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authorChristian Grothoff <christian@grothoff.org>2019-11-30 23:08:49 +0100
committerChristian Grothoff <christian@grothoff.org>2019-11-30 23:08:49 +0100
commit7cde88367991dcd1deca2485970c353fec5aff3e (patch)
treec2db008b530ac935a3375d562f80e67e85ba32b0 /src/nse/perf_kdf.c
parentf536489f831c5fd243c22545be12a2cd0f88a84d (diff)
downloadgnunet-7cde88367991dcd1deca2485970c353fec5aff3e.tar.gz
gnunet-7cde88367991dcd1deca2485970c353fec5aff3e.zip
use new POW function consistently, also in revocation
Diffstat (limited to 'src/nse/perf_kdf.c')
-rw-r--r--src/nse/perf_kdf.c31
1 files changed, 5 insertions, 26 deletions
diff --git a/src/nse/perf_kdf.c b/src/nse/perf_kdf.c
index ec6dc7ff3..c5975aaf2 100644
--- a/src/nse/perf_kdf.c
+++ b/src/nse/perf_kdf.c
@@ -29,39 +29,18 @@
29#include <gauger.h> 29#include <gauger.h>
30 30
31 31
32/**
33 * Calculate the 'proof-of-work' hash (an expensive hash).
34 *
35 * @param buf data to hash
36 * @param buf_len number of bytes in 'buf'
37 * @param result where to write the resulting hash
38 */
39static void
40pow_hash (const void *buf,
41 size_t buf_len,
42 struct GNUNET_HashCode *result)
43{
44 GNUNET_break (0 ==
45 gcry_kdf_derive (buf, buf_len,
46 GCRY_KDF_SCRYPT,
47 1 /* subalgo */,
48 "gnunet-proof-of-work", strlen (
49 "gnunet-proof-of-work"),
50 2 /* iterations; keep cost of individual op small */,
51 sizeof(struct GNUNET_HashCode), result));
52}
53
54
55static void 32static void
56perfHash () 33perfHash ()
57{ 34{
58 struct GNUNET_HashCode hc; 35 struct GNUNET_HashCode hc;
59 unsigned int i;
60 char buf[64]; 36 char buf[64];
61 37
62 memset (buf, 1, sizeof(buf)); 38 memset (buf, 1, sizeof(buf));
63 for (i = 0; i < 1024; i++) 39 for (unsigned int i = 0; i < 1024; i++)
64 pow_hash (buf, sizeof(buf), &hc); 40 GNUNET_CRYPTO_pow_hash ("gnunet-proof-of-work",
41 buf,
42 sizeof(buf),
43 &hc);
65} 44}
66 45
67 46