diff options
Diffstat (limited to 'src/rs256.c')
| -rw-r--r-- | src/rs256.c | 53 |
1 files changed, 9 insertions, 44 deletions
diff --git a/src/rs256.c b/src/rs256.c index 59ceb94..8873db4 100644 --- a/src/rs256.c +++ b/src/rs256.c @@ -18,54 +18,20 @@ #define get0_RSA(x) EVP_PKEY_get0((x)) #endif -#if defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x3050200fL -static EVP_MD * -rs256_get_EVP_MD(void) -{ - const EVP_MD *from; - EVP_MD *to = NULL; - - if ((from = EVP_sha256()) != NULL && (to = malloc(sizeof(*to))) != NULL) - memcpy(to, from, sizeof(*to)); - - return (to); -} - -static void -rs256_free_EVP_MD(EVP_MD *md) -{ - freezero(md, sizeof(*md)); -} -#elif OPENSSL_VERSION_NUMBER >= 0x30000000 -static EVP_MD * -rs256_get_EVP_MD(void) -{ - return (EVP_MD_fetch(NULL, "SHA2-256", NULL)); -} - -static void -rs256_free_EVP_MD(EVP_MD *md) -{ - EVP_MD_free(md); -} +#if defined(__GNUC__) +#define PRAGMA(s) _Pragma(s) #else +#define PRAGMA(s) +#endif + static EVP_MD * rs256_get_EVP_MD(void) { - const EVP_MD *md; - - if ((md = EVP_sha256()) == NULL) - return (NULL); - - return (EVP_MD_meth_dup(md)); -} - -static void -rs256_free_EVP_MD(EVP_MD *md) -{ - EVP_MD_meth_free(md); +PRAGMA("GCC diagnostic push") +PRAGMA("GCC diagnostic ignored \"-Wcast-qual\"") + return ((EVP_MD *)EVP_sha256()); +PRAGMA("GCC diagnostic pop") } -#endif /* LIBRESSL_VERSION_NUMBER */ static int decode_bignum(const cbor_item_t *item, void *ptr, size_t len) @@ -290,7 +256,6 @@ rs256_verify_sig(const fido_blob_t *dgst, EVP_PKEY *pkey, ok = 0; fail: EVP_PKEY_CTX_free(pctx); - rs256_free_EVP_MD(md); return (ok); } |