linux - How to specify libcurl SFTP hmac option -

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i have version of libcurl compiled libssh2 (fairly recent versions, openssl v1.0.2 , libssh2 v1.4.3) supports uploading/downloading files sftp. have limited experience ssh , sftp know on linux there additional options can specified sftp command such mac (message authentication code). simple connect can this:

sftp -ociphers=... -omacs=... myuser@myhost

the above command works. here 1 reference found. however, need same thing using libcurl can test on windows. need test different cipher/mac combinations, example 3des-cbc or aes128-cbc ciphers hmac-md5 or hmac-sha1.

does libcurl sftp support specifying hmac option? , if how tell use?

i got on libcurl , libssh2 mailing lists , asked question , told option looking not exist in libssh2 , therefore not exist in libcurl. libssh2 compiled support particular hmac ciphers (like md5 or sha1). so, compiling different versions of libssh2 library targeted specific hmac cipher looks way need do.


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