OpenSSL 4.0.0 is a feature release adding significant new functionality to OpenSSL. This release incorporates the following potentially significant or incompatible changes: Removed extra leading '00:' when printing key data such as an RSA modulus in hexadecimal format where the first (most significant) byte is >= 0x80. Standardized the width of hexadecimal dumps to 24 bytes for signatures (to stay within the 80 characters limit) and 16 bytes for everything else. Lower bounds checks are now enfor...