FFmpeg
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Enumerations | |
enum | AVHMACType { AV_HMAC_MD5, AV_HMAC_SHA1, AV_HMAC_SHA224, AV_HMAC_SHA256, AV_HMAC_SHA384, AV_HMAC_SHA512 } |
Functions | |
AVHMAC * | av_hmac_alloc (enum AVHMACType type) |
Allocate an AVHMAC context. More... | |
void | av_hmac_free (AVHMAC *ctx) |
Free an AVHMAC context. More... | |
void | av_hmac_init (AVHMAC *ctx, const uint8_t *key, unsigned int keylen) |
Initialize an AVHMAC context with an authentication key. More... | |
void | av_hmac_update (AVHMAC *ctx, const uint8_t *data, unsigned int len) |
Hash data with the HMAC. More... | |
int | av_hmac_final (AVHMAC *ctx, uint8_t *out, unsigned int outlen) |
Finish hashing and output the HMAC digest. More... | |
int | av_hmac_calc (AVHMAC *ctx, const uint8_t *data, unsigned int len, const uint8_t *key, unsigned int keylen, uint8_t *out, unsigned int outlen) |
Hash an array of data with a key. More... | |
enum AVHMACType |
AVHMAC* av_hmac_alloc | ( | enum AVHMACType | type | ) |
Allocate an AVHMAC context.
type | The hash function used for the HMAC. |
Definition at line 68 of file hmac.c.
Referenced by ff_rtmp_calc_digest(), ff_srtp_set_crypto(), and main().
void av_hmac_free | ( | AVHMAC * | ctx | ) |
Free an AVHMAC context.
ctx | The context to free, may be NULL |
Definition at line 133 of file hmac.c.
Referenced by ff_rtmp_calc_digest(), ff_srtp_free(), and main().
void av_hmac_init | ( | AVHMAC * | ctx, |
const uint8_t * | key, | ||
unsigned int | keylen | ||
) |
Initialize an AVHMAC context with an authentication key.
ctx | The HMAC context |
key | The authentication key |
keylen | The length of the key, in bytes |
Definition at line 141 of file hmac.c.
Referenced by av_hmac_calc(), ff_rtmp_calc_digest(), ff_srtp_decrypt(), and ff_srtp_encrypt().
void av_hmac_update | ( | AVHMAC * | ctx, |
const uint8_t * | data, | ||
unsigned int | len | ||
) |
Hash data with the HMAC.
ctx | The HMAC context |
data | The data to hash |
len | The length of the data, in bytes |
Definition at line 162 of file hmac.c.
Referenced by av_hmac_calc(), ff_rtmp_calc_digest(), ff_srtp_decrypt(), and ff_srtp_encrypt().
int av_hmac_final | ( | AVHMAC * | ctx, |
uint8_t * | out, | ||
unsigned int | outlen | ||
) |
Finish hashing and output the HMAC digest.
ctx | The HMAC context |
out | The output buffer to write the digest into |
outlen | The length of the out buffer, in bytes |
Definition at line 167 of file hmac.c.
Referenced by av_hmac_calc(), ff_rtmp_calc_digest(), ff_srtp_decrypt(), and ff_srtp_encrypt().
int av_hmac_calc | ( | AVHMAC * | ctx, |
const uint8_t * | data, | ||
unsigned int | len, | ||
const uint8_t * | key, | ||
unsigned int | keylen, | ||
uint8_t * | out, | ||
unsigned int | outlen | ||
) |
Hash an array of data with a key.
ctx | The HMAC context |
data | The data to hash |
len | The length of the data, in bytes |
key | The authentication key |
keylen | The length of the key, in bytes |
out | The output buffer to write the digest into |
outlen | The length of the out buffer, in bytes |
Definition at line 185 of file hmac.c.
Referenced by test().