FFmpeg: Blowfish

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Data Structures | Macros | Functions

Blowfish

Crypto and Hashing

Data Structures

struct AVBlowfish

Macros

#define AV_BF_ROUNDS 16

Functions

void av_blowfish_init (struct AVBlowfish *ctx, const uint8_t *key, int key_len)

Initialize an AVBlowfish context.

void av_blowfish_crypt_ecb (struct AVBlowfish *ctx, uint32_t *xl, uint32_t *xr, int decrypt)

Encrypt or decrypt a buffer using a previously initialized context.

void av_blowfish_crypt (struct 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.

Detailed Description

Macro Definition Documentation

#define AV_BF_ROUNDS 16

Definition at line 33 of file blowfish.h.

Referenced by av_blowfish_crypt_ecb(), and av_blowfish_init().

Function Documentation

void av_blowfish_init ( struct AVBlowfish * ctx,

const uint8_t * key,

int key_len

)

Initialize an AVBlowfish context.

Parameters: ctx an AVBlowfish context

key a key

key_len length of the key

Definition at line 304 of file blowfish.c.

Referenced by rtmpe9_sig().

void av_blowfish_crypt_ecb ( struct AVBlowfish * ctx,

uint32_t * xl,

uint32_t * xr,

int decrypt

)

Encrypt or decrypt a buffer using a previously initialized context.

Parameters: ctx an AVBlowfish context

xl left four bytes halves of input to be encrypted

xr right four bytes halves of input to be encrypted

decrypt 0 for encryption, 1 for decryption

Definition at line 339 of file blowfish.c.

Referenced by av_blowfish_crypt(), av_blowfish_init(), and rtmpe9_sig().

void av_blowfish_crypt ( struct 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.

Parameters: ctx an AVBlowfish context

dst destination array, can be equal to src

src source array, can be equal to dst

count number of 8 byte blocks

iv initialization vector for CBC mode, if NULL ECB will be used

decrypt 0 for encryption, 1 for decryption

Definition at line 370 of file blowfish.c.

Generated on Sat May 25 2013 03:59:05 for FFmpeg by doxygen 1.8.2