
The macro for "block-size" is OSSL_MAC_PARAM_BLOCK_SIZE, and this parameter is not settable. Refer to the "customization string" rather than the "custom value" (in the Blake2 spec, this is called the personalization string). Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/22763)
OpenSSL Documentation
README.md This file
fingerprints.txt PGP fingerprints of authorised release signers
standards.txt standards.txt Moved to the web, https://www.openssl.org/docs/standards.html
HOWTO/ A few how-to documents; not necessarily up-to-date
man1/ The openssl command-line tools; start with openssl.pod
man3/ The SSL library and the crypto library
man5/ File formats
man7/ Overviews; start with crypto.pod and ssl.pod, for example Algorithm specific EVP_PKEY documentation.
Formatted versions of the manpages (apps,ssl,crypto) can be found at https://www.openssl.org/docs/manpages.html