cmdline app: add provider commandline options.

Add a -provider option to allow providers to be loaded. This option can be
specified multiple times.

Add a -provider_path option to allow the path to providers to be specified.

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/11167)

47 files changed, 369 insertions, 44 deletions

diff --git a/apps/ca.c b/apps/ca.c
index f201efe3af..84e1905d38 100644
--- a/apps/ca.c
+++ b/apps/ca.c
@@ -148,7 +148,7 @@ typedef enum OPTION_choice {
     OPT_INFILES, OPT_SS_CERT, OPT_SPKAC, OPT_REVOKE, OPT_VALID,
     OPT_EXTENSIONS, OPT_EXTFILE, OPT_STATUS, OPT_UPDATEDB, OPT_CRLEXTS,
     OPT_RAND_SERIAL,
-    OPT_R_ENUM, OPT_SM2ID, OPT_SM2HEXID,
+    OPT_R_ENUM, OPT_SM2ID, OPT_SM2HEXID, OPT_PROV_ENUM,
     /* Do not change the order here; see related case statements below */
     OPT_CRL_REASON, OPT_CRL_HOLD, OPT_CRL_COMPROMISE, OPT_CRL_CA_COMPROMISE
 } OPTION_CHOICE;
@@ -237,6 +237,7 @@ const OPTIONS ca_options[] = {
     {"revoke", OPT_REVOKE, '<', "Revoke a cert (given in file)"},
 
     OPT_R_OPTIONS,
+    OPT_PROV_OPTIONS,
 
     OPT_PARAMETERS(),
     {"certreq", 0, 0, "Certificate requests to be signed (optional)"},
@@ -361,6 +362,10 @@ opthelp:
             if (!opt_rand(o))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         case OPT_KEY:
             key = opt_arg();
             break;
diff --git a/apps/ciphers.c b/apps/ciphers.c
index 280a5ab477..9bbc12aeec 100644
--- a/apps/ciphers.c
+++ b/apps/ciphers.c
@@ -27,7 +27,7 @@ typedef enum OPTION_choice {
     OPT_PSK,
     OPT_SRP,
     OPT_CIPHERSUITES,
-    OPT_V, OPT_UPPER_V, OPT_S
+    OPT_V, OPT_UPPER_V, OPT_S, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS ciphers_options[] = {
@@ -67,6 +67,7 @@ const OPTIONS ciphers_options[] = {
 #endif
     {"ciphersuites", OPT_CIPHERSUITES, 's',
      "Configure the TLSv1.3 ciphersuites to use"},
+    OPT_PROV_OPTIONS,
 
     OPT_PARAMETERS(),
     {"cipher", 0, 0, "Cipher string to decode (optional)"},
@@ -169,6 +170,10 @@ int ciphers_main(int argc, char **argv)
         case OPT_CIPHERSUITES:
             ciphersuites = opt_arg();
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         }
     }
     argv = opt_rest();
diff --git a/apps/cms.c b/apps/cms.c
index 9c92e79658..c8c303ea37 100644
--- a/apps/cms.c
+++ b/apps/cms.c
@@ -83,6 +83,7 @@ typedef enum OPTION_choice {
     OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
     OPT_3DES_WRAP, OPT_WRAP, OPT_ENGINE,
     OPT_R_ENUM,
+    OPT_PROV_ENUM,
     OPT_V_ENUM,
     OPT_CIPHER,
     OPT_ORIGINATOR
@@ -220,6 +221,7 @@ const OPTIONS cms_options[] = {
 
