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author | Christian Grothoff <christian@grothoff.org> | 2010-10-14 09:51:29 +0000 |
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committer | Christian Grothoff <christian@grothoff.org> | 2010-10-14 09:51:29 +0000 |
commit | 561a3a54710db9698e3405b496808af43682931c (patch) | |
tree | 7b6733fd4499b101b31899ae835bd1f45e3e645b /src/util/crypto_ksk.c | |
parent | f7de546a5f6027642d1145163bc91b5792babd11 (diff) | |
download | gnunet-561a3a54710db9698e3405b496808af43682931c.tar.gz gnunet-561a3a54710db9698e3405b496808af43682931c.zip |
stuff
Diffstat (limited to 'src/util/crypto_ksk.c')
-rw-r--r-- | src/util/crypto_ksk.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/util/crypto_ksk.c b/src/util/crypto_ksk.c index 07ac939b4..b44c8e992 100644 --- a/src/util/crypto_ksk.c +++ b/src/util/crypto_ksk.c | |||
@@ -201,6 +201,22 @@ leave: | |||
201 | return rc; | 201 | return rc; |
202 | } | 202 | } |
203 | 203 | ||
204 | /** | ||
205 | * If target != size, move target bytes to the | ||
206 | * end of the size-sized buffer and zero out the | ||
207 | * first target-size bytes. | ||
208 | */ | ||
209 | static void | ||
210 | adjust (unsigned char *buf, size_t size, size_t target) | ||
211 | { | ||
212 | if (size < target) | ||
213 | { | ||
214 | memmove (&buf[target - size], buf, size); | ||
215 | memset (buf, 0, target - size); | ||
216 | } | ||
217 | } | ||
218 | |||
219 | |||
204 | static void | 220 | static void |
205 | gen_prime (gcry_mpi_t *ptest, unsigned int nbits, GNUNET_HashCode * hc) | 221 | gen_prime (gcry_mpi_t *ptest, unsigned int nbits, GNUNET_HashCode * hc) |
206 | { | 222 | { |
@@ -334,6 +350,8 @@ gen_prime (gcry_mpi_t *ptest, unsigned int nbits, GNUNET_HashCode * hc) | |||
334 | gcry_mpi_print (GCRYMPI_FMT_USG, | 350 | gcry_mpi_print (GCRYMPI_FMT_USG, |
335 | (unsigned char*) &mods[i], written, &written, | 351 | (unsigned char*) &mods[i], written, &written, |
336 | tmp)); | 352 | tmp)); |
353 | adjust ( (unsigned char*) &mods[i], written, sizeof (unsigned int)); | ||
354 | mods[i] = ntohl (mods[i]); | ||
337 | } | 355 | } |
338 | /* Now try some primes starting with prime. */ | 356 | /* Now try some primes starting with prime. */ |
339 | for (step = 0; step < 20000; step += 2) | 357 | for (step = 0; step < 20000; step += 2) |