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Code Issues Releases Wiki Activity

ForceZero the private key on import error

pull/5311/head
Juliusz Sosinowicz 2022-07-05 13:44:31 +02:00
parent 4a962b7fb2
commit 4caffee590
2 changed files with 10 additions and 2 deletions
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6
wolfcrypt/src/ed25519.c
View File

@ -1054,6 +1054,7 @@ int wc_ed25519_import_private_only(const byte* priv, word32 privSz,
}
if (ret != 0) {
key->privKeySet = 0;
ForceZero(key->k, ED25519_KEY_SIZE);
}
return ret;
@ -1105,8 +1106,11 @@ int wc_ed25519_import_private_key_ex(const byte* priv, word32 privSz,
/* import public key */
ret = wc_ed25519_import_public_ex(pub, pubSz, key, trusted);
if (ret != 0)
if (ret != 0) {
key->privKeySet = 0;
ForceZero(key->k, ED25519_KEY_SIZE);
return ret;
}
/* make the private key (priv + pub) */
XMEMCPY(key->k + ED25519_KEY_SIZE, key->p, ED25519_PUB_KEY_SIZE);

6
wolfcrypt/src/ed448.c
View File

@ -1009,6 +1009,7 @@ int wc_ed448_import_private_only(const byte* priv, word32 privSz,
if ((ret != 0) && (key != NULL)) {
/* No private key set on error. */
key->privKeySet = 0;
ForceZero(key->k, ED448_KEY_SIZE);
}
return ret;
@ -1059,8 +1060,11 @@ int wc_ed448_import_private_key_ex(const byte* priv, word32 privSz,
/* import public key */
ret = wc_ed448_import_public_ex(pub, pubSz, key, trusted);
if (ret != 0)
if (ret != 0) {
key->privKeySet = 0;
ForceZero(key->k, ED448_KEY_SIZE);
return ret;
}
/* make the private key (priv + pub) */
XMEMCPY(key->k + ED448_KEY_SIZE, key->p, ED448_PUB_KEY_SIZE);