     OPT_R_OPTIONS,
     OPT_V_OPTIONS,
+    OPT_PROV_OPTIONS,
 
     OPT_PARAMETERS(),
     {"cert", 0, 0, "Recipient certs (optional; used only when encrypting)"},
@@ -621,6 +623,10 @@ int cms_main(int argc, char **argv)
             if (!opt_rand(o))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         case OPT_3DES_WRAP:
 # ifndef OPENSSL_NO_DES
             wrap_cipher = EVP_des_ede3_wrap();
diff --git a/apps/crl.c b/apps/crl.c
index 14410f3512..5e0a517a1b 100644
--- a/apps/crl.c
+++ b/apps/crl.c
@@ -24,7 +24,7 @@ typedef enum OPTION_choice {
     OPT_ISSUER, OPT_LASTUPDATE, OPT_NEXTUPDATE, OPT_FINGERPRINT,
     OPT_CRLNUMBER, OPT_BADSIG, OPT_GENDELTA, OPT_CAPATH, OPT_CAFILE, OPT_CASTORE,
     OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_VERIFY, OPT_TEXT, OPT_HASH,
-    OPT_HASH_OLD, OPT_NOOUT, OPT_NAMEOPT, OPT_MD
+    OPT_HASH_OLD, OPT_NOOUT, OPT_NAMEOPT, OPT_MD, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS crl_options[] = {
@@ -69,6 +69,7 @@ const OPTIONS crl_options[] = {
      "Do not load certificates from the default certificates directory"},
     {"no-CAstore", OPT_NOCASTORE, '-',
      "Do not load certificates from the default certificates store"},
+    OPT_PROV_OPTIONS,
     {NULL}
 };
 
@@ -193,6 +194,11 @@ int crl_main(int argc, char **argv)
         case OPT_MD:
             if (!opt_md(opt_unknown(), &digest))
                 goto opthelp;
+            break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         }
     }
     argc = opt_num_rest();
diff --git a/apps/crl2p7.c b/apps/crl2p7.c
index ffbee4cbff..53bc88f750 100644
--- a/apps/crl2p7.c
+++ b/apps/crl2p7.c
@@ -23,7 +23,8 @@ static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile);
 
 typedef enum OPTION_choice {
     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
-    OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_NOCRL, OPT_CERTFILE
+    OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_NOCRL, OPT_CERTFILE,
+    OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS crl2pkcs7_options[] = {
@@ -40,6 +41,8 @@ const OPTIONS crl2pkcs7_options[] = {
     OPT_SECTION("Output"),
     {"out", OPT_OUT, '>', "Output file"},
     {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
+
+    OPT_PROV_OPTIONS,
     {NULL}
 };
 
@@ -93,6 +96,10 @@ int crl2pkcs7_main(int argc, char **argv)
             if (!sk_OPENSSL_STRING_push(certflst, opt_arg()))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         }
     }
     argc = opt_num_rest();
diff --git a/apps/dgst.c b/apps/dgst.c
index 7a81cb28dc..dcb4c094c7 100644
--- a/apps/dgst.c
+++ b/apps/dgst.c
@@ -42,7 +42,7 @@ typedef enum OPTION_choice {
     OPT_HEX, OPT_BINARY, OPT_DEBUG, OPT_FIPS_FINGERPRINT,
     OPT_HMAC, OPT_MAC, OPT_SIGOPT, OPT_MACOPT,
     OPT_DIGEST,
-    OPT_R_ENUM
+    OPT_R_ENUM, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS dgst_options[] = {
@@ -82,6 +82,7 @@ const OPTIONS dgst_options[] = {
      "Compute HMAC with the key used in OpenSSL-FIPS fingerprint"},
 
     OPT_R_OPTIONS,
+    OPT_PROV_OPTIONS,
 
     OPT_PARAMETERS(),
     {"file", 0, 0, "Files to digest (optional; default is stdin)"},
@@ -208,6 +209,10 @@ int dgst_main(int argc, char **argv)
                 goto opthelp;
             md = m;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         }
     }
     argc = opt_num_rest();
diff --git a/apps/dhparam.c b/apps/dhparam.c
index acff366158..3f694c5a35 100644
--- a/apps/dhparam.c
+++ b/apps/dhparam.c
@@ -41,7 +41,7 @@ typedef enum OPTION_choice {
     OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
     OPT_ENGINE, OPT_CHECK, OPT_TEXT, OPT_NOOUT,
     OPT_DSAPARAM, OPT_C, OPT_2, OPT_3, OPT_5,
-    OPT_R_ENUM
+    OPT_R_ENUM, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS dhparam_options[] = {
@@ -73,6 +73,7 @@ const OPTIONS dhparam_options[] = {
     {"5", OPT_5, '-', "Generate parameters using 5 as the generator value"},
 
