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api.c and asn.c changes to allow 0 to be passed in and expanded coverage on test cases. #7791

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merged 2 commits into from
Jul 28, 2024
Merged

api.c and asn.c changes to allow 0 to be passed in and expanded coverage on test cases. #7791

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dace3ac
api.c and asn.c changes to allow 0 to be passed in and expanded cover…
Jul 24, 2024
55540d0
fix for PR#7786 BUFFER_E bad case
Jul 25, 2024
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26 changes: 17 additions & 9 deletions tests/api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -23340,7 +23340,11 @@ static int test_wc_Ed25519PublicKeyToDer(void)
ExpectIntEQ(wc_ed25519_init(&key), 0);
ExpectIntEQ(wc_InitRng(&rng), 0);
ExpectIntEQ(wc_ed25519_make_key(&rng, ED25519_KEY_SIZE, &key), 0);
ExpectIntGT(wc_Ed25519PublicKeyToDer(&key, derBuf, 1024, 1), 0);
/* length only */
ExpectIntGT(wc_Ed25519PublicKeyToDer(&key, NULL, 0, 0), 0);
ExpectIntGT(wc_Ed25519PublicKeyToDer(&key, NULL, 0, 1), 0);
ExpectIntGT(wc_Ed25519PublicKeyToDer(&key, derBuf,
(word32)sizeof(derBuf), 1), 0);

DoExpectIntEQ(wc_FreeRng(&rng), 0);
wc_ed25519_free(&key);
Expand Down Expand Up @@ -24233,8 +24237,11 @@ static int test_wc_Ed448PublicKeyToDer(void)
ExpectIntEQ(wc_ed448_init(&key), 0);
ExpectIntEQ(wc_InitRng(&rng), 0);
ExpectIntEQ(wc_ed448_make_key(&rng, ED448_KEY_SIZE, &key), 0);

ExpectIntGT(wc_Ed448PublicKeyToDer(&key, derBuf, 1024, 1), 0);
/* length only */
ExpectIntGT(wc_Ed448PublicKeyToDer(&key, NULL, 0, 0), 0);
ExpectIntGT(wc_Ed448PublicKeyToDer(&key, NULL, 0, 1), 0);
ExpectIntGT(wc_Ed448PublicKeyToDer(&key, derBuf,
(word32)sizeof(derBuf), 1), 0);

DoExpectIntEQ(wc_FreeRng(&rng), 0);
wc_ed448_free(&key);
Expand Down Expand Up @@ -26863,6 +26870,7 @@ static int test_wc_Ed25519KeyToDer(void)
ExpectIntEQ(wc_Ed25519KeyToDer(&ed25519Key, output, 0), BAD_FUNC_ARG);
/* Good Cases */
/* length only */
ExpectIntGT(wc_Ed25519KeyToDer(&ed25519Key, NULL, 0), 0);
ExpectIntGT(wc_Ed25519KeyToDer(&ed25519Key, NULL, inLen), 0);
ExpectIntGT(wc_Ed25519KeyToDer(&ed25519Key, output, inLen), 0);

Expand Down Expand Up @@ -26901,7 +26909,7 @@ static int test_wc_Ed25519PrivateKeyToDer(void)
BAD_FUNC_ARG);
/* Good Cases */
/* length only */
ExpectIntGT(wc_Ed25519PrivateKeyToDer(&ed25519PrivKey, NULL, inLen), 0);
ExpectIntGT(wc_Ed25519PrivateKeyToDer(&ed25519PrivKey, NULL, 0), 0);
ExpectIntGT(wc_Ed25519PrivateKeyToDer(&ed25519PrivKey, output, inLen), 0);

DoExpectIntEQ(wc_FreeRng(&rng), 0);
Expand Down Expand Up @@ -26937,7 +26945,7 @@ static int test_wc_Ed448KeyToDer(void)
ExpectIntEQ(wc_Ed448KeyToDer(&ed448Key, output, 0), BAD_FUNC_ARG);
/* Good Cases */
/* length only */
ExpectIntGT(wc_Ed448KeyToDer(&ed448Key, NULL, inLen), 0);
ExpectIntGT(wc_Ed448KeyToDer(&ed448Key, NULL, 0), 0);
ExpectIntGT(wc_Ed448KeyToDer(&ed448Key, output, inLen), 0);

