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-rw-r--r--libhashsum_init_rawshake_hasher.313
1 files changed, 12 insertions, 1 deletions
diff --git a/libhashsum_init_rawshake_hasher.3 b/libhashsum_init_rawshake_hasher.3
index ac93630..1c73e5b 100644
--- a/libhashsum_init_rawshake_hasher.3
+++ b/libhashsum_init_rawshake_hasher.3
@@ -15,6 +15,7 @@ libhashsum_init_rawshake_hasher - initialise state for RawSHAKE hashing
unsigned char \fIsupports_non_whole_bytes\fP;
unsigned char \fIstandard_partial_byte_input_encoding\fP;
unsigned char \fIstandard_partial_byte_output_encoding\fP;
+ unsigned char \fIhash_excess_bits\fP;
size_t (*\fIprocess\fP)(struct libhashsum_hasher *\fPthis\fP, const void *\fPdata\fP, size_t \fPbytes\fP);
int (*\fIfinalise_const\fP)(struct libhashsum_hasher *\fPthis\fP, const void *\fPdata\fP, size_t \fPbytes\fP, unsigned \fPextra_bits\fP);
int (*\fIfinalise\fP)(struct libhashsum_hasher *\fPthis\fP, void *\fPdata\fP, size_t \fPbytes\fP, unsigned \fPextra_bits\fP, size_t \fPsize\fP);
@@ -83,7 +84,17 @@ will be set to the block size, in bytes.
.PP
.I hasher->hash_size
will be set to the hash size, in bytes
-.RI ( (hashbits?hashbits:hcapbits)/8 ).
+.RI ( ((hashbits?hashbits:hcapbits)+7)/8 ).
+.PP
+.I hasher->hash_excess_bits
+will be set to number of bits the last byte in
+the hash is padded with (it will be padded with
+cleared bits in its most significant part). As
+long as
+.I hashbits
+is a multiple of 8, this number will be 0 (the
+entire last byte is used), otherwise, it will be
+.IR 8-(hashbits&7) .
.PP
.I hasher->hash_output
will be set to