It's a relatively new algorithm, however, and should probably be
approached with an open-minded caution.
.TP
-.B sha256 ", " sha384 " and " sha512
+.BR sha256 ", " sha384 " and " sha512
Designed by the US National Security Agency to provide security
commensurate with the Advanced Encryption Standard, these hash functions
provide long outputs. SHA-256 is fairly quick, though the longer