     OPT_R_OPTIONS,
+    OPT_PROV_OPTIONS,
 
     OPT_PARAMETERS(),
     {"numbits", 0, 0, "Number of bits if generating parameters (optional)"},
@@ -151,6 +152,10 @@ int dhparam_main(int argc, char **argv)
             if (!opt_rand(o))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         }
     }
     argc = opt_num_rest();
diff --git a/apps/dsa.c b/apps/dsa.c
index 9704a34c39..082aa96476 100644
--- a/apps/dsa.c
+++ b/apps/dsa.c
@@ -35,7 +35,8 @@ typedef enum OPTION_choice {
     /* Do not change the order here; see case statements below */
     OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
     OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN,
-    OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT
+    OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT,
+    OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS dsa_options[] = {
@@ -66,6 +67,7 @@ const OPTIONS dsa_options[] = {
     {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
 
+    OPT_PROV_OPTIONS,
     {NULL}
 };
 
@@ -147,6 +149,10 @@ int dsa_main(int argc, char **argv)
             if (!opt_cipher(opt_unknown(), &enc))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         }
     }
     argc = opt_num_rest();
diff --git a/apps/dsaparam.c b/apps/dsaparam.c
index eebffa0ee5..04e09e7950 100644
--- a/apps/dsaparam.c
+++ b/apps/dsaparam.c
@@ -36,7 +36,7 @@ typedef enum OPTION_choice {
     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
     OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_TEXT, OPT_C,
     OPT_NOOUT, OPT_GENKEY, OPT_ENGINE, OPT_VERBOSE,
-    OPT_R_ENUM
+    OPT_R_ENUM, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS dsaparam_options[] = {
@@ -62,6 +62,7 @@ const OPTIONS dsaparam_options[] = {
     {"genkey", OPT_GENKEY, '-', "Generate a DSA key"},
 
     OPT_R_OPTIONS,
+    OPT_PROV_OPTIONS,
 
     OPT_PARAMETERS(),
     {"numbits", 0, 0, "Number of bits if generating parameters (optional)"},
@@ -122,6 +123,10 @@ int dsaparam_main(int argc, char **argv)
             if (!opt_rand(o))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         case OPT_NOOUT:
             noout = 1;
             break;
diff --git a/apps/ec.c b/apps/ec.c
index 3d901bbad3..6a3879922c 100644
--- a/apps/ec.c
+++ b/apps/ec.c
@@ -40,7 +40,7 @@ typedef enum OPTION_choice {
     OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
     OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT,
     OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER,
-    OPT_NO_PUBLIC, OPT_CHECK
+    OPT_NO_PUBLIC, OPT_CHECK, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS ec_options[] = {
@@ -70,6 +70,8 @@ const OPTIONS ec_options[] = {
     {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
     {"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"},
     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+
+    OPT_PROV_OPTIONS,
     {NULL}
 };
 
@@ -161,6 +163,10 @@ int ec_main(int argc, char **argv)
         case OPT_CHECK:
             check = 1;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         }
     }
     argc = opt_num_rest();
diff --git a/apps/ecparam.c b/apps/ecparam.c
index 307eb1f37e..ed4f4f1fd8 100644
--- a/apps/ecparam.c
+++ b/apps/ecparam.c
@@ -31,7 +31,7 @@ typedef enum OPTION_choice {
     OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_TEXT, OPT_C,
     OPT_CHECK, OPT_LIST_CURVES, OPT_NO_SEED, OPT_NOOUT, OPT_NAME,
     OPT_CONV_FORM, OPT_PARAM_ENC, OPT_GENKEY, OPT_ENGINE, OPT_CHECK_NAMED,
-    OPT_R_ENUM
+    OPT_R_ENUM, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS ecparam_options[] = {
@@ -67,6 +67,7 @@ const OPTIONS ecparam_options[] = {
     {"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "},
 
