Add missing EVP_PKEY_METHOD accessors for digestsign and digestverify

Reviewed-by: NPaul Dale <paul.dale@oracle.com>
Reviewed-by: NMatthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/10388)

(cherry picked from commit 2555285fa5e4248ad4a5a0bc14ae4606443856c2)

crypto/evp/pmeth_lib.c

@@ -642,6 +642,21 @@ void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
     pmeth->ctrl_str = ctrl_str;
 }
 
+void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
+    int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
+                       const unsigned char *tbs, size_t tbslen))
+{
+    pmeth->digestsign = digestsign;
+}
+
+void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
+    int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
+                         size_t siglen, const unsigned char *tbs,
+                         size_t tbslen))
+{
+    pmeth->digestverify = digestverify;
+}
+
 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
                              int (*check) (EVP_PKEY *pkey))
 {
@@ -834,6 +849,23 @@ void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
         *pctrl_str = pmeth->ctrl_str;
 }
 
+void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
+    int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
+                        const unsigned char *tbs, size_t tbslen))
+{
+    if (digestsign)
+        *digestsign = pmeth->digestsign;
+}
+
+void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
+    int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
+                          size_t siglen, const unsigned char *tbs,
+                          size_t tbslen))
+{
+    if (digestverify)
+        *digestverify = pmeth->digestverify;
+}
+
 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
                              int (**pcheck) (EVP_PKEY *pkey))
 {

doc/man3/EVP_PKEY_meth_new.pod

@@ -8,14 +8,18 @@ EVP_PKEY_meth_set_init, EVP_PKEY_meth_set_copy, EVP_PKEY_meth_set_cleanup,
 EVP_PKEY_meth_set_paramgen, EVP_PKEY_meth_set_keygen, EVP_PKEY_meth_set_sign,
 EVP_PKEY_meth_set_verify, EVP_PKEY_meth_set_verify_recover, EVP_PKEY_meth_set_signctx,
 EVP_PKEY_meth_set_verifyctx, EVP_PKEY_meth_set_encrypt, EVP_PKEY_meth_set_decrypt,
-EVP_PKEY_meth_set_derive, EVP_PKEY_meth_set_ctrl, EVP_PKEY_meth_set_check,
+EVP_PKEY_meth_set_derive, EVP_PKEY_meth_set_ctrl,
+EVP_PKEY_meth_set_digestsign, EVP_PKEY_meth_set_digestverify,
+EVP_PKEY_meth_set_check,
 EVP_PKEY_meth_set_public_check, EVP_PKEY_meth_set_param_check,
 EVP_PKEY_meth_set_digest_custom,
 EVP_PKEY_meth_get_init, EVP_PKEY_meth_get_copy, EVP_PKEY_meth_get_cleanup,
 EVP_PKEY_meth_get_paramgen, EVP_PKEY_meth_get_keygen, EVP_PKEY_meth_get_sign,
 EVP_PKEY_meth_get_verify, EVP_PKEY_meth_get_verify_recover, EVP_PKEY_meth_get_signctx,
 EVP_PKEY_meth_get_verifyctx, EVP_PKEY_meth_get_encrypt, EVP_PKEY_meth_get_decrypt,
-EVP_PKEY_meth_get_derive, EVP_PKEY_meth_get_ctrl, EVP_PKEY_meth_get_check,
+EVP_PKEY_meth_get_derive, EVP_PKEY_meth_get_ctrl,
+EVP_PKEY_meth_get_digestsign, EVP_PKEY_meth_get_digestverify,
+EVP_PKEY_meth_get_check,
 EVP_PKEY_meth_get_public_check, EVP_PKEY_meth_get_param_check,
 EVP_PKEY_meth_get_digest_custom,
 EVP_PKEY_meth_remove
@@ -112,6 +116,18 @@ EVP_PKEY_meth_remove
                              int (*ctrl_str) (EVP_PKEY_CTX *ctx,
                                               const char *type,
                                               const char *value));
+ void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
+                                   int (*digestsign) (EVP_MD_CTX *ctx,
+                                                      unsigned char *sig,
+                                                      size_t *siglen,
+                                                      const unsigned char *tbs,
+                                                      size_t tbslen));
+ void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
+                                     int (*digestverify) (EVP_MD_CTX *ctx,
+                                                          const unsigned char *sig,
+                                                          size_t siglen,
+                                                          const unsigned char *tbs,
+                                                          size_t tbslen));
  void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
                               int (*check) (EVP_PKEY *pkey));
  void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
@@ -200,6 +216,18 @@ EVP_PKEY_meth_remove
                              int (**pctrl_str) (EVP_PKEY_CTX *ctx,
                                                 const char *type,
                                                 const char *value));
+ void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
+                                   int (**digestsign) (EVP_MD_CTX *ctx,
+                                                       unsigned char *sig,
+                                                       size_t *siglen,
+                                                       const unsigned char *tbs,
+                                                       size_t tbslen));
+ void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
+                                     int (**digestverify) (EVP_MD_CTX *ctx,
+                                                           const unsigned char *sig,
+                                                           size_t siglen,
+                                                           const unsigned char *tbs,
+                                                           size_t tbslen));
  void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
                               int (**pcheck) (EVP_PKEY *pkey));
  void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,

include/openssl/evp.h

@@ -1512,6 +1512,20 @@ void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
                                              const char *type,
                                              const char *value));
 
+void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
+                                  int (*digestsign) (EVP_MD_CTX *ctx,
+                                                     unsigned char *sig,
+                                                     size_t *siglen,
+                                                     const unsigned char *tbs,
+                                                     size_t tbslen));
+
+void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
+                                    int (*digestverify) (EVP_MD_CTX *ctx,
+                                                         const unsigned char *sig,
+                                                         size_t siglen,
+                                                         const unsigned char *tbs,
+                                                         size_t tbslen));
+
 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
                              int (*check) (EVP_PKEY *pkey));
 
@@ -1617,6 +1631,20 @@ void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
                                                const char *type,
                                                const char *value));
 
+void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
+                                  int (**digestsign) (EVP_MD_CTX *ctx,
+                                                      unsigned char *sig,
+                                                      size_t *siglen,
+                                                      const unsigned char *tbs,
+                                                      size_t tbslen));
+
+void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
+                                    int (**digestverify) (EVP_MD_CTX *ctx,
+                                                          const unsigned char *sig,
+                                                          size_t siglen,
+                                                          const unsigned char *tbs,
+                                                          size_t tbslen));
+
 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
                              int (**pcheck) (EVP_PKEY *pkey));
 

util/libcrypto.num

@@ -4582,3 +4582,7 @@ OPENSSL_INIT_set_config_file_flags      4535	1_1_1b	EXIST::FUNCTION:STDIO
 EVP_PKEY_get0_engine                    4536	1_1_1c	EXIST::FUNCTION:ENGINE
 X509_get0_authority_serial              4537	1_1_1d	EXIST::FUNCTION:
 X509_get0_authority_issuer              4538	1_1_1d	EXIST::FUNCTION:
+EVP_PKEY_meth_set_digestsign            4539	1_1_1e	EXIST::FUNCTION:
+EVP_PKEY_meth_set_digestverify          4540	1_1_1e	EXIST::FUNCTION:
+EVP_PKEY_meth_get_digestverify          4541	1_1_1e	EXIST::FUNCTION:
+EVP_PKEY_meth_get_digestsign            4542	1_1_1e	EXIST::FUNCTION: