frost/secp256k1-zkp
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

examples: Switch to NONE contexts

Browse Source
This commit is contained in:
Tim Ruffing 2022-11-25 22:32:11 +01:00
parent 7289b51d31
commit 4386a2306c
3 changed files with 6 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
examples/ecdh.c
View File

@ -30,12 +30,8 @@ int main(void) {
secp256k1_pubkey pubkey1; secp256k1_pubkey pubkey1;
secp256k1_pubkey pubkey2; secp256k1_pubkey pubkey2;
/* The specification in secp256k1.h states that `secp256k1_ec_pubkey_create` /* Before we can call actual API functions, we need to create a "context". */
* needs a context object initialized for signing, which is why we create secp256k1_context* ctx = secp256k1_context_create(SECP256K1_CONTEXT_NONE);
* a context with the SECP256K1_CONTEXT_SIGN flag.
* (The docs for `secp256k1_ecdh` don't require any special context, just
* some initialized context) */
secp256k1_context* ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN);
if (!fill_random(randomize, sizeof(randomize))) { if (!fill_random(randomize, sizeof(randomize))) {
printf("Failed to generate randomness\n"); printf("Failed to generate randomness\n");
return 1; return 1;

8
examples/ecdsa.c
View File

@ -38,12 +38,8 @@ int main(void) {
int return_val; int return_val;
secp256k1_pubkey pubkey; secp256k1_pubkey pubkey;
secp256k1_ecdsa_signature sig; secp256k1_ecdsa_signature sig;
/* The specification in secp256k1.h states that `secp256k1_ec_pubkey_create` needs /* Before we can call actual API functions, we need to create a "context". */
* a context object initialized for signing and `secp256k1_ecdsa_verify` needs secp256k1_context* ctx = secp256k1_context_create(SECP256K1_CONTEXT_NONE);
* a context initialized for verification, which is why we create a context
* for both signing and verification with the SECP256K1_CONTEXT_SIGN and
* SECP256K1_CONTEXT_VERIFY flags. */
secp256k1_context* ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
if (!fill_random(randomize, sizeof(randomize))) { if (!fill_random(randomize, sizeof(randomize))) {
printf("Failed to generate randomness\n"); printf("Failed to generate randomness\n");
return 1; return 1;

8
examples/schnorr.c
View File

@ -30,12 +30,8 @@ int main(void) {
int return_val; int return_val;
secp256k1_xonly_pubkey pubkey; secp256k1_xonly_pubkey pubkey;
secp256k1_keypair keypair; secp256k1_keypair keypair;
/* The specification in secp256k1_extrakeys.h states that `secp256k1_keypair_create` /* Before we can call actual API functions, we need to create a "context". */
* needs a context object initialized for signing. And in secp256k1_schnorrsig.h secp256k1_context* ctx = secp256k1_context_create(SECP256K1_CONTEXT_NONE);
* they state that `secp256k1_schnorrsig_verify` needs a context initialized for
* verification, which is why we create a context for both signing and verification
* with the SECP256K1_CONTEXT_SIGN and SECP256K1_CONTEXT_VERIFY flags. */
secp256k1_context* ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
if (!fill_random(randomize, sizeof(randomize))) { if (!fill_random(randomize, sizeof(randomize))) {
printf("Failed to generate randomness\n"); printf("Failed to generate randomness\n");
return 1; return 1;