extern const OSSL_DISPATCH dh_priv_pem_serializer_functions[];
extern const OSSL_DISPATCH dh_pub_pem_serializer_functions[];
extern const OSSL_DISPATCH dh_param_pem_serializer_functions[];
+extern const OSSL_DISPATCH dsa_priv_text_serializer_functions[];
+extern const OSSL_DISPATCH dsa_pub_text_serializer_functions[];
+extern const OSSL_DISPATCH dsa_param_text_serializer_functions[];
+extern const OSSL_DISPATCH dsa_priv_der_serializer_functions[];
+extern const OSSL_DISPATCH dsa_pub_der_serializer_functions[];
+extern const OSSL_DISPATCH dsa_param_der_serializer_functions[];
+extern const OSSL_DISPATCH dsa_priv_pem_serializer_functions[];
+extern const OSSL_DISPATCH dsa_pub_pem_serializer_functions[];
+extern const OSSL_DISPATCH dsa_param_pem_serializer_functions[];
$SERIALIZER_GOAL=../../libimplementations.a
$RSA_GOAL=../../libimplementations.a
$DH_GOAL=../../libimplementations.a
+$DSA_GOAL=../../libimplementations.a
SOURCE[$SERIALIZER_GOAL]=serializer_common.c
SOURCE[$RSA_GOAL]=serializer_rsa.c serializer_rsa_priv.c serializer_rsa_pub.c
SOURCE[$DH_GOAL]=serializer_dh.c serializer_dh_priv.c serializer_dh_pub.c serializer_dh_param.c
+SOURCE[$DSA_GOAL]=serializer_dsa.c serializer_dsa_priv.c serializer_dsa_pub.c serializer_dsa_param.c
--- /dev/null
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/dsa.h>
+#include <openssl/err.h>
+#include "prov/bio.h" /* ossl_prov_bio_printf() */
+#include "prov/implementations.h" /* rsa_keymgmt_functions */
+#include "prov/providercommonerr.h" /* PROV_R_BN_ERROR */
+#include "serializer_local.h"
+
+OSSL_OP_keymgmt_importkey_fn *ossl_prov_get_dsa_importkey(void)
+{
+ return ossl_prov_get_importkey(dsa_keymgmt_functions);
+}
+
+int ossl_prov_print_dsa(BIO *out, DSA *dsa, enum dsa_print_type type)
+{
+ const char *type_label = NULL;
+ const BIGNUM *priv_key = NULL, *pub_key = NULL;
+ const BIGNUM *p = NULL, *q = NULL, *g = NULL;
+
+
+ switch (type) {
+ case dsa_print_priv:
+ type_label = "Private-Key";
+ break;
+ case dsa_print_pub:
+ type_label = "Public-Key";
+ break;
+ case dsa_print_params:
+ type_label = "DSA-Parameters";
+ break;
+ }
+
+ if (type == dsa_print_priv) {
+ priv_key = DSA_get0_priv_key(dsa);
+ if (priv_key == NULL)
+ goto null_err;
+ }
+
+ if (type == dsa_print_priv || type == dsa_print_pub) {
+ pub_key = DSA_get0_pub_key(dsa);
+ if (pub_key == NULL)
+ goto null_err;
+ }
+
+ p = DSA_get0_p(dsa);
+ q = DSA_get0_q(dsa);
+ g = DSA_get0_p(dsa);
+
+ if (p == NULL || q == NULL || g == NULL)
+ goto null_err;
+
+ if (ossl_prov_bio_printf(out, "%s: (%d bit)\n", type_label, BN_num_bits(p))
+ <= 0)
+ goto err;
+ if (priv_key != NULL
+ && !ossl_prov_print_labeled_bignum(out, "priv:", priv_key))
+ goto err;
+ if (pub_key != NULL
+ && !ossl_prov_print_labeled_bignum(out, "pub: ", pub_key))
+ goto err;
+ if (!ossl_prov_print_labeled_bignum(out, "P: ", p))
+ goto err;
+ if (!ossl_prov_print_labeled_bignum(out, "Q: ", q))
+ goto err;
+ if (!ossl_prov_print_labeled_bignum(out, "G: ", g))
+ goto err;
+
+ return 1;
+ err:
+ return 0;
+ null_err:
+ ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
+ goto err;
+}
+
+int ossl_prov_prepare_dsa_params(const void *dsa, int nid,
+ ASN1_STRING **pstr, int *pstrtype)