     OPT_R_OPTIONS,
+    OPT_PROV_OPTIONS,
     {NULL}
 };
 
@@ -169,6 +170,10 @@ int ecparam_main(int argc, char **argv)
             if (!opt_rand(o))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         case OPT_ENGINE:
             e = setup_engine(opt_arg(), 0);
             break;
diff --git a/apps/enc.c b/apps/enc.c
index 2b23564fab..74fd6f8469 100644
--- a/apps/enc.c
+++ b/apps/enc.c
@@ -45,7 +45,7 @@ typedef enum OPTION_choice {
     OPT_NOPAD, OPT_SALT, OPT_NOSALT, OPT_DEBUG, OPT_UPPER_P, OPT_UPPER_A,
     OPT_A, OPT_Z, OPT_BUFSIZE, OPT_K, OPT_KFILE, OPT_UPPER_K, OPT_NONE,
     OPT_UPPER_S, OPT_IV, OPT_MD, OPT_ITER, OPT_PBKDF2, OPT_CIPHER,
-    OPT_R_ENUM
+    OPT_R_ENUM, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS enc_options[] = {
@@ -97,6 +97,7 @@ const OPTIONS enc_options[] = {
     {"", OPT_CIPHER, '-', "Any supported cipher"},
 
     OPT_R_OPTIONS,
+    OPT_PROV_OPTIONS,
     {NULL}
 };
 
@@ -288,6 +289,10 @@ int enc_main(int argc, char **argv)
             if (!opt_rand(o))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         }
     }
     if (opt_num_rest() != 0) {
diff --git a/apps/gendsa.c b/apps/gendsa.c
index a64ac16a97..cf24416bd7 100644
--- a/apps/gendsa.c
+++ b/apps/gendsa.c
@@ -31,7 +31,7 @@ NON_EMPTY_TRANSLATION_UNIT
 typedef enum OPTION_choice {
     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
     OPT_OUT, OPT_PASSOUT, OPT_ENGINE, OPT_CIPHER, OPT_VERBOSE,
-    OPT_R_ENUM
+    OPT_R_ENUM, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS gendsa_options[] = {
@@ -47,6 +47,7 @@ const OPTIONS gendsa_options[] = {
     {"out", OPT_OUT, '>', "Output the key to the specified file"},
     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
     OPT_R_OPTIONS,
+    OPT_PROV_OPTIONS,
     {"", OPT_CIPHER, '-', "Encrypt the output with any supported cipher"},
     {"verbose", OPT_VERBOSE, '-', "Verbose output"},
 
@@ -92,6 +93,10 @@ int gendsa_main(int argc, char **argv)
             if (!opt_rand(o))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         case OPT_CIPHER:
             if (!opt_cipher(opt_unknown(), &enc))
                 goto end;
diff --git a/apps/genpkey.c b/apps/genpkey.c
index 3ae508c1c8..ef2979dd55 100644
--- a/apps/genpkey.c
+++ b/apps/genpkey.c
@@ -24,7 +24,8 @@ static int genpkey_cb(EVP_PKEY_CTX *ctx);
 typedef enum OPTION_choice {
     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
     OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE,
-    OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER
+    OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER,
+    OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS genpkey_options[] = {
@@ -46,6 +47,8 @@ const OPTIONS genpkey_options[] = {
     {"text", OPT_TEXT, '-', "Print the in text"},
     {"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"},
 
