lib/mbedtls
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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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12
library/pkparse.c
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@@ -107,8 +107,7 @@ int mbedtls_pk_load_file(const char *path, unsigned char **buf, size_t *n)
if (fread(*buf, 1, *n, f) != *n) {
fclose(f);
mbedtls_platform_zeroize(*buf, *n);
mbedtls_free(*buf);
mbedtls_zeroize_and_free(*buf, *n);
return MBEDTLS_ERR_PK_FILE_IO_ERROR;
}
@@ -146,8 +145,7 @@ int mbedtls_pk_parse_keyfile(mbedtls_pk_context *ctx,
(const unsigned char *) pwd, strlen(pwd), f_rng, p_rng);
}
mbedtls_platform_zeroize(buf, n);
mbedtls_free(buf);
mbedtls_zeroize_and_free(buf, n);
return ret;
}
@@ -167,8 +165,7 @@ int mbedtls_pk_parse_public_keyfile(mbedtls_pk_context *ctx, const char *path)
ret = mbedtls_pk_parse_public_key(ctx, buf, n);
mbedtls_platform_zeroize(buf, n);
mbedtls_free(buf);
mbedtls_zeroize_and_free(buf, n);
return ret;
}
@@ -1686,8 +1683,7 @@ int mbedtls_pk_parse_key(mbedtls_pk_context *pk,
ret = pk_parse_key_pkcs8_encrypted_der(pk, key_copy, keylen,
pwd, pwdlen, f_rng, p_rng);
mbedtls_platform_zeroize(key_copy, keylen);
mbedtls_free(key_copy);
mbedtls_zeroize_and_free(key_copy, keylen);
}
if (ret == 0) {