diff options
Diffstat (limited to 'providers/implementations/exchange/kdf_exch.c')
| -rw-r--r-- | providers/implementations/exchange/kdf_exch.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/providers/implementations/exchange/kdf_exch.c b/providers/implementations/exchange/kdf_exch.c index 4aaf673398..84ff369db4 100644 --- a/providers/implementations/exchange/kdf_exch.c +++ b/providers/implementations/exchange/kdf_exch.c @@ -28,9 +28,13 @@ static OSSL_FUNC_keyexch_derive_fn kdf_derive; static OSSL_FUNC_keyexch_freectx_fn kdf_freectx; static OSSL_FUNC_keyexch_dupctx_fn kdf_dupctx; static OSSL_FUNC_keyexch_set_ctx_params_fn kdf_set_ctx_params; +static OSSL_FUNC_keyexch_get_ctx_params_fn kdf_get_ctx_params; static OSSL_FUNC_keyexch_settable_ctx_params_fn kdf_tls1_prf_settable_ctx_params; static OSSL_FUNC_keyexch_settable_ctx_params_fn kdf_hkdf_settable_ctx_params; static OSSL_FUNC_keyexch_settable_ctx_params_fn kdf_scrypt_settable_ctx_params; +static OSSL_FUNC_keyexch_gettable_ctx_params_fn kdf_tls1_prf_gettable_ctx_params; +static OSSL_FUNC_keyexch_gettable_ctx_params_fn kdf_hkdf_gettable_ctx_params; +static OSSL_FUNC_keyexch_gettable_ctx_params_fn kdf_scrypt_gettable_ctx_params; typedef struct { void *provctx; @@ -169,6 +173,13 @@ static int kdf_set_ctx_params(void *vpkdfctx, const OSSL_PARAM params[]) return EVP_KDF_CTX_set_params(pkdfctx->kdfctx, params); } +static int kdf_get_ctx_params(void *vpkdfctx, OSSL_PARAM params[]) +{ + PROV_KDF_CTX *pkdfctx = (PROV_KDF_CTX *)vpkdfctx; + + return EVP_KDF_CTX_get_params(pkdfctx->kdfctx, params); +} + static const OSSL_PARAM *kdf_settable_ctx_params(ossl_unused void *vpkdfctx, void *provctx, const char *kdfname) @@ -197,6 +208,34 @@ KDF_SETTABLE_CTX_PARAMS(tls1_prf, "TLS1-PRF") KDF_SETTABLE_CTX_PARAMS(hkdf, "HKDF") KDF_SETTABLE_CTX_PARAMS(scrypt, "SCRYPT") +static const OSSL_PARAM *kdf_gettable_ctx_params(ossl_unused void *vpkdfctx, + void *provctx, + const char *kdfname) +{ + EVP_KDF *kdf = EVP_KDF_fetch(PROV_LIBCTX_OF(provctx), kdfname, + NULL); + const OSSL_PARAM *params; + + if (kdf == NULL) + return NULL; + + params = EVP_KDF_gettable_ctx_params(kdf); + EVP_KDF_free(kdf); + + return params; +} + +#define KDF_GETTABLE_CTX_PARAMS(funcname, kdfname) \ + static const OSSL_PARAM *kdf_##funcname##_gettable_ctx_params(void *vpkdfctx, \ + void *provctx) \ + { \ + return kdf_gettable_ctx_params(vpkdfctx, provctx, kdfname); \ + } + +KDF_GETTABLE_CTX_PARAMS(tls1_prf, "TLS1-PRF") +KDF_GETTABLE_CTX_PARAMS(hkdf, "HKDF") +KDF_GETTABLE_CTX_PARAMS(scrypt, "SCRYPT") + #define KDF_KEYEXCH_FUNCTIONS(funcname) \ const OSSL_DISPATCH ossl_kdf_##funcname##_keyexch_functions[] = { \ { OSSL_FUNC_KEYEXCH_NEWCTX, (void (*)(void))kdf_##funcname##_newctx }, \ @@ -205,8 +244,11 @@ KDF_SETTABLE_CTX_PARAMS(scrypt, "SCRYPT") { OSSL_FUNC_KEYEXCH_FREECTX, (void (*)(void))kdf_freectx }, \ { OSSL_FUNC_KEYEXCH_DUPCTX, (void (*)(void))kdf_dupctx }, \ { OSSL_FUNC_KEYEXCH_SET_CTX_PARAMS, (void (*)(void))kdf_set_ctx_params }, \ + { OSSL_FUNC_KEYEXCH_GET_CTX_PARAMS, (void (*)(void))kdf_get_ctx_params }, \ { OSSL_FUNC_KEYEXCH_SETTABLE_CTX_PARAMS, \ (void (*)(void))kdf_##funcname##_settable_ctx_params }, \ + { OSSL_FUNC_KEYEXCH_GETTABLE_CTX_PARAMS, \ + (void (*)(void))kdf_##funcname##_gettable_ctx_params }, \ OSSL_DISPATCH_END \ }; |