st64
memcpy(context->state.st64, sha512_initial_hash_value,
SHA512Transform(context->state.st64, context->buffer);
SHA512Transform(context->state.st64, data);
SHA512Transform(context->state.st64, context->buffer);
SHA512Transform(context->state.st64, context->buffer);
context->state.st64[j] = swap64(context->state.st64[j]);
memcpy(digest, context->state.st64, SHA512_DIGEST_LENGTH);
memcpy(context->state.st64, sha384_initial_hash_value,
context->state.st64[j] = swap64(context->state.st64[j]);
memcpy(digest, context->state.st64, SHA384_DIGEST_LENGTH);
u_int64_t st64[8];