diff options
Diffstat (limited to 'providers/implementations')
| -rw-r--r-- | providers/implementations/kdfs/x942kdf.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/providers/implementations/kdfs/x942kdf.c b/providers/implementations/kdfs/x942kdf.c index c2cc94a192..4fb71835a2 100644 --- a/providers/implementations/kdfs/x942kdf.c +++ b/providers/implementations/kdfs/x942kdf.c @@ -26,6 +26,7 @@ #define X942KDF_MAX_INLEN (1 << 30) static OSSL_FUNC_kdf_newctx_fn x942kdf_new; +static OSSL_FUNC_kdf_dupctx_fn x942kdf_dup; static OSSL_FUNC_kdf_freectx_fn x942kdf_free; static OSSL_FUNC_kdf_reset_fn x942kdf_reset; static OSSL_FUNC_kdf_derive_fn x942kdf_derive; @@ -368,6 +369,41 @@ static void x942kdf_free(void *vctx) } } +static void *x942kdf_dup(void *vctx) +{ + const KDF_X942 *src = (const KDF_X942 *)vctx; + KDF_X942 *dest; + + dest = x942kdf_new(src->provctx); + if (dest != NULL) { + if (!ossl_prov_memdup(src->secret, src->secret_len, + &dest->secret , &dest->secret_len) + || !ossl_prov_memdup(src->acvpinfo, src->acvpinfo_len, + &dest->acvpinfo , &dest->acvpinfo_len) + || !ossl_prov_memdup(src->partyuinfo, src->partyuinfo_len, + &dest->partyuinfo , &dest->partyuinfo_len) + || !ossl_prov_memdup(src->partyvinfo, src->partyvinfo_len, + &dest->partyvinfo , &dest->partyvinfo_len) + || !ossl_prov_memdup(src->supp_pubinfo, src->supp_pubinfo_len, + &dest->supp_pubinfo, + &dest->supp_pubinfo_len) + || !ossl_prov_memdup(src->supp_privinfo, src->supp_privinfo_len, + &dest->supp_privinfo, + &dest->supp_privinfo_len) + || !ossl_prov_digest_copy(&dest->digest, &src->digest)) + goto err; + dest->cek_oid = src->cek_oid; + dest->cek_oid_len = src->cek_oid_len; + dest->dkm_len = src->dkm_len; + dest->use_keybits = src->use_keybits; + } + return dest; + + err: + x942kdf_free(dest); + return NULL; +} + static int x942kdf_set_buffer(unsigned char **out, size_t *out_len, const OSSL_PARAM *p) { @@ -579,6 +615,7 @@ static const OSSL_PARAM *x942kdf_gettable_ctx_params(ossl_unused void *ctx, const OSSL_DISPATCH ossl_kdf_x942_kdf_functions[] = { { OSSL_FUNC_KDF_NEWCTX, (void(*)(void))x942kdf_new }, + { OSSL_FUNC_KDF_DUPCTX, (void(*)(void))x942kdf_dup }, { OSSL_FUNC_KDF_FREECTX, (void(*)(void))x942kdf_free }, { OSSL_FUNC_KDF_RESET, (void(*)(void))x942kdf_reset }, { OSSL_FUNC_KDF_DERIVE, (void(*)(void))x942kdf_derive }, |