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I would like to know how is $r$ from Poly1305 represented in the poly1305_state structure? It is stored in 5 uint32's: r[0], r[1], r[2], r[3], r[4], but what is the format? Is it a little-endian in some base? Perhaps in the base of 0x3ffffff? Does it mean that r[0] is the value of r mod 0x3ffffff?
The main reason for this is to be able to check if $r$ is too small in which case I want to choose another one.
The text was updated successfully, but these errors were encountered:
I would like to know how is$r$ from Poly1305 represented in the
poly1305_state
structure? It is stored in 5uint32
's:r[0]
,r[1]
,r[2]
,r[3]
,r[4]
, but what is the format? Is it a little-endian in some base? Perhaps in the base of0x3ffffff
? Does it mean thatr[0]
is the value ofr
mod0x3ffffff
?The main reason for this is to be able to check if$r$ is too small in which case I want to choose another one.
The text was updated successfully, but these errors were encountered: