uint64_t count; ///< number of bytes in buffer
uint8_t buffer[64]; ///< 512-bit buffer of input values used in hash updating
uint32_t state[8]; ///< current hash value
+ /** function used to update hash for 512-bit input block */
+ void (*transform)(uint32_t *state, const uint8_t buffer[64]);
} AVSHA1;
const int av_sha1_size = sizeof(AVSHA1);
ctx->state[2] = 0x98BADCFE;
ctx->state[3] = 0x10325476;
ctx->state[4] = 0xC3D2E1F0;
+ ctx->transform = transform;
ctx->count = 0;
}
for (i = 0; i < len; i++) {
ctx->buffer[j++] = data[i];
if (64 == j) {
- transform(ctx->state, ctx->buffer);
+ ctx->transform(ctx->state, ctx->buffer);
j = 0;
}
}
#else
if ((j + len) > 63) {
memcpy(&ctx->buffer[j], data, (i = 64 - j));
- transform(ctx->state, ctx->buffer);
+ ctx->transform(ctx->state, ctx->buffer);
for (; i + 63 < len; i += 64)
- transform(ctx->state, &data[i]);
+ ctx->transform(ctx->state, &data[i]);
j = 0;
} else
i = 0;