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fd08b13528
time, consult the various hash prefs to pick a hash algorithm to use. Pass in a 160-bit hint if any of the signing keys are DSA. * keydb.h, pkclist.c (select_algo_from_prefs, algo_available): Pass a "hints" opaque pointer in to let the caller give hints as to what algorithms would be acceptable. The only current hint is for PREFTYPE_HASH to require a 160-bit hash for DSA. Change all callers in encode.c (encode_crypt, encrypt_filter) and sign.c (sign_file). If we settle on MD5 as the best algorithm based solely on recepient keys and SHA1 is also a possibility, use SHA1 unless the user intentionally chose MD5. This is as per 2440:13. * exec.c (make_tempdir): Fix duplicated filename problem.