+    OPT_PROV_OPTIONS,
+
     /* This is deliberately last. */
     {OPT_HELP_STR, 1, 1,
      "Order of options may be important!  See the documentation.\n"},
@@ -131,6 +134,11 @@ int genpkey_main(int argc, char **argv)
                 BIO_printf(bio_err, "%s: cipher mode not supported\n", prog);
                 goto end;
             }
+            break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         }
     }
     argc = opt_num_rest();
diff --git a/apps/genrsa.c b/apps/genrsa.c
index c45fe19b12..3f76d9bada 100644
--- a/apps/genrsa.c
+++ b/apps/genrsa.c
@@ -41,7 +41,7 @@ typedef enum OPTION_choice {
     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
     OPT_3, OPT_F4, OPT_ENGINE,
     OPT_OUT, OPT_PASSOUT, OPT_CIPHER, OPT_PRIMES, OPT_VERBOSE,
-    OPT_R_ENUM
+    OPT_R_ENUM, OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS genrsa_options[] = {
@@ -66,6 +66,7 @@ const OPTIONS genrsa_options[] = {
     {"", OPT_CIPHER, '-', "Encrypt the output with any supported cipher"},
 
     OPT_R_OPTIONS,
+    OPT_PROV_OPTIONS,
 
     OPT_PARAMETERS(),
     {"numbits", 0, 0, "Size of key in bits"},
@@ -121,6 +122,10 @@ opthelp:
             if (!opt_rand(o))
                 goto end;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto end;
+            break;
         case OPT_PASSOUT:
             passoutarg = opt_arg();
             break;
diff --git a/apps/include/opt.h b/apps/include/opt.h
index ac2c236024..b4257cca7d 100644
--- a/apps/include/opt.h
+++ b/apps/include/opt.h
@@ -266,6 +266,24 @@
         case OPT_R_RAND: case OPT_R_WRITERAND
 
 /*
+ * Provider options.
+ */
+# define OPT_PROV_ENUM \
+        OPT_PROV__FIRST=1600, \
+        OPT_PROV_PROVIDER, OPT_PROV_PROVIDER_PATH, \
+        OPT_PROV__LAST
+
+# define OPT_PROV_OPTIONS \
+        OPT_SECTION("Provider"), \
+        { "provider", OPT_PROV_PROVIDER, 's', "Provder to load (can be specified multiple times)" }, \
+        { "provider_path", OPT_PROV_PROVIDER_PATH, 's', "Provider load path" }
+
+# define OPT_PROV_CASES \
+        OPT_PROV__FIRST: case OPT_PROV__LAST: break; \
+        case OPT_PROV_PROVIDER: \
+        case OPT_PROV_PROVIDER_PATH
+
+/*
  * Option parsing.
  */
 extern const char OPT_HELP_STR[];
@@ -348,6 +366,7 @@ char **opt_rest(void);
 int opt_num_rest(void);
 int opt_verify(int i, X509_VERIFY_PARAM *vpm);
 int opt_rand(int i);
+int opt_provider(int i);
 void opt_help(const OPTIONS * list);
 void opt_print(const OPTIONS * opt, int doingparams, int width);
 int opt_format_error(const char *s, unsigned long flags);
diff --git a/apps/kdf.c b/apps/kdf.c
index 82818f1ff3..0162ac899a 100644
--- a/apps/kdf.c
+++ b/apps/kdf.c
@@ -19,7 +19,8 @@
 
 typedef enum OPTION_choice {
     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
-    OPT_KDFOPT, OPT_BIN, OPT_KEYLEN, OPT_OUT
+    OPT_KDFOPT, OPT_BIN, OPT_KEYLEN, OPT_OUT,
+    OPT_PROV_ENUM
 } OPTION_CHOICE;
 
 const OPTIONS kdf_options[] = {
@@ -36,6 +37,8 @@ const OPTIONS kdf_options[] = {
     {"binary", OPT_BIN, '-',
         "Output in binary format (default is hexadecimal)"},
 
