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| author | Martin Schanzenbach <schanzen@gnunet.org> | 2024-10-29 13:07:04 +0100 |
|---|---|---|
| committer | Martin Schanzenbach <schanzen@gnunet.org> | 2024-10-29 13:07:04 +0100 |
| commit | 879bc73d2aacc5784611a0def46e598bfc8e0f84 (patch) | |
| tree | 6f2033773f63af7631dd7764176844a5f1a26d12 | |
| parent | 663478b6b6571b3c7a2260fb4d0b76da93561936 (diff) | |
| download | gnunet-879bc73d2aacc5784611a0def46e598bfc8e0f84.tar.gz gnunet-879bc73d2aacc5784611a0def46e598bfc8e0f84.zip | |
util: ECC Dlog - make sure input variables do not overflow. Fixes #9297
| -rw-r--r-- | src/lib/util/crypto_ecc_dlog.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/lib/util/crypto_ecc_dlog.c b/src/lib/util/crypto_ecc_dlog.c index 6e333686f..e319bc1a3 100644 --- a/src/lib/util/crypto_ecc_dlog.c +++ b/src/lib/util/crypto_ecc_dlog.c | |||
| @@ -69,6 +69,7 @@ GNUNET_CRYPTO_ecc_dlog_prepare (unsigned int max, | |||
| 69 | int K = ((max + (mem - 1)) / mem); | 69 | int K = ((max + (mem - 1)) / mem); |
| 70 | 70 | ||
| 71 | GNUNET_assert (max < INT32_MAX); | 71 | GNUNET_assert (max < INT32_MAX); |
| 72 | GNUNET_assert (mem <= UINT32_MAX / 2); | ||
| 72 | edc = GNUNET_new (struct GNUNET_CRYPTO_EccDlogContext); | 73 | edc = GNUNET_new (struct GNUNET_CRYPTO_EccDlogContext); |
| 73 | edc->max = max; | 74 | edc->max = max; |
| 74 | edc->mem = mem; | 75 | edc->mem = mem; |