algo_sha256.c File Reference

#include <rz_hash.h>
#include <rz_util/rz_assert.h>
#include "../algorithms/sha2/sha2.h"

Go to the source code of this file.

Functions
static void *	plugin_sha256_context_new ()
static void	plugin_sha256_context_free (void *context)
static RzHashSize	plugin_sha256_digest_size (void *context)
static RzHashSize	plugin_sha256_block_size (void *context)
static bool	plugin_sha256_init (void *context)
static bool	plugin_sha256_update (void *context, const ut8 *data, ut64 size)
static bool	plugin_sha256_final (void *context, ut8 *digest)
static bool	plugin_sha256_small_block (const ut8 *data, ut64 size, ut8 **digest, RzHashSize *digest_size)

Variables
RzHashPlugin	rz_hash_plugin_sha256
RZ_API RzLibStruct	rizin_plugin

Function Documentation

plugin_sha256_block_size()

static RzHashSize plugin_sha256_block_size ( void *  context )

static

Definition at line 34 of file algo_sha256.c.

                                                          {
    return SHA256_BLOCK_LENGTH;
}

References SHA256_BLOCK_LENGTH.

plugin_sha256_context_free()

static void plugin_sha256_context_free ( void *  context )

static

Definition at line 26 of file algo_sha256.c.

                                                      {
    free(context);
}

References free().

plugin_sha256_context_new()

static void* plugin_sha256_context_new ( )

static

Use Rizin implementation, not OpenSSL lib

Definition at line 22 of file algo_sha256.c.

                                         {
    return RZ_NEW0(RZ_SHA256_CTX);
}

References RZ_NEW0.

plugin_sha256_digest_size()

static RzHashSize plugin_sha256_digest_size ( void *  context )

static

Definition at line 30 of file algo_sha256.c.

                                                           {
    return SHA256_DIGEST_LENGTH;
}

References SHA256_DIGEST_LENGTH.

plugin_sha256_final()

static bool plugin_sha256_final ( void *  context, ut8 *  digest  )

static

Definition at line 52 of file algo_sha256.c.

                                                            {
    rz_return_val_if_fail(context && digest, false);
 
    SHA256_Final(digest, (RZ_SHA256_CTX *)context);
    return true;
}

References rz_return_val_if_fail, and SHA256_Final().

plugin_sha256_init()

static bool plugin_sha256_init ( void *  context )

static

Definition at line 38 of file algo_sha256.c.

                                              {
    rz_return_val_if_fail(context, false);
 
    SHA256_Init((RZ_SHA256_CTX *)context);
    return true;
}

References rz_return_val_if_fail, and SHA256_Init().

plugin_sha256_small_block()

static bool plugin_sha256_small_block ( const ut8 *  data, ut64  size, ut8 **  digest, RzHashSize *  digest_size  )

static

Definition at line 59 of file algo_sha256.c.

                                                                                                         {
    rz_return_val_if_fail(data && digest, false);
    ut8 *dgst = malloc(SHA256_DIGEST_LENGTH);
    if (!dgst) {
        return false;
    }
 
    RZ_SHA256_CTX ctx;
    SHA256_Init(&ctx);
    SHA256_Update(&ctx, data, size);
    SHA256_Final(dgst, &ctx);
 
    *digest = dgst;
    if (digest_size) {
        *digest_size = SHA256_DIGEST_LENGTH;
    }
    return true;
}

References malloc(), rz_return_val_if_fail, SHA256_DIGEST_LENGTH, SHA256_Final(), SHA256_Init(), and SHA256_Update().

plugin_sha256_update()

static bool plugin_sha256_update ( void *  context, const ut8 *  data, ut64  size  )

static

Definition at line 45 of file algo_sha256.c.

                                                                            {
    rz_return_val_if_fail(context && data, false);
 
    SHA256_Update((RZ_SHA256_CTX *)context, data, size);
    return true;
}

References rz_return_val_if_fail, and SHA256_Update().

Variable Documentation

rizin_plugin

RZ_API RzLibStruct rizin_plugin

Initial value:

= {
    .type = RZ_LIB_TYPE_HASH,
    .data = &rz_hash_plugin_sha256,
    .version = RZ_VERSION
}

Definition at line 96 of file algo_sha256.c.

rz_hash_plugin_sha256

RzHashPlugin rz_hash_plugin_sha256

Initial value:

= {
    .name = "sha256",
    .author = "Aaron D. Gifford",
    .license = "BSD-3",
    .support_hmac = true,
    .context_new = plugin_sha256_context_new,
    .context_free = plugin_sha256_context_free,
    .digest_size = plugin_sha256_digest_size,
    .block_size = plugin_sha256_block_size,
    .init = plugin_sha256_init,
    .update = plugin_sha256_update,
    .final = plugin_sha256_final,
    .small_block = plugin_sha256_small_block,
}

Definition at line 78 of file algo_sha256.c.