DoExpectIntEQ(wc_FreeRng(&rng), 0);
Expand Down Expand Up @@ -26975,7 +26983,7 @@ static int test_wc_Ed448PrivateKeyToDer(void)
BAD_FUNC_ARG);
/* Good cases */
/* length only */
ExpectIntGT(wc_Ed448PrivateKeyToDer(&ed448PrivKey, NULL, inLen), 0);
ExpectIntGT(wc_Ed448PrivateKeyToDer(&ed448PrivKey, NULL, 0), 0);
ExpectIntGT(wc_Ed448PrivateKeyToDer(&ed448PrivKey, output, inLen), 0);

DoExpectIntEQ(wc_FreeRng(&rng), 0);
Expand Down Expand Up @@ -27013,7 +27021,7 @@ static int test_wc_Curve448PrivateKeyToDer(void)
BAD_FUNC_ARG);
/* Good cases */
/* length only */
ExpectIntGT(wc_Curve448PrivateKeyToDer(&curve448PrivKey, NULL, inLen), 0);
ExpectIntGT(wc_Curve448PrivateKeyToDer(&curve448PrivKey, NULL, 0), 0);
ExpectIntGT(wc_Curve448PrivateKeyToDer(&curve448PrivKey, output, inLen), 0);

/* Bad Cases */
Expand All @@ -27025,8 +27033,8 @@ static int test_wc_Curve448PrivateKeyToDer(void)
BUFFER_E);
/* Good cases */
/* length only */
ExpectIntGT(wc_Curve448PublicKeyToDer(&curve448PrivKey, NULL, inLen, 0), 0);
ExpectIntGT(wc_Curve448PublicKeyToDer(&curve448PrivKey, NULL, inLen, 1), 0);
ExpectIntGT(wc_Curve448PublicKeyToDer(&curve448PrivKey, NULL, 0, 0), 0);
ExpectIntGT(wc_Curve448PublicKeyToDer(&curve448PrivKey, NULL, 0, 1), 0);
ExpectIntGT(wc_Curve448PublicKeyToDer(&curve448PrivKey, output, inLen, 0), 0);
ExpectIntGT(wc_Curve448PublicKeyToDer(&curve448PrivKey, output, inLen, 1), 0);

Expand Down
15 changes: 11 additions & 4 deletions wolfcrypt/src/asn.c
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Original file line number Diff line number Diff line change
Expand Up @@ -11994,9 +11994,13 @@ int SetAsymKeyDerPublic(const byte* pubKey, word32 pubKeyLen,
DECL_ASNSETDATA(dataASN, edPubKeyASN_Length);
#endif

if (pubKey == NULL) {
/* validate parameters */
if (pubKey == NULL){
return BAD_FUNC_ARG;
}
if (output != NULL && outLen == 0) {
return BUFFER_E;
}

#ifndef WOLFSSL_ASN_TEMPLATE
/* calculate size */
Expand Down Expand Up @@ -35337,8 +35341,11 @@ int SetAsymKeyDer(const byte* privKey, word32 privKeyLen,
int sz;
#endif

/* Validate parameters. */
if (privKey == NULL || outLen == 0) {
/* validate parameters */
if (privKey == NULL) {
return BUFFER_E;
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}
if (output != NULL && outLen == 0) {
return BAD_FUNC_ARG;
}

Expand Down Expand Up @@ -35498,7 +35505,7 @@ int wc_Curve25519PublicKeyToDer(curve25519_key* key, byte* output, word32 inLen,
byte pubKey[CURVE25519_PUB_KEY_SIZE];
word32 pubKeyLen = (word32)sizeof(pubKey);

if (key == NULL || output == NULL) {
if (key == NULL) {
return BAD_FUNC_ARG;
}

Expand Down
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