+{
+ ASN1_STRING *params = ASN1_STRING_new();
+
+ if (params == NULL) {
+ ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ params->length = i2d_DSAparams(dsa, ¶ms->data);
+
+ if (params->length <= 0) {
+ ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
+ ASN1_STRING_free(params);
+ return 0;
+ }
+
+ *pstrtype = V_ASN1_SEQUENCE;
+ *pstr = params;
+ return 1;
+}
+
+int ossl_prov_prepare_all_dsa_params(const void *dsa, int nid,
+ ASN1_STRING **pstr, int *pstrtype)
+{
+ const BIGNUM *p = DSA_get0_p(dsa);
+ const BIGNUM *q = DSA_get0_q(dsa);
+ const BIGNUM *g = DSA_get0_g(dsa);
+
+ if (p != NULL && q != NULL && g != NULL)
+ return ossl_prov_prepare_dsa_params(dsa, nid, pstr, pstrtype);
+
+ *pstr = NULL;
+ *pstrtype = V_ASN1_UNDEF;
+ return 1;
+}
+
+int ossl_prov_dsa_pub_to_der(const void *dsa, unsigned char **pder)
+{
+ ASN1_INTEGER *pub_key = BN_to_ASN1_INTEGER(DSA_get0_pub_key(dsa), NULL);
+ int ret;
+
+ if (pub_key == NULL) {
+ ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR);
+ return 0;
+ }
+
+ ret = i2d_ASN1_INTEGER(pub_key, pder);
+
+ ASN1_STRING_clear_free(pub_key);
+ return ret;
+}
+
+int ossl_prov_dsa_priv_to_der(const void *dsa, unsigned char **pder)
+{
+ ASN1_INTEGER *priv_key = BN_to_ASN1_INTEGER(DSA_get0_priv_key(dsa), NULL);
+ int ret;
+
+ if (priv_key == NULL) {
+ ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR);
+ return 0;
+ }
+
+ ret = i2d_ASN1_INTEGER(priv_key, pder);
+
+ ASN1_STRING_clear_free(priv_key);
+ return ret;
+}
--- /dev/null
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/core_numbers.h>
+#include <openssl/pem.h>
+#include <openssl/dsa.h>
+#include <openssl/types.h>
+#include <openssl/params.h>
+#include "prov/bio.h"
+#include "prov/implementations.h"
+#include "prov/providercommonerr.h"
+#include "serializer_local.h"
+
+static OSSL_OP_serializer_newctx_fn dsa_param_newctx;
+static OSSL_OP_serializer_freectx_fn dsa_param_freectx;
+static OSSL_OP_serializer_serialize_data_fn dsa_param_der_data;
+static OSSL_OP_serializer_serialize_object_fn dsa_param_der;
+static OSSL_OP_serializer_serialize_data_fn dsa_param_pem_data;
+static OSSL_OP_serializer_serialize_object_fn dsa_param_pem;
+
+static OSSL_OP_serializer_serialize_data_fn dsa_param_print_data;
+static OSSL_OP_serializer_serialize_object_fn dsa_param_print;
+
+/* Parameters : context */
+
+/*
+ * There's no specific implementation context, so we use the provider context
+ */
+static void *dsa_param_newctx(void *provctx)
+{
+ return provctx;
+}
+
+static void dsa_param_freectx(void *ctx)
+{
+}
+
+/* Public key : DER */
+static int dsa_param_der_data(void *ctx, const OSSL_PARAM params[], BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
+ ossl_prov_get_dsa_importkey();
+ int ok = 0;
+
+ if (dsa_importkey != NULL) {
+ DSA *dsa = dsa_importkey(ctx, params); /* ctx == provctx */
+
+ ok = dsa_param_der(ctx, dsa, out, cb, cbarg);
+ DSA_free(dsa);
+ }
+ return ok;
+}
+
+static int dsa_param_der(void *ctx, void *dsa, BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ return i2d_DSAparams_bio(out, dsa);
+}
+
+/* Public key : PEM */
+static int dsa_param_pem_data(void *ctx, const OSSL_PARAM params[], BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
