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mbedtls_ecp_write_key_ext(): migrate internally

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Stop using mbedtls_ecp_write_key() except to test it.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2024-02-19 16:44:29 +01:00
parent acdc52e154
commit 84b9f1b039
5 changed files with 30 additions and 34 deletions
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3
library/ssl_tls12_server.c
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@ -2703,8 +2703,7 @@ static int ssl_get_ecdh_params_from_cert(mbedtls_ssl_context *ssl)
PSA_KEY_TYPE_ECC_KEY_PAIR(ssl->handshake->xxdh_psa_type));
psa_set_key_bits(&key_attributes, ssl->handshake->xxdh_psa_bits);
key_len = PSA_BITS_TO_BYTES(key->grp.pbits);
ret = mbedtls_ecp_write_key(key, buf, key_len);
ret = mbedtls_ecp_write_key_ext(key, &key_len, buf, sizeof(buf));
if (ret != 0) {
mbedtls_platform_zeroize(buf, sizeof(buf));
break;