Thanks folks, I had completely missed those.

By the way: a little grep shows -pss_saltlen is not as-is in the 0.9.9
HEAD but all it's features (including special saltlens -1 and -2) are
available through yet another -sigopt:
  -sigopt rsa_pss_saltlen:N
where N is the saltlen value

snip from code:
        /*
         * Negative sLen has special meanings:
         *      -1      sLen == hLen
         *      -2      salt length is maximized
         *      -N      reserved
         */
0.9.8 source code has these #define's for them, 0.9.9 does not (but
that doesn't matter for the functionality):
/*
saltlen == EVP_MD_CTX_FLAG_PSS_MDLEN  ~  -1
saltlen == EVP_MD_CTX_FLAG_PSS_MREC   ~  -2
*/


-- 
Met vriendelijke groeten / Best regards,

Ger Hobbelt

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