R Under development (unstable) (2024-06-24 r86823 ucrt) -- "Unsuffered Consequences"
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> ## Verify 'digest' output
> 
> suppressMessages(library(filehash))
> suppressMessages(library(digest))
> 
> x <- 1:100
> bytes <- serialize(x, NULL)
> digest(bytes, algo = "sha1", skip = 14L, serialize = FALSE)
[1] "d123cdcc2f8a32db324c172eb790b04907a9ed1d"
> 
> filehash:::sha1(x)
[1] "d123cdcc2f8a32db324c172eb790b04907a9ed1d"
> 
> 
> proc.time()
   user  system elapsed 
   0.26    0.10    0.37