Since version 2013.56, dropbear has supported the hmac-sha2-256 and hmac-sha2-512 MAC algorithms, but they are disabled by default. According to the dropbear changelog, enabling them is a matter of uncommenting the following two lines in options.h:
Due to recent NSA revelations, some people are recommending users disable certain algorithms. If the recommendations at <https://stribika.github.io/2015/01/04/secure-secure-shell.html> are followed, there are no MAC algorithms left that dropbear supports unless hmac-sha2-256 and hmac-sha2-512 are enabled.
Since version 2013.56, dropbear has supported the hmac-sha2-256 and hmac-sha2-512 MAC algorithms, but they are disabled by default. According to the dropbear changelog, enabling them is a matter of uncommenting the following two lines in options.h:
/*#define DROPBEAR_ SHA2_256_ HMAC*/ SHA2_512_ HMAC*/
/*#define DROPBEAR_
Due to recent NSA revelations, some people are recommending users disable certain algorithms. If the recommendations at <https:/ /stribika. github. io/2015/ 01/04/secure- secure- shell.html> are followed, there are no MAC algorithms left that dropbear supports unless hmac-sha2-256 and hmac-sha2-512 are enabled.