+    OPT_PROV_OPTIONS,
+
     OPT_PARAMETERS(),
     {"kdf_name", 0, 0, "Name of the KDF algorithm"},
     {NULL}
@@ -80,6 +83,10 @@ opthelp:
             if (opts == NULL || !sk_OPENSSL_STRING_push(opts, opt_arg()))
                 goto opthelp;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                goto err;
+            break;
         }
     }
     argc = opt_num_rest();
diff --git a/apps/lib/app_provider.c b/apps/lib/app_provider.c
new file mode 100644
index 0000000000..ac01e8826b
--- /dev/null
+++ b/apps/lib/app_provider.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2020 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 "apps.h"
+#include <openssl/err.h>
+#include <openssl/provider.h>
+
+/*
+ * See comments in opt_verify for explanation of this.
+ */
+enum prov_range { OPT_PROV_ENUM };
+
+static int opt_provider_load(const char *provider)
+{
+    OSSL_PROVIDER *prov;
+
+    prov = OSSL_PROVIDER_load(NULL, provider);
+    if (prov == NULL) {
+        opt_printf_stderr("%s: unable to load provider %s\n",
+                          opt_getprog(), provider);
+        return 0;
+    }
+    return 1;
+}
+
+static int opt_provider_path(const char *path)
+{
+    if (path != NULL && *path == '\0')
+        path = NULL;
+    return OSSL_PROVIDER_set_default_search_path(NULL, path);
+}
+
+int opt_provider(int opt)
+{
+    switch ((enum prov_range)opt) {
+    case OPT_PROV__FIRST:
+    case OPT_PROV__LAST:
+        return 1;
+    case OPT_PROV_PROVIDER:
+        return opt_provider_load(opt_arg());
+    case OPT_PROV_PROVIDER_PATH:
+        return opt_provider_path(opt_arg());
+    }
+    return 0;
+}
diff --git a/apps/lib/build.info b/apps/lib/build.info
index 3f68a2ed35..a7be58b101 100644
--- a/apps/lib/build.info
+++ b/apps/lib/build.info
@@ -9,7 +9,7 @@ ENDIF
 
 # Source for libapps
 $LIBAPPSSRC=apps.c apps_ui.c opt.c fmt.c s_cb.c s_socket.c app_rand.c \
-        columns.c app_params.c names.c
+        columns.c app_params.c names.c app_provider.c
 
 IF[{- !$disabled{apps} -}]
   LIBS{noinst}=../libapps.a
diff --git a/apps/list.c b/apps/list.c
index e8bb8533bb..28fd5c800e 100644
--- a/apps/list.c
+++ b/apps/list.c
@@ -617,7 +617,8 @@ typedef enum HELPLIST_CHOICE {
     OPT_COMMANDS, OPT_DIGEST_COMMANDS, OPT_MAC_ALGORITHMS, OPT_OPTIONS,
     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
     OPT_PK_ALGORITHMS, OPT_PK_METHOD, OPT_ENGINES, OPT_DISABLED,
-    OPT_KDF_ALGORITHMS, OPT_MISSING_HELP, OPT_OBJECTS
+    OPT_KDF_ALGORITHMS, OPT_MISSING_HELP, OPT_OBJECTS,
+    OPT_PROV_ENUM
 } HELPLIST_CHOICE;
 
 const OPTIONS list_options[] = {
@@ -655,6 +656,8 @@ const OPTIONS list_options[] = {
      "List options for specified command"},
     {"objects", OPT_OBJECTS, '-',
      "List built in objects (OID<->name mappings)"},
+
+    OPT_PROV_OPTIONS,
     {NULL}
 };
 
@@ -741,6 +744,10 @@ opthelp:
         case OPT_VERBOSE:
             verbose = 1;
             break;
+        case OPT_PROV_CASES:
+            if (!opt_provider(o))
+                return 1;
+            break;
         }
         done = 1;
     }
diff --git a/apps/mac.c b/apps/mac.c
index 6abcfcd4e8..bc236a7bf8 100644
--- a/apps/mac.c
+++ b/