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Memory cleanup on ECDH.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-10-31 12:54:44 +01:00
parent cfc0cc8f6e
commit eda8b53949
1 changed files with 1 additions and 2 deletions
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3
src/hsm/cmd_decrypt_asym.c
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@@ -120,8 +120,8 @@ int cmd_decrypt_asym() {
size_t olen = 0; size_t olen = 0;
res_APDU[0] = 0x04; res_APDU[0] = 0x04;
r = mbedtls_ecdh_calc_secret(&ctx, &olen, res_APDU+1, MBEDTLS_ECP_MAX_BYTES, random_gen, NULL); r = mbedtls_ecdh_calc_secret(&ctx, &olen, res_APDU+1, MBEDTLS_ECP_MAX_BYTES, random_gen, NULL);
mbedtls_ecdh_free(&ctx);
if (r != 0) { if (r != 0) {
mbedtls_ecdh_free(&ctx);
return SW_EXEC_ERROR(); return SW_EXEC_ERROR();
} }
if (p2 == ALGO_EC_DH) if (p2 == ALGO_EC_DH)
@@ -161,7 +161,6 @@ int cmd_decrypt_asym() {
} }
return SW_REFERENCE_NOT_FOUND(); return SW_REFERENCE_NOT_FOUND();
} }
mbedtls_ecdh_free(&ctx);
} }
else else
return SW_WRONG_P1P2(); return SW_WRONG_P1P2();