define FILTERS

<source>
algo_filt.cpp
basefilt.cpp
buf_filt.cpp
data_snk.cpp
data_src.cpp
filter.cpp
out_buf.cpp
pipe.cpp
pipe_io.cpp
pipe_rw.cpp
secqueue.cpp
</source>

<header:public>
basefilt.h
buf_filt.h
data_snk.h
data_src.h
filter.h
filters.h
key_filt.h
pbe.h
pipe.h
secqueue.h
</header:public>

<header:internal>
out_buf.h
</header:internal>

<requires>
alloc
asn1
block
hash
libstate
mac
rng
stream
sym_algo
</requires>