+ ossl_prov_get_dsa_importkey();
+ int ok = 0;
+
+ if (dsa_importkey != NULL) {
+ DSA *dsa = dsa_importkey(ctx, params); /* ctx == provctx */
+
+ ok = dsa_param_pem(ctx, dsa, out, cb, cbarg);
+ DSA_free(dsa);
+ }
+ return ok;
+}
+
+static int dsa_param_pem(void *ctx, void *dsa, BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ return PEM_write_bio_DSAparams(out, dsa);
+}
+
+static int dsa_param_print_data(void *ctx, const OSSL_PARAM params[], BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
+ ossl_prov_get_dsa_importkey();
+ int ok = 0;
+
+ if (dsa_importkey != NULL) {
+ DSA *dsa = dsa_importkey(ctx, params); /* ctx == provctx */
+
+ ok = dsa_param_print(ctx, dsa, out, cb, cbarg);
+ DSA_free(dsa);
+ }
+ return ok;
+}
+
+static int dsa_param_print(void *ctx, void *dsa, BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ return ossl_prov_print_dsa(out, dsa, dsa_print_params);
+}
+
+const OSSL_DISPATCH dsa_param_der_serializer_functions[] = {
+ { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_param_newctx },
+ { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_param_freectx },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_param_der_data },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_param_der },
+ { 0, NULL }
+};
+
+const OSSL_DISPATCH dsa_param_pem_serializer_functions[] = {
+ { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_param_newctx },
+ { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_param_freectx },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_param_pem_data },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_param_pem },
+ { 0, NULL }
+};
+
+const OSSL_DISPATCH dsa_param_text_serializer_functions[] = {
+ { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_param_newctx },
+ { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_param_freectx },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_param_print },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
+ (void (*)(void))dsa_param_print_data },
+ { 0, NULL }
+};
--- /dev/null
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/core_numbers.h>
+#include <openssl/core_names.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/dsa.h>
+#include <openssl/types.h>
+#include <openssl/params.h>
+#include "prov/bio.h"
+#include "prov/implementations.h"
+#include "serializer_local.h"
+
+static OSSL_OP_serializer_newctx_fn dsa_priv_newctx;
+static OSSL_OP_serializer_freectx_fn dsa_priv_freectx;
+static OSSL_OP_serializer_set_ctx_params_fn dsa_priv_set_ctx_params;
+static OSSL_OP_serializer_settable_ctx_params_fn dsa_priv_settable_ctx_params;
+static OSSL_OP_serializer_serialize_data_fn dsa_priv_der_data;
+static OSSL_OP_serializer_serialize_object_fn dsa_priv_der;
+static OSSL_OP_serializer_serialize_data_fn dsa_pem_priv_data;
+static OSSL_OP_serializer_serialize_object_fn dsa_pem_priv;
+
+static OSSL_OP_serializer_newctx_fn dsa_print_newctx;
+static OSSL_OP_serializer_freectx_fn dsa_print_freectx;
+static OSSL_OP_serializer_serialize_data_fn dsa_priv_print_data;
+static OSSL_OP_serializer_serialize_object_fn dsa_priv_print;
+
+ /*
+ * Context used for private key serialization.
