ims-volte-vowifi
/
strongswan
9
0
Fork 0
Code Pull Requests Releases Activity

- doc 

- reseting when result fetched
This commit is contained in:
Martin Willi 2005-11-21 18:07:10 +00:00
parent 3e075ba1ed
commit 3e13b35a49
1 changed files with 18 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
Source/charon/transforms/hashers/hasher_sha1.c
View File

@ -31,7 +31,9 @@
#define BLOCK_SIZE_SHA1 20
/*
* ugly macro stuff
*/
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
#if BYTE_ORDER == LITTLE_ENDIAN
@ -50,6 +52,10 @@
#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
/**
* private data structure with hasing context
*/
typedef struct private_hasher_sha1_s private_hasher_sha1_t;
struct private_hasher_sha1_s {
@ -58,13 +64,17 @@ struct private_hasher_sha1_s {
*/
hasher_sha1_t public;
/*
* state of the hasher
*/
u_int32_t state[5];
u_int32_t count[2];
u_int8_t buffer[64];
};
/* Hash a single 512-bit block. This is the core of the algorithm. */
/*
* Hash a single 512-bit block. This is the core of the algorithm. *
*/
void SHA1Transform(u_int32_t state[5], const unsigned char buffer[64])
{
u_int32_t a, b, c, d, e;
@ -113,7 +123,9 @@ void SHA1Transform(u_int32_t state[5], const unsigned char buffer[64])
memset(block, '\0', sizeof(block));
}
/* Run your data through this. */
/*
* Run your data through this.
*/
void SHA1Update(private_hasher_sha1_t* this, u_int8_t *data, u_int32_t len)
{
u_int32_t i;
@ -182,6 +194,7 @@ static status_t get_hash(private_hasher_sha1_t *this, chunk_t chunk, u_int8_t *b
if (buffer != NULL)
{
SHA1Final(this, buffer);
this->public.hasher_interface.reset(&(this->public.hasher_interface));
}
return SUCCESS;
}
@ -204,6 +217,7 @@ static status_t allocate_hash(private_hasher_sha1_t *this, chunk_t chunk, chunk_
if (hash != NULL)
{
SHA1Final(this, allocated_hash.ptr);
this->public.hasher_interface.reset(&(this->public.hasher_interface));
}
*hash = allocated_hash;