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Ensure that ECDSA constant sizes are correctly-sized

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This commit is contained in:
Jack Grigg
2017-06-08 16:07:49 +12:00
parent 48abe78e51
commit 1ce9f0a952
2 changed files with 6 additions and 0 deletions
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3
src/key.cpp
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@@ -92,6 +92,9 @@ static int ec_privkey_import_der(const secp256k1_context* ctx, unsigned char *ou
*/
static int ec_privkey_export_der(const secp256k1_context *ctx, unsigned char *privkey, size_t *privkeylen, const unsigned char *key32, int compressed) {
assert(*privkeylen >= PRIVATE_KEY_SIZE);
static_assert(
PRIVATE_KEY_SIZE >= COMPRESSED_PRIVATE_KEY_SIZE,
"COMPRESSED_PRIVATE_KEY_SIZE is larger than PRIVATE_KEY_SIZE");
secp256k1_pubkey pubkey;
size_t pubkeylen = 0;
if (!secp256k1_ec_pubkey_create(ctx, &pubkey, key32)) {