+ */
+struct dsa_priv_ctx_st {
+ void *provctx;
+
+ struct pkcs8_encrypt_ctx_st sc;
+};
+
+/* Private key : context */
+static void *dsa_priv_newctx(void *provctx)
+{
+ struct dsa_priv_ctx_st *ctx = OPENSSL_zalloc(sizeof(*ctx));
+
+ if (ctx != NULL) {
+ ctx->provctx = provctx;
+ }
+
+ /* -1 is the "whatever" indicator, i.e. the PKCS8 library default PBE */
+ ctx->sc.pbe_nid = -1;
+
+ return ctx;
+}
+
+static void dsa_priv_freectx(void *vctx)
+{
+ struct dsa_priv_ctx_st *ctx = vctx;
+
+ EVP_CIPHER_free(ctx->sc.cipher);
+ OPENSSL_free(ctx->sc.cipher_pass);
+ OPENSSL_free(ctx);
+}
+
+static const OSSL_PARAM *dsa_priv_settable_ctx_params(void)
+{
+ static const OSSL_PARAM settables[] = {
+ OSSL_PARAM_utf8_string(OSSL_SERIALIZER_PARAM_CIPHER, NULL, 0),
+ OSSL_PARAM_octet_string(OSSL_SERIALIZER_PARAM_PASS, NULL, 0),
+ OSSL_PARAM_END,
+ };
+
+ return settables;
+}
+
+static int dsa_priv_set_ctx_params(void *vctx, const OSSL_PARAM params[])
+{
+ struct dsa_priv_ctx_st *ctx = vctx;
+ const OSSL_PARAM *p;
+
+ if ((p = OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_CIPHER))
+ != NULL) {
+ const OSSL_PARAM *propsp =
+ OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_PROPERTIES);
+ const char *props = NULL;
+
+ if (p->data_type != OSSL_PARAM_UTF8_STRING)
+ return 0;
+ if (propsp != NULL && propsp->data_type != OSSL_PARAM_UTF8_STRING)
+ return 0;
+ props = (propsp != NULL ? propsp->data : NULL);
+
+ EVP_CIPHER_free(ctx->sc.cipher);
+ ctx->sc.cipher_intent = p->data != NULL;
+ if (p->data != NULL
+ && ((ctx->sc.cipher = EVP_CIPHER_fetch(NULL, p->data, props))
+ == NULL))
+ return 0;
+ }
+ if ((p = OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_PASS))
+ != NULL) {
+ OPENSSL_free(ctx->sc.cipher_pass);
+ ctx->sc.cipher_pass = NULL;
+ if (!OSSL_PARAM_get_octet_string(p, &ctx->sc.cipher_pass, 0,
+ &ctx->sc.cipher_pass_length))
+ return 0;
+ }
+ return 1;
+}
+
+/* Private key : DER */
+static int dsa_priv_der_data(void *vctx, const OSSL_PARAM params[], BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ struct dsa_priv_ctx_st *ctx = vctx;
+ OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
+ ossl_prov_get_dsa_importkey();
+ int ok = 0;
+
+ if (dsa_importkey != NULL) {
+ DSA *dsa = dsa_importkey(ctx->provctx, params);
+
+ ok = dsa_priv_der(ctx, dsa, out, cb, cbarg);
+ DSA_free(dsa);
+ }
+ return ok;
+}
+
+static int dsa_priv_der(void *vctx, void *dsa, BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ struct dsa_priv_ctx_st *ctx = vctx;
+
+ ctx->sc.cb = cb;
+ ctx->sc.cbarg = cbarg;
+
+ return ossl_prov_write_priv_der_from_obj(out, dsa, EVP_PKEY_DSA,
+ ossl_prov_prepare_dsa_params,
+ ossl_prov_dsa_priv_to_der,
+ &ctx->sc);
+}
+
+/* Private key : PEM */
+static int dsa_pem_priv_data(void *vctx, const OSSL_PARAM params[], BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ struct dsa_priv_ctx_st *ctx = vctx;
+ OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
+ ossl_prov_get_dsa_importkey();
+ int ok = 0;
+
+ if (dsa_importkey != NULL) {
+ DSA *dsa = dsa_importkey(ctx, params);
+
+ ok = dsa_pem_priv(ctx->provctx, dsa, out, cb, cbarg);
+ DSA_free(dsa);
+ }
+ return ok;
+}
+
+static int dsa_pem_priv(void *vctx, void *dsa, BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ struct dsa_priv_ctx_st *ctx = vctx;
+
+ ctx->sc.cb = cb;
+ ctx->sc.cbarg = cbarg;
+
+ return ossl_prov_write_priv_pem_from_obj(out, dsa, EVP_PKEY_DSA,
+ ossl_prov_prepare_dsa_params,
+ ossl_prov_dsa_priv_to_der,
+ &ctx->sc);
+}
+
+/*
+ * There's no specific print context, so we use the provider context
+ */
+static void *dsa_print_newctx(void *provctx)
+{
+ return provctx;
+}
+
+static void dsa_print_freectx(void *ctx)
