ -43,6 +43,10 @@ extern "C" {
#define sha512_init nettle_sha512_init
#define sha512_update nettle_sha512_update
#define sha512_digest nettle_sha512_digest
#define sha512_224_init nettle_sha512_224_init
#define sha512_224_digest nettle_sha512_224_digest
#define sha512_256_init nettle_sha512_256_init
#define sha512_256_digest nettle_sha512_256_digest
/* SHA256 */
...
...
@@ -149,6 +153,29 @@ sha384_digest(struct sha512_ctx *ctx,
size_t
length
,
uint8_t
*
digest
);
/* SHA512_224 and SHA512_256, two truncated versions of SHA512
with different initial states. */
void
sha512_224_init
(
struct
sha512_ctx
*
ctx
);
#define sha512_224_update nettle_sha512_update
void
sha512_224_digest
(
struct
sha512_ctx
*
ctx
,
size_t
length
,
uint8_t
*
digest
);
void
sha512_256_init
(
struct
sha512_ctx
*
ctx
);
#define sha512_256_update nettle_sha512_update
void
sha512_256_digest
(
struct
sha512_ctx
*
ctx
,
size_t
length
,
uint8_t
*
digest
);
#ifdef __cplusplus
}
#endif
...
...
sha512.c
View file @
609a8dae
...
...
@@ -8,6 +8,7 @@
/* nettle, low-level cryptographics library
*
* Copyright (C) 2001, 2010 Niels Möller
* Copyright (C) 2014 Joachim Strömbergson
*
* The nettle library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
...
...
@@ -237,3 +238,69 @@ sha384_digest(struct sha512_ctx *ctx,
sha512_write_digest
(
ctx
,
length
,
digest
);
sha384_init
(
ctx
);
}
/* sha-512/224 variant. */
void
sha512_224_init
(
struct
sha512_ctx
*
ctx
)
{
static
const
uint64_t
H0
[
_SHA512_DIGEST_LENGTH
]
=
{
0x8c3d37c819544da2ULL
,
0x73e1996689dcd4d6ULL
,
0x1dfab7ae32ff9c82ULL
,
0x679dd514582f9fcfULL
,
0x0f6d2b697bd44da8ULL
,
0x77e36f7304c48942ULL
,
0x3f9d85a86a1d36c8ULL
,
0x1112e6ad91d692a1ULL
,
};
memcpy
(
ctx
->
state
,
H0
,
sizeof
(
H0
));
/* Initialize bit count */
ctx
->
count_low
=
ctx
->
count_high
=
0
;
/* Initialize buffer */
ctx
->
index
=
0
;
}
void
sha512_224_digest
(
struct
sha512_ctx
*
ctx
,
size_t
length
,
uint8_t
*
digest
)
{
assert
(
length
<=
SHA224_DIGEST_SIZE
);
sha512_write_digest
(
ctx
,
length
,
digest
);
sha512_224_init
(
ctx
);
}
/* sha-512/256 variant. */
void
sha512_256_init
(
struct
sha512_ctx
*
ctx
)
{
static
const
uint64_t
H0
[
_SHA512_DIGEST_LENGTH
]
=
{
0x22312194fc2bf72cULL
,
0x9f555fa3c84c64c2ULL
,
0x2393b86b6f53b151ULL
,
0x963877195940eabdULL
,
0x96283ee2a88effe3ULL
,
0xbe5e1e2553863992ULL
,
0x2b0199fc2c85b8aaULL
,
0x0eb72ddc81c52ca2ULL
,
};
memcpy
(
ctx
->
state
,
H0
,
sizeof
(
H0
));
/* Initialize bit count */
ctx
->
count_low
=
ctx
->
count_high
=
0
;
/* Initialize buffer */
ctx
->
index
=
0
;
}
void
sha512_256_digest
(
struct
sha512_ctx
*
ctx
,
size_t
length
,
uint8_t
*
digest
)
{
assert
(
length
<=
SHA256_DIGEST_SIZE
);
sha512_write_digest
(
ctx
,
length
,
digest
);
sha512_224_init
(
ctx
);
}
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
.
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment