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Code Issues Releases Wiki Activity

Make OpenSSL keypair comparation a generic helper function

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This commit is contained in:
Timo Teräs
2022-12-28 17:11:21 +02:00
committed by Ondřej Surý
parent 326e85e08d
commit 02efa591ef
3 changed files with 28 additions and 25 deletions
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24
lib/dns/openssl_link.c
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@@ -353,4 +353,28 @@ dst__openssl_fromlabel(int key_base_id, const char *engine, const char *label,
ppub, ppriv));
}
bool
dst__openssl_compare_keypair(const dst_key_t *key1, const dst_key_t *key2) {
EVP_PKEY *pkey1 = key1->keydata.pkeypair.pub;
EVP_PKEY *pkey2 = key2->keydata.pkeypair.pub;
if (pkey1 == NULL && pkey2 == NULL) {
return (true);
} else if (pkey1 == NULL || pkey2 == NULL) {
return (false);
}
/* `EVP_PKEY_eq` checks only the public components and parameters. */
if (EVP_PKEY_eq(pkey1, pkey2) != 1) {
return (false);
}
/* The private key presence must be same for keys to match. */
if ((key1->keydata.pkeypair.priv != NULL) !=
(key2->keydata.pkeypair.priv != NULL))
{
return (false);
}
return (true);
}
/*! \file */