Add functions for setting the new EVP_PKEY_ASN1_METHOD functions

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5520)

4 files changed, 53 insertions, 2 deletions

diff --git a/crypto/asn1/ameth_lib.c b/crypto/asn1/ameth_lib.c
index f8171986f0..b5f0293fc0 100644
--- a/crypto/asn1/ameth_lib.c
+++ b/crypto/asn1/ameth_lib.c
@@ -400,3 +400,20 @@ void EVP_PKEY_asn1_set_param_check(EVP_PKEY_ASN1_METHOD *ameth,
 {
     ameth->pkey_param_check = pkey_param_check;
 }
+
+void EVP_PKEY_asn1_set_set_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
+                                    int (*set_priv_key) (EVP_PKEY *pk,
+                                                         const unsigned char
+                                                            *priv,
+                                                         size_t len))
+{
+    ameth->set_priv_key = set_priv_key;
+}
+
+void EVP_PKEY_asn1_set_set_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
+                                   int (*set_pub_key) (EVP_PKEY *pk,
+                                                       const unsigned char *pub,
+                                                       size_t len))
+{
+    ameth->set_pub_key = set_pub_key;
+}
diff --git a/doc/man3/EVP_PKEY_ASN1_METHOD.pod b/doc/man3/EVP_PKEY_ASN1_METHOD.pod
index cb03b473aa..9b635c480e 100644
--- a/doc/man3/EVP_PKEY_ASN1_METHOD.pod
+++ b/doc/man3/EVP_PKEY_ASN1_METHOD.pod
@@ -19,6 +19,8 @@ EVP_PKEY_asn1_set_check,
 EVP_PKEY_asn1_set_public_check,
 EVP_PKEY_asn1_set_param_check,
 EVP_PKEY_asn1_set_security_bits,
+EVP_PKEY_asn1_set_set_priv_key,
+EVP_PKEY_asn1_set_set_pub_key,
 EVP_PKEY_get0_asn1
 - manipulating and registering EVP_PKEY_ASN1_METHOD structure
 
@@ -112,6 +114,17 @@ EVP_PKEY_get0_asn1
                                       int (*pkey_security_bits) (const EVP_PKEY
                                                                  *pk));
 
+ void EVP_PKEY_asn1_set_set_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
+                                     int (*set_priv_key) (EVP_PKEY *pk,
+                                                          const unsigned char
+                                                             *priv,
+                                                          size_t len));
+
+ void EVP_PKEY_asn1_set_set_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
+                                    int (*set_pub_key) (EVP_PKEY *pk,
+                                                        const unsigned char *pub,
+                                                        size_t len));
+
  const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(const EVP_PKEY *pkey);
 
 =head1 DESCRIPTION
@@ -327,6 +340,14 @@ They MUST return 0 for an invalid key, or 1 for a valid key.
 They are called by L<EVP_PKEY_check(3)>, L<EVP_PKEY_public_check(3)> and
 L<EVP_PKEY_param_check(3)> respectively.
 
+ int (*set_priv_key) (EVP_PKEY *pk, const unsigned char *priv, size_t len);
+ int (*set_pub_key) (EVP_PKEY *pk, const unsigned char *pub, size_t len);
+
+The set_priv_key() and set_pub_key() methods are used to set the raw private and
+public key data for an EVP_PKEY. They MUST return 0 on error, or 1 on success.
+They are called by L<EVP_PKEY_new_private_key(3)>, and
+L<EVP_PKEY_new_public_key(3)> respectively.
+
 =head2 Functions
 
 EVP_PKEY_asn1_new() creates and returns a new B<EVP_PKEY_ASN1_METHOD>
@@ -368,8 +389,9 @@ EVP_PKEY_asn1_set_public(), EVP_PKEY_asn1_set_private(),
 EVP_PKEY_asn1_set_param(), EVP_PKEY_asn1_set_free(),
 EVP_PKEY_asn1_set_ctrl(), EVP_PKEY_asn1_set_item(),
 EVP_PKEY_asn1_set_siginf(), EVP_PKEY_asn1_set_check(),
-EVP_PKEY_asn1_set_public_check(), EVP_PKEY_asn1_set_param_check() and
-EVP_PKEY_asn1_set_security_bits() set the diverse methods of the given
+EVP_PKEY_asn1_set_public_check(), EVP_PKEY_asn1_set_param_check(),
+EVP_PKEY_asn1_set_security_bits(), EVP_PKEY_asn1_set_set_priv_key() and
+EVP_PKEY_asn1_set_set_pub_key() set the diverse methods of the given
 B<EVP_PKEY_ASN1_METHOD> object.
 
 EVP_PKEY_get0_asn1() finds the B<EVP_PKEY_ASN1_METHOD> associated
diff --git a/include/openssl/evp.h b/include/openssl/evp.h
index e8d46286d0..055f2b7df3 100644
--- a/include/openssl/evp.h
+++ b/include/openssl/evp.h
@@ -1230,6 +1230,16 @@ void EVP_PKEY_asn1_set_public_check(EVP_PKEY_ASN1_METHOD *ameth,
 void EVP_PKEY_asn1_set_param_check(EVP_PKEY_ASN1_METHOD *ameth,
                                    int (*pkey_param_check) (const EVP_PKEY *pk));
 
+void EVP_PKEY_asn1_set_set_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
+                                    int (*set_priv_key) (EVP_PKEY *pk,
+                                                         const unsigned char
+                                                            *priv,
+                                                         size_t len));
+void EVP_PKEY_asn1_set_set_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
+                                   int (*set_pub_key) (EVP_PKEY *pk,
+                                                       const unsigned char *pub,
+                                                       size_t len));
+
 void EVP_PKEY_asn1_set_security_bits(EVP_PKEY_ASN1_METHOD *ameth,
                                      int (*pkey_security_bits) (const EVP_PKEY
                                                                 *pk));
diff --git a/util/libcrypto.num b/util/libcrypto.num
index b74ed2bec2..1c6efc7fb6 100644
--- a/util/libcrypto.num
+++ b/util/libcrypto.num
@@ -4525,3 +4525,5 @@ RAND_DRBG_set_reseed_defaults           4466	1_1_1	EXIST::FUNCTION:
 EVP_PKEY_new_private_key                4467	1_1_1	EXIST::FUNCTION:
 EVP_PKEY_new_public_key                 4468	1_1_1	EXIST::FUNCTION:
 EVP_PKEY_new_CMAC_key                   4469	1_1_1	EXIST::FUNCTION:
+EVP_PKEY_asn1_set_set_priv_key          4470	1_1_1	EXIST::FUNCTION:
+EVP_PKEY_asn1_set_set_pub_key           4471	1_1_1	EXIST::FUNCTION: