xor.c File Reference

#include "xor.h"
#include <rz_util.h>

Go to the source code of this file.

Functions
bool	rz_xor8_init (RzXor8 *ctx)
bool	rz_xor8_update (RzXor8 *ctx, const ut8 *data, size_t len)
bool	rz_xor8_final (ut8 *digest, RzXor8 *ctx)
bool	rz_xor16_init (RzXor16 *ctx)
bool	rz_xor16_update (RzXor16 *ctx, const ut8 *data, size_t len)
bool	rz_xor16_final (ut8 *digest, RzXor16 *ctx)

Function Documentation

rz_xor16_final()

bool rz_xor16_final	(	ut8 *	digest,
		RzXor16 *	ctx
	)

Definition at line 49 of file xor.c.

                                               {
    rz_return_val_if_fail(digest && ctx, false);
    rz_write_le16(digest, *ctx);
    return true;
}

References rz_return_val_if_fail, and rz_write_le16().

Referenced by plugin_xor16_final(), and plugin_xor16_small_block().

rz_xor16_init()

bool rz_xor16_init

(

RzXor16 *

ctx

)

Definition at line 29 of file xor.c.

                                 {
    rz_return_val_if_fail(ctx, false);
    *ctx = 0;
    return true;
}

References rz_return_val_if_fail.

Referenced by plugin_xor16_init(), and plugin_xor16_small_block().

rz_xor16_update()

bool rz_xor16_update	(	RzXor16 *	ctx,
		const ut8 *	data,
		size_t	len
	)

Definition at line 35 of file xor.c.

                                                                {
    rz_return_val_if_fail(ctx && data, false);
    ut16 value = *ctx;
    for (size_t i = 0; i < len; i += sizeof(ut16)) {
        if (len - i > sizeof(ut16)) {
            value ^= rz_read_at_le16(data, i);
        } else {
            value ^= (((ut16)data[i]) << 8);
        }
    }
    *ctx = value;
    return true;
}

References i, len, rz_read_at_le16(), rz_return_val_if_fail, and value.

Referenced by plugin_xor16_small_block(), and plugin_xor16_update().

rz_xor8_final()

bool rz_xor8_final	(	ut8 *	digest,
		RzXor8 *	ctx
	)

Definition at line 23 of file xor.c.

                                             {
    rz_return_val_if_fail(digest && ctx, false);
    *digest = *ctx;
    return true;
}

References rz_return_val_if_fail.

Referenced by plugin_xor8_final(), and plugin_xor8_small_block().

rz_xor8_init()

bool rz_xor8_init

(

RzXor8 *

ctx

)

Definition at line 7 of file xor.c.

                               {
    rz_return_val_if_fail(ctx, false);
    *ctx = 0;
    return true;
}

References rz_return_val_if_fail.

Referenced by plugin_xor8_init(), and plugin_xor8_small_block().

rz_xor8_update()

bool rz_xor8_update	(	RzXor8 *	ctx,
		const ut8 *	data,
		size_t	len
	)

Definition at line 13 of file xor.c.

                                                              {
    rz_return_val_if_fail(ctx && data, false);
    ut8 value = *ctx;
    for (size_t i = 0; i < len; ++i) {
        value ^= data[i];
    }
    *ctx = value;
    return true;
}

References i, len, rz_return_val_if_fail, and value.

Referenced by plugin_xor8_small_block(), and plugin_xor8_update().