libavutil/blowfish.c File Reference

#include "libavutil/intreadwrite.h"
#include "avutil.h"
#include "common.h"
#include "blowfish.h"

Go to the source code of this file.

Defines
#define	F(Xl, Xr, P)
Functions
av_cold void	av_blowfish_init (AVBlowfish *ctx, const uint8_t *key, int key_len)
	Initialize an AVBlowfish context.
void	av_blowfish_crypt_ecb (AVBlowfish *ctx, uint32_t *xl, uint32_t *xr, int decrypt)
	Encrypt or decrypt a buffer using a previously initialized context.
void	av_blowfish_crypt (AVBlowfish *ctx, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt)
	Encrypt or decrypt a buffer using a previously initialized context.
Variables
static const uint32_t	orig_p [AV_BF_ROUNDS+2]
static const uint32_t	orig_s [4][256]

---

Define Documentation

#define F	(	Xl,
		Xr,
		P		)

Value:

Xr ^=((( ctx->s[0][ Xl >> 24        ] \
           + ctx->s[1][(Xl >> 16) & 0xFF])\
           ^ ctx->s[2][(Xl >>  8) & 0xFF])\
           + ctx->s[3][ Xl        & 0xFF])\
           ^ P;

Definition at line 297 of file blowfish.c.

---

Variable Documentation

const uint32_t orig_p[AV_BF_ROUNDS+2] [static]

Initial value:

 {
    0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344,
    0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89,
    0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C,
    0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917,
    0x9216D5D9, 0x8979FB1B
}

Definition at line 30 of file blowfish.c.

Referenced by av_blowfish_init().

const uint32_t orig_s[4][256] [static]

Definition at line 38 of file blowfish.c.

Referenced by av_blowfish_init().