Which is the license of XXX?
LibreSSL
The initial release of LibreSSL has removed a number of features that were deemed insecure, unnecessary or deprecated as part of OpenBSD 5.6 In response to Heartbleed, the heartbeat functionality was the one of the first features to be removed Unneeded platforms (Classic Mac OS, NetWare, OS/2, VMS, 16-bit Windows, etc.) Support for old compilers The IBM 4758, Broadcom ubsec, Sureware, Nuron, GOST, GMP, CSwift, CHIL, CAPI, Atalla and AEP engines were removed due to irrelevance of hardware or dependency on non-free libraries The OpenSSL PRNG was removed (and replaced with arc4random) Preprocessor macros that have been deemed unnecessary or insecure or were already deprecated in OpenSSL for a long time (e.g. des_old.h) Older unneeded files for assembly language, C, and Perl (e.g. EGD) MD2, SEED functionality SSLv3, SHA-0, DTLS1_BAD_VER The Dual_EC_DRBG algorithm, which is suspected of having a back door, was cut along with support for the FIPS 140-2 standard that required it.