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Provide and use internal function mbedtls_zeroize_and_free()

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Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
This commit is contained in:
Tom Cosgrove
2023-07-17 15:17:40 +01:00
parent b366fe955d
commit ca8c61b815
23 changed files with 83 additions and 127 deletions
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6
library/cipher.c
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@@ -231,8 +231,7 @@ void mbedtls_cipher_free(mbedtls_cipher_context_t *ctx)
(void) psa_destroy_key(cipher_psa->slot);
}
mbedtls_platform_zeroize(cipher_psa, sizeof(*cipher_psa));
mbedtls_free(cipher_psa);
mbedtls_zeroize_and_free(cipher_psa, sizeof(*cipher_psa));
}
mbedtls_platform_zeroize(ctx, sizeof(mbedtls_cipher_context_t));
@@ -242,9 +241,8 @@ void mbedtls_cipher_free(mbedtls_cipher_context_t *ctx)
#if defined(MBEDTLS_CMAC_C)
if (ctx->cmac_ctx) {
mbedtls_platform_zeroize(ctx->cmac_ctx,
mbedtls_zeroize_and_free(ctx->cmac_ctx,
sizeof(mbedtls_cmac_context_t));
mbedtls_free(ctx->cmac_ctx);
}
#endif