Secret message

(1 row)

-- check corner case involving an input string of 16kB, as per bug #16476.

SELECT setseed(0);

setseed

---------

(1 row)

WITH random_string AS

(

-- This generates a random string of 16366 bytes. This is chosen

-- as random so that it does not get compressed, and the decompression

-- would work on a string with the same length as the origin, making the

-- test behavior more predictible. lpad() ensures that the generated

-- hexadecimal value is completed by extra zero characters if random()

-- has generated a value strictly lower than 16.

SELECT string_agg(decode(lpad(to_hex((random()*256)::int), 2, '0'), 'hex'), '') as bytes

FROM generate_series(0, 16365)

)

SELECT bytes =

pgp_sym_decrypt_bytea(

pgp_sym_encrypt_bytea(bytes, 'key',

'compress-algo=1,compress-level=1'),

'key', 'expect-compress-algo=1')

AS is_same

FROM random_string;

is_same

---------

t

(1 row)

dec->buf_data=dec->buf_len-dec->stream.avail_out;

if (res==Z_STREAM_END)

{

uint8*tmp;

res=pullf_read(src,1,&tmp);

if (res<0)

returnres;

elseif (res>0)

{

px_debug("decompress_read: extra bytes after end of stream");

returnPXE_PGP_CORRUPT_DATA;

}

dec->eof=1;

}

gotorestart;

}

pgp_sym_encrypt('Secret message','key',

'compress-algo=2, compress-level=0'),

'key','expect-compress-algo=0');

SELECT setseed(0);

WITH random_stringAS

(

SELECT string_agg(decode(lpad(to_hex((random()*256)::int),2,'0'),'hex'),'')as bytes

FROM generate_series(0,16365)

)

SELECT bytes=

pgp_sym_decrypt_bytea(

pgp_sym_encrypt_bytea(bytes,'key',

'compress-algo=1,compress-level=1'),

'key','expect-compress-algo=1')

AS is_same

FROM random_string;