2013.01.17 11:30:40 (291855049741721600) from Daniel J. Bernstein, replying to "Matthew Green (@matthew_d_green)" (291774964502237184):
@matthew_d_green There's a 64-bit block counter, with 512 bits of output per block. That's 2^70 bytes.
2013.01.17 06:12:27 (291774964502237184) from "Matthew Green (@matthew_d_green)":
@hashbreaker Is Salsa20's maximum output length 2^70 bits (per ECRYPT) or 2^70 bytes (per spec)? We have some long messages here...