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Merge pull request #8818 from forkiee2/mbedtls-2.28

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Backport 2.28: move entropy init prior arguments number recognition
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Gilles Peskine 2024-02-14 13:43:32 +00:00 committed by GitHub
commit 039c903e7b
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2 changed files with 4 additions and 1 deletions
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3
ChangeLog.d/gen-key-segfault.txt Normal file
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@ -0,0 +1,3 @@
Bugfix
* Avoid segmentation fault caused by releasing not initialized
entropy resource in gen_key example. Fixes #8809.

2
programs/pkey/gen_key.c
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@ -188,6 +188,7 @@ int main(int argc, char *argv[])
mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
mbedtls_entropy_init(&entropy);
mbedtls_pk_init(&key);
mbedtls_ctr_drbg_init(&ctr_drbg);
memset(buf, 0, sizeof(buf));
@ -275,7 +276,6 @@ usage:
mbedtls_printf("\n . Seeding the random number generator...");
fflush(stdout);
mbedtls_entropy_init(&entropy);
#if !defined(_WIN32) && defined(MBEDTLS_FS_IO)
if (opt.use_dev_random) {
if ((ret = mbedtls_entropy_add_source(&entropy, dev_random_entropy_poll,