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fixes for c++ error on missing enum cast and warning on MlKemKey init #928

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Merged
ejohnstown merged 2 commits into from
Apr 17, 2026
Merged

fixes for c++ error on missing enum cast and warning on MlKemKey init #928

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8a945c7
fixes for c++ error on missing enum cast and warning on MlKemKey init…
JacobBarthelmeh Apr 16, 2026
6013f12
check on return value of get digest size and remove old ret reset code
JacobBarthelmeh Apr 16, 2026
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24 changes: 15 additions & 9 deletions src/internal.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5527,12 +5527,14 @@ static int KeyAgreeEcdhMlKem_client(WOLFSSH* ssh, byte hashId,
int ret = WS_SUCCESS;
byte sharedSecretHashSz = 0;
byte *sharedSecretHash = NULL;
MlKemKey kem = {0};
MlKemKey kem;
word32 length_ciphertext = 0;
word32 length_sharedsecret = 0;
word32 length_privatekey = 0;
int mlKemType = WC_ML_KEM_768;
byte kexId = ssh->handshake->kexId;

WMEMSET(&kem, 0, sizeof(kem));
#if !defined(WOLFSSH_NO_NISTP256_MLKEM768_SHA256) || \
!defined(WOLFSSH_NO_NISTP384_MLKEM1024_SHA384)
ecc_key *key_ptr = NULL;
Expand Down Expand Up @@ -5694,7 +5696,7 @@ static int KeyAgreeEcdhMlKem_client(WOLFSSH* ssh, byte hashId,
/* Replace the concatenated shared secrets with the hash. That
* will become the new shared secret. */
if (ret == 0) {
sharedSecretHashSz = wc_HashGetDigestSize(hashId);
sharedSecretHashSz = wc_HashGetDigestSize((enum wc_HashType)hashId);
sharedSecretHash = (byte *)WMALLOC(sharedSecretHashSz,
ssh->ctx->heap,
DYNTYPE_PRIVKEY);
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Expand All @@ -5704,8 +5706,8 @@ static int KeyAgreeEcdhMlKem_client(WOLFSSH* ssh, byte hashId,
}

if (ret == 0) {
ret = wc_Hash(hashId, ssh->k, ssh->kSz, sharedSecretHash,
sharedSecretHashSz);
ret = wc_Hash((enum wc_HashType)hashId, ssh->k, ssh->kSz,
sharedSecretHash, sharedSecretHashSz);
}

if (ret == 0) {
Expand Down Expand Up @@ -12144,12 +12146,14 @@ static int KeyAgreeEcdhMlKem_server(WOLFSSH* ssh, byte hashId,
int ret = WS_SUCCESS;
byte sharedSecretHashSz = 0;
byte *sharedSecretHash = NULL;
MlKemKey kem = {0};
MlKemKey kem;
word32 length_publickey = 0;
word32 length_ciphertext = 0;
word32 length_sharedsecret = 0;
int mlKemType = WC_ML_KEM_768;
byte kexId = ssh->handshake->kexId;

WMEMSET(&kem, 0, sizeof(kem));
#if !defined(WOLFSSH_NO_NISTP256_MLKEM768_SHA256) || \
!defined(WOLFSSH_NO_NISTP384_MLKEM1024_SHA384)
ecc_key* pubKey = NULL;
Expand Down Expand Up @@ -12366,16 +12370,16 @@ static int KeyAgreeEcdhMlKem_server(WOLFSSH* ssh, byte hashId,
/* Replace the concatenated shared secrets with the hash. That
* will become the new shared secret.*/
if (ret == 0) {
sharedSecretHashSz = wc_HashGetDigestSize(hashId);
sharedSecretHashSz = wc_HashGetDigestSize((enum wc_HashType)hashId);
sharedSecretHash = (byte *)WMALLOC(sharedSecretHashSz,
ssh->ctx->heap, DYNTYPE_PRIVKEY);
if (sharedSecretHash == NULL) {
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ret = WS_MEMORY_E;
}
}
if (ret == 0) {
ret = wc_Hash(hashId, ssh->k, ssh->kSz, sharedSecretHash,
sharedSecretHashSz);
ret = wc_Hash((enum wc_HashType)hashId, ssh->k, ssh->kSz,
sharedSecretHash, sharedSecretHashSz);
}
if (ret == 0) {
XMEMCPY(ssh->k, sharedSecretHash, sharedSecretHashSz);
Expand Down Expand Up @@ -13554,12 +13558,14 @@ int SendKexDhInit(WOLFSSH* ssh)
!defined(WOLFSSH_NO_NISTP384_MLKEM1024_SHA384) || \
!defined(WOLFSSH_NO_CURVE25519_MLKEM768_SHA256)
if (ssh->handshake->useEccMlKem) {
MlKemKey kem = {0};
MlKemKey kem;
word32 length_publickey = 0;
word32 length_privatekey = 0;
int mlKemType = WC_ML_KEM_768;
ret = 0;

WMEMSET(&kem, 0, sizeof(kem));

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#ifndef WOLFSSH_NO_NISTP384_MLKEM1024_SHA384
if (ssh->handshake->kexId == ID_NISTP384_MLKEM1024_SHA384) {
mlKemType = WC_ML_KEM_1024;
Expand Down
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