Add missing EVP_PKEY_METHOD accessors for digestsign and digestverify

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

4 files changed, 94 insertions, 2 deletions

diff --git a/crypto/evp/pmeth_lib.c b/crypto/evp/pmeth_lib.c
index ce1b051..7563c80 100644
--- a/crypto/evp/pmeth_lib.c
+++ b/crypto/evp/pmeth_lib.c
@@ -1111,6 +1111,21 @@ 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))
 {
@@ -1303,6 +1318,23 @@ 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))
 {
diff --git a/doc/man3/EVP_PKEY_meth_new.pod b/doc/man3/EVP_PKEY_meth_new.pod
index d6cae71..643798f 100644
--- a/doc/man3/EVP_PKEY_meth_new.pod
+++ b/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,
diff --git a/include/openssl/evp.h b/include/openssl/evp.h
index e6b08d0..e661053 100644
--- a/include/openssl/evp.h
+++ b/include/openssl/evp.h
@@ -1683,6 +1683,20 @@ 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));
 
@@ -1788,6 +1802,20 @@ 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));
 
diff --git a/util/libcrypto.num b/util/libcrypto.num
index 6bdfcb3..0c2dc2c 100644
--- a/util/libcrypto.num
+++ b/util/libcrypto.num
@@ -4874,3 +4874,7 @@ EVP_PKEY_CTX_set0_rsa_oaep_label        ?	3_0_0	EXIST::FUNCTION:RSA
 EVP_PKEY_CTX_get0_rsa_oaep_label        ?	3_0_0	EXIST::FUNCTION:RSA
 EVP_PKEY_CTX_get_rsa_mgf1_md_name       ?	3_0_0	EXIST::FUNCTION:RSA
 EVP_PKEY_CTX_get_rsa_oaep_md_name       ?	3_0_0	EXIST::FUNCTION:RSA
+EVP_PKEY_meth_set_digestsign            ?	3_0_0	EXIST::FUNCTION:
+EVP_PKEY_meth_set_digestverify          ?	3_0_0	EXIST::FUNCTION:
+EVP_PKEY_meth_get_digestsign            ?	3_0_0	EXIST::FUNCTION:
+EVP_PKEY_meth_get_digestverify          ?	3_0_0	EXIST::FUNCTION: