prov: add extra params argument to KDF implementations

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/14383)

providers/implementations/kdfs/hkdf.c

@@ -172,6 +172,9 @@ static int kdf_hkdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     OSSL_LIB_CTX *provctx = PROV_LIBCTX_OF(ctx->provctx);
     int n;
 
+    if (params == NULL)
+        return 1;
+
     if (!ossl_prov_digest_load_from_params(&ctx->digest, params, provctx))
         return 0;
 

providers/implementations/kdfs/kbkdf.c

@@ -282,6 +282,9 @@ static int kbkdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     OSSL_LIB_CTX *libctx = PROV_LIBCTX_OF(ctx->provctx);
     const OSSL_PARAM *p;
 
+    if (params == NULL)
+        return 1;
+
     if (!ossl_prov_macctx_load_from_params(&ctx->ctx_init, params, NULL,
                                            NULL, NULL, libctx))
         return 0;

providers/implementations/kdfs/krb5kdf.c

@@ -136,6 +136,9 @@ static int krb5kdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     KRB5KDF_CTX *ctx = vctx;
     OSSL_LIB_CTX *provctx = PROV_LIBCTX_OF(ctx->provctx);
 
+    if (params == NULL)
+        return 1;
+
     if (!ossl_prov_cipher_load_from_params(&ctx->cipher, params, provctx))
         return 0;
 

providers/implementations/kdfs/pbkdf2.c

@@ -172,6 +172,9 @@ static int kdf_pbkdf2_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     int pkcs5;
     uint64_t iter, min_iter;
 
+    if (params == NULL)
+        return 1;
+
     if (!ossl_prov_digest_load_from_params(&ctx->digest, params, provctx))
         return 0;
 

providers/implementations/kdfs/pkcs12kdf.c

@@ -225,6 +225,9 @@ static int kdf_pkcs12_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     KDF_PKCS12 *ctx = vctx;
     OSSL_LIB_CTX *provctx = PROV_LIBCTX_OF(ctx->provctx);
 
+    if (params == NULL)
+        return 1;
+
     if (!ossl_prov_digest_load_from_params(&ctx->digest, params, provctx))
         return 0;
 

providers/implementations/kdfs/scrypt.c

@@ -185,6 +185,9 @@ static int kdf_scrypt_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     KDF_SCRYPT *ctx = vctx;
     uint64_t u64_value;
 
+    if (params == NULL)
+        return 1;
+
     if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_PASSWORD)) != NULL)
         if (!scrypt_set_membuf(&ctx->pass, &ctx->pass_len, p))
             return 0;

providers/implementations/kdfs/sshkdf.c

@@ -136,6 +136,9 @@ static int kdf_sshkdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     KDF_SSHKDF *ctx = vctx;
     OSSL_LIB_CTX *provctx = PROV_LIBCTX_OF(ctx->provctx);
 
+    if (params == NULL)
+        return 1;
+
     if (!ossl_prov_digest_load_from_params(&ctx->digest, params, provctx))
         return 0;
 

providers/implementations/kdfs/sskdf.c

@@ -449,6 +449,9 @@ static int sskdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     OSSL_LIB_CTX *libctx = PROV_LIBCTX_OF(ctx->provctx);
     size_t sz;
 
+    if (params == NULL)
+        return 1;
+
     if (!ossl_prov_digest_load_from_params(&ctx->digest, params, libctx))
         return 0;
 

providers/implementations/kdfs/tls1_prf.c

@@ -168,6 +168,9 @@ static int kdf_tls1_prf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     TLS1_PRF *ctx = vctx;
     OSSL_LIB_CTX *libctx = PROV_LIBCTX_OF(ctx->provctx);
 
+    if (params == NULL)
+        return 1;
+
     if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_DIGEST)) != NULL) {
         if (strcasecmp(p->data, SN_md5_sha1) == 0) {
             if (!ossl_prov_macctx_load_from_params(&ctx->P_hash, params,

providers/implementations/kdfs/x942kdf.c

@@ -472,6 +472,8 @@ static int x942kdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     const char *propq = NULL;
     size_t id;
 
+    if (params == NULL)
+        return 1;
     if (!ossl_prov_digest_load_from_params(&ctx->digest, params, provctx))
         return 0;