SHA256Transform
MAKE_CLONE(SHA224Transform, SHA256Transform);
DEF_WEAK(SHA256Transform);
SHA256Transform(context->state.st32, context->buffer);
SHA256Transform(context->state.st32, data);
SHA256Transform(context->state.st32, context->buffer);
SHA256Transform(context->state.st32, context->buffer);
void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]);
SHA256Transform(H, (const uint8_t *)buf + i);
SHA256Transform(H, pad + i);