+{
+}
+
+static int dsa_priv_print_data(void *provctx, const OSSL_PARAM params[],
+ BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
+ ossl_prov_get_dsa_importkey();
+ int ok = 0;
+
+ if (dsa_importkey != NULL) {
+ DSA *dsa = dsa_importkey(provctx, params); /* ctx == provctx */
+
+ ok = dsa_priv_print(provctx, dsa, out, cb, cbarg);
+ DSA_free(dsa);
+ }
+ return ok;
+}
+
+static int dsa_priv_print(void *ctx, void *dsa, BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ return ossl_prov_print_dsa(out, dsa, dsa_print_priv);
+}
+
+const OSSL_DISPATCH dsa_priv_der_serializer_functions[] = {
+ { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_priv_newctx },
+ { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_priv_freectx },
+ { OSSL_FUNC_SERIALIZER_SET_CTX_PARAMS,
+ (void (*)(void))dsa_priv_set_ctx_params },
+ { OSSL_FUNC_SERIALIZER_SETTABLE_CTX_PARAMS,
+ (void (*)(void))dsa_priv_settable_ctx_params },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_priv_der_data },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_priv_der },
+ { 0, NULL }
+};
+
+const OSSL_DISPATCH dsa_priv_pem_serializer_functions[] = {
+ { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_priv_newctx },
+ { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_priv_freectx },
+ { OSSL_FUNC_SERIALIZER_SET_CTX_PARAMS,
+ (void (*)(void))dsa_priv_set_ctx_params },
+ { OSSL_FUNC_SERIALIZER_SETTABLE_CTX_PARAMS,
+ (void (*)(void))dsa_priv_settable_ctx_params },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pem_priv_data },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pem_priv },
+ { 0, NULL }
+};
+
+const OSSL_DISPATCH dsa_priv_text_serializer_functions[] = {
+ { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_print_newctx },
+ { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_print_freectx },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_priv_print },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
+ (void (*)(void))dsa_priv_print_data },
+ { 0, NULL }
+};
--- /dev/null
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/core_numbers.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/dsa.h>
+#include <openssl/types.h>
+#include <openssl/params.h>
+#include "prov/bio.h"
+#include "prov/implementations.h"
+#include "serializer_local.h"
+
+static OSSL_OP_serializer_newctx_fn dsa_pub_newctx;
+static OSSL_OP_serializer_freectx_fn dsa_pub_freectx;
+static OSSL_OP_serializer_serialize_data_fn dsa_pub_der_data;
+static OSSL_OP_serializer_serialize_object_fn dsa_pub_der;
+static OSSL_OP_serializer_serialize_data_fn dsa_pub_pem_data;
+static OSSL_OP_serializer_serialize_object_fn dsa_pub_pem;
+
+static OSSL_OP_serializer_serialize_data_fn dsa_pub_print_data;
+static OSSL_OP_serializer_serialize_object_fn dsa_pub_print;
+
+/* Public key : context */
+
+/*
+ * There's no specific implementation context, so we use the provider context
+ */
+static void *dsa_pub_newctx(void *provctx)
+{
+ return provctx;
+}
+
+static void dsa_pub_freectx(void *ctx)
+{
+}
+
+/* Public key : DER */
+static int dsa_pub_der_data(void *ctx, const OSSL_PARAM params[], BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
+ ossl_prov_get_dsa_importkey();
+ int ok = 0;
+
+ if (dsa_importkey != NULL) {
+ DSA *dsa = dsa_importkey(ctx, params); /* ctx == provctx */
+
+ ok = dsa_pub_der(ctx, dsa, out, cb, cbarg);
+ DSA_free(dsa);
+ }
+ return ok;
+}
+
+static int dsa_pub_der(void *ctx, void *dsa, BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ /*
+ * TODO(v3.0) implement setting save_parameters, see dsa_pub_encode()
+ * in crypto/dsa/dsa_ameth.c
+ */
+ int save_parameters = 1;
+
+ return
