FFmpeg
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Data Structures | |
struct | AVRC4 |
Functions | |
AVRC4 * | av_rc4_alloc (void) |
Allocate an AVRC4 context. More... | |
int | av_rc4_init (struct AVRC4 *d, const uint8_t *key, int key_bits, int decrypt) |
Initializes an AVRC4 context. More... | |
void | av_rc4_crypt (struct AVRC4 *d, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt) |
Encrypts / decrypts using the RC4 algorithm. More... | |
AVRC4* av_rc4_alloc | ( | void | ) |
Allocate an AVRC4 context.
Definition at line 29 of file rc4.c.
Referenced by ff_asfcrypt_dec(), and run_lavu_rc4().
int av_rc4_init | ( | struct AVRC4 * | d, |
const uint8_t * | key, | ||
int | key_bits, | ||
int | decrypt | ||
) |
Initializes an AVRC4 context.
d | pointer to the AVRC4 context |
key | buffer containig the key |
key_bits | must be a multiple of 8 |
decrypt | 0 for encryption, 1 for decryption, currently has no effect |
Definition at line 34 of file rc4.c.
Referenced by ff_asfcrypt_dec(), ff_rtmpe_compute_secret_key(), and run_lavu_rc4().
void av_rc4_crypt | ( | struct AVRC4 * | d, |
uint8_t * | dst, | ||
const uint8_t * | src, | ||
int | count, | ||
uint8_t * | iv, | ||
int | decrypt | ||
) |
Encrypts / decrypts using the RC4 algorithm.
d | pointer to the AVRC4 context |
count | number of bytes |
dst | destination array, can be equal to src |
src | source array, can be equal to dst, may be NULL |
iv | not (yet) used for RC4, should be NULL |
decrypt | 0 for encryption, 1 for decryption, not (yet) used |
Definition at line 55 of file rc4.c.
Referenced by ff_asfcrypt_dec(), ff_rtmpe_update_keystream(), rtmpe_read(), rtmpe_write(), and run_lavu_rc4().