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secp256k1
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Add missing null check for ctx and input keys in the public API

This commit is contained in:
Elichai Turkel 2020-07-30 12:26:28 +03:00
parent f4edfc7581
commit adec5a1638
4 changed files with 7 additions and 5 deletions
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2
include/secp256k1.h
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@ -247,7 +247,7 @@ SECP256K1_API secp256k1_context* secp256k1_context_clone(
*/
SECP256K1_API void secp256k1_context_destroy(
secp256k1_context* ctx
);
) SECP256K1_ARG_NONNULL(1);
/** Set a callback function to be called when an illegal argument is passed to
* an API call. It will only trigger for violations that are mentioned

2
include/secp256k1_preallocated.h
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@ -119,7 +119,7 @@ SECP256K1_API secp256k1_context* secp256k1_context_preallocated_clone(
*/
SECP256K1_API void secp256k1_context_preallocated_destroy(
secp256k1_context* ctx
);
) SECP256K1_ARG_NONNULL(1);
#ifdef __cplusplus
}

6
src/modules/recovery/main_impl.h
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@ -40,7 +40,7 @@ int secp256k1_ecdsa_recoverable_signature_parse_compact(const secp256k1_context*
int ret = 1;
int overflow = 0;
(void)ctx;
VERIFY_CHECK(ctx != NULL);
ARG_CHECK(sig != NULL);
ARG_CHECK(input64 != NULL);
ARG_CHECK(recid >= 0 && recid <= 3);
@ -60,7 +60,7 @@ int secp256k1_ecdsa_recoverable_signature_parse_compact(const secp256k1_context*
int secp256k1_ecdsa_recoverable_signature_serialize_compact(const secp256k1_context* ctx, unsigned char *output64, int *recid, const secp256k1_ecdsa_recoverable_signature* sig) {
secp256k1_scalar r, s;
(void)ctx;
VERIFY_CHECK(ctx != NULL);
ARG_CHECK(output64 != NULL);
ARG_CHECK(sig != NULL);
ARG_CHECK(recid != NULL);
@ -75,7 +75,7 @@ int secp256k1_ecdsa_recoverable_signature_convert(const secp256k1_context* ctx,
secp256k1_scalar r, s;
int recid;
(void)ctx;
VERIFY_CHECK(ctx != NULL);
ARG_CHECK(sig != NULL);
ARG_CHECK(sigin != NULL);

2
src/secp256k1.c
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@ -771,6 +771,7 @@ int secp256k1_ec_pubkey_combine(const secp256k1_context* ctx, secp256k1_pubkey *
secp256k1_gej Qj;
secp256k1_ge Q;
VERIFY_CHECK(ctx != NULL);
ARG_CHECK(pubnonce != NULL);
memset(pubnonce, 0, sizeof(*pubnonce));
ARG_CHECK(n >= 1);
@ -779,6 +780,7 @@ int secp256k1_ec_pubkey_combine(const secp256k1_context* ctx, secp256k1_pubkey *
secp256k1_gej_set_infinity(&Qj);
for (i = 0; i < n; i++) {
ARG_CHECK(pubnonces[i] != NULL);
secp256k1_pubkey_load(ctx, &Q, pubnonces[i]);
secp256k1_gej_add_ge(&Qj, &Qj, &Q);
}