+ save_parameters
+ ? ossl_prov_write_pub_der_from_obj(out, dsa, EVP_PKEY_DSA,
+ ossl_prov_prepare_all_dsa_params,
+ ossl_prov_dsa_pub_to_der)
+ : ossl_prov_write_pub_der_from_obj(out, dsa, EVP_PKEY_DSA,
+ ossl_prov_prepare_dsa_params,
+ ossl_prov_dsa_pub_to_der);
+
+}
+
+/* Public key : PEM */
+static int dsa_pub_pem_data(void *ctx, const OSSL_PARAM params[], BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
+ ossl_prov_get_dsa_importkey();
+ int ok = 0;
+
+ if (dsa_importkey != NULL) {
+ DSA *dsa = dsa_importkey(ctx, params); /* ctx == provctx */
+
+ ok = dsa_pub_pem(ctx, dsa, out, cb, cbarg);
+ DSA_free(dsa);
+ }
+ return ok;
+}
+
+static int dsa_pub_pem(void *ctx, void *dsa, BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ return ossl_prov_write_pub_pem_from_obj(out, dsa, EVP_PKEY_DSA,
+ ossl_prov_prepare_dsa_params,
+ ossl_prov_dsa_pub_to_der);
+}
+
+static int dsa_pub_print_data(void *ctx, const OSSL_PARAM params[], BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
+ ossl_prov_get_dsa_importkey();
+ int ok = 0;
+
+ if (dsa_importkey != NULL) {
+ DSA *dsa = dsa_importkey(ctx, params); /* ctx == provctx */
+
+ ok = dsa_pub_print(ctx, dsa, out, cb, cbarg);
+ DSA_free(dsa);
+ }
+ return ok;
+}
+
+static int dsa_pub_print(void *ctx, void *dsa, BIO *out,
+ OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
+{
+ return ossl_prov_print_dsa(out, dsa, 0);
+}
+
+const OSSL_DISPATCH dsa_pub_der_serializer_functions[] = {
+ { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
+ { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pub_der_data },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_der },
+ { 0, NULL }
+};
+
+const OSSL_DISPATCH dsa_pub_pem_serializer_functions[] = {
+ { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
+ { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pub_pem_data },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_pem },
+ { 0, NULL }
+};
+
+const OSSL_DISPATCH dsa_pub_text_serializer_functions[] = {
+ { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
+ { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_print },
+ { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
+ (void (*)(void))dsa_pub_print_data },
+ { 0, NULL }
+};
OSSL_OP_keymgmt_importkey_fn *ossl_prov_get_rsa_importkey(void);
OSSL_OP_keymgmt_importkey_fn *ossl_prov_get_dh_importkey(void);
+OSSL_OP_keymgmt_importkey_fn *ossl_prov_get_dsa_importkey(void);
int ossl_prov_prepare_dh_params(const void *dh, int nid,
ASN1_STRING **pstr, int *pstrtype);
int ossl_prov_dh_pub_to_der(const void *dh, unsigned char **pder);
int ossl_prov_dh_priv_to_der(const void *dh, unsigned char **pder);
+int ossl_prov_prepare_dsa_params(const void *dsa, int nid,
+ ASN1_STRING **pstr, int *pstrtype);
+/*
+ * Special variant of ossl_prov_prepare_dsa_params() that requires all
+ * three parameters (P, Q and G) to be set. This is used when serializing
+ * the public key.
+ */
+int ossl_prov_prepare_all_dsa_params(const void *dsa, int nid,
+ ASN1_STRING **pstr, int *pstrtype);
+int ossl_prov_dsa_pub_to_der(const void *dsa, unsigned char **pder);
+int ossl_prov_dsa_priv_to_der(const void *dsa, unsigned char **pder);
+
int ossl_prov_print_labeled_bignum(BIO *out, const char *label,
const BIGNUM *n);
int ossl_prov_print_rsa(BIO *out, RSA *rsa, int priv);
int ossl_prov_print_dh(BIO *out, DH *dh, enum dh_print_type type);
+enum dsa_print_type {
+ dsa_print_priv,
+ dsa_print_pub,
+ dsa_print_params
+};
+
+int ossl_prov_print_dsa(BIO *out, DSA *dsa, enum dsa_print_type type);
+
int ossl_prov_write_priv_der_from_obj(BIO *out, const void *obj, int obj_nid,
int (*p2s)(const void *obj, int nid,
ASN1_STRING **str,