Update demos

To build demos, run
`cmake .. -DENABLE_DEMOS=ON`

CMakeLists.txt

@@ -160,29 +160,78 @@ set(tests
 )
 
 set(demos
-	demo_sm2_encrypt
-	demo_sm2_keygen
-	demo_sm2_keyparse
-	demo_sm2_private_key
-	demo_sm2_private_key_parse
-	demo_sm2_public_key
-	demo_sm2_sign
-	demo_sm2_sign_ctx
-	demo_sm3
-	demo_sm3_hmac
-	demo_sm3_kdf
-	demo_sm4
-	demo_sm4_cbc
-	demo_sm4_cbc_decrypt_update
-	demo_sm4_cbc_encrypt_update
-	demo_sm4_cbc_padding
-	demo_sm4_ctr
-	demo_sm4_ctr_encrypt_update
-	demo_sm4_gcm
-	demo_sm9_encrypt
-	demo_sm9_keygen
-	demo_sm9_sign
-	demo_zuc
+	asn1_oid_from_der_demo
+	asn1_oid_to_der_demo
+	base64_demo
+	http_get_demo
+	password_to_key_demo
+	pem_from_der_demo
+	pem_to_der_demo
+	rand_demo
+	sdf_info_demo
+	sdf_rand_demo
+	sdf_sign_demo
+	sha256_digest_demo
+	sha512_256_digest_demo
+	sha512_digest_demo
+	#sm2_ciphertext_to_der_demo
+	sm2_ecdh_demo
+	sm2_encrypt_demo
+	sm2_encrypt_fixlen_demo
+	sm2_id_demo
+	sm2_keygen_demo
+	sm2_keyparse_demo
+	sm2_point_demo
+	sm2_point_from_bin_demo
+	sm2_point_from_hash_demo
+	sm2_point_from_octets_demo
+	sm2_point_to_bin_demo
+	sm2_point_to_octets_demo
+	sm2_private_key_demo
+	sm2_private_key_parse_demo
+	sm2_public_key_demo
+	sm2_sig_from_bin_demo
+	#sm2_sig_from_der_demo
+	sm2_sig_to_der_demo
+	sm2_sign_ctx_demo
+	sm2_sign_ctx_fixlen_demo
+	sm2_sign_demo
+	#sm2_sign_digest_demo
+	sm3_ctx_demo
+	sm3_ctx_stdin_demo
+	sm3_demo
+	sm3_hmac_ctx_demo
+	sm3_hmac_demo
+	sm4_cbc_ctx_decrypt_stdin_demo
+	sm4_cbc_ctx_encrypt_stdin_demo
+	sm4_cbc_demo
+	sm4_cbc_padding_demo
+	sm4_cbc_sm3_hmac_demo
+	sm4_consts_demo
+	sm4_ctr_demo
+	sm4_ctr_encrypt_update_demo
+	sm4_ctr_sm3_hmac_demo
+	sm4_demo
+	sm4_ecb_demo
+	sm4_gcm_ctx_demo
+	sm4_gcm_demo
+	sm4_key_demo
+	sm9_encrypt_demo
+	sm9_keygen_demo
+	sm9_sign_demo
+	#tlcp_get_demo
+	#tlcp_post_demo
+	version_demo
+	x509_cert_check_demo
+	x509_cert_parse_demo
+	x509_cert_print_demo
+	x509_cert_verify_demo
+	x509_crl_download_demo
+	#x509_crl_find_revoked_cert_demo
+	x509_crl_print_demo
+	#x509_crl_verify_demo
+	zuc_demo
+	zuc_encrypt_stdin_demo
 )
 
 include(CheckSymbolExists)
@@ -201,7 +250,7 @@ option(ENABLE_SM2_PRIVATE_KEY_EXPORT "Enable export un-encrypted SM2 private key
 if (ENABLE_SM2_PRIVATE_KEY_EXPORT)
 	message(STATUS "ENABLE_SM2_PRIVATE_KEY_EXPORT")
 	add_definitions(-DSM2_PRIVATE_KEY_EXPORT)
-	list(APPEND demos demo_sm2_key_export)
+	list(APPEND demos sm2_key_export_demo)
 endif()
 
 
@@ -249,6 +298,7 @@ if (ENABLE_BROKEN_CRYPTO)
 	message(STATUS "ENABLE_BROKEN_CRYPTO")
 	list(APPEND src src/sha1.c)
 	list(APPEND tests sha1)
+	list(APPEND demos sha1_digest_demo)
 endif()
 
 
@@ -265,6 +315,7 @@ if (ENABLE_INTEL_RDRAND)
 		message(STATUS "ENABLE_INTEL_RDRAND")
 		add_definitions(-DINTEL_RDRAND)
 		list(APPEND src src/rdrand.c)
+		list(APPEND demos rdrand_demo)
 		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mrdrnd")
 	endif()
 	if (ENABLE_INTEL_RDSEED)
@@ -286,6 +337,7 @@ if (ENABLE_GMT_0105_RNG)
 	message(STATUS "ENABLE_GMT_0105_RNG")
 	list(APPEND src src/sm3_rng.c src/sm4_cbc_mac.c src/sm4_rng.c)
 	list(APPEND tests sm3_rng sm4_cbc_mac sm4_rng)
+	list(APPEND demos sm4_cbc_mac_demo)
 endif()
 
 

demos/src/asn1_oid_from_der_demo.c

@@ -0,0 +1,44 @@
+/*
+ *  Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the License); you may
+ *  not use this file except in compliance with the License.
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <gmssl/oid.h>
+#include <gmssl/asn1.h>
+
+
+int main(int argc, char **argv)
+{
+	int ret = -1;
+	uint8_t der[] = { 0x06,0x06,0x2a,0x81,0x1c,0xcf,0x55,0x01 };
+	uint32_t oid[32];
+	size_t oid_num;
+	const uint8_t *cp;
+	size_t len;
+	size_t i;
+
+	cp = der;
+	len = sizeof(der);
+	if (asn1_object_identifier_from_der(oid, &oid_num, &cp, &len) != 1) {
+		fprintf(stderr, "asn1_object_identifier_from_der() error\n");
+		goto err;
+	}
+
+	printf("oid: ");
+	for (i = 0; i < oid_num; i++) {
+		printf("%u ", oid[i]);
+	}
+	printf("\n");
+
+	ret = 0;
+err:
+	return ret;
+}

demos/src/asn1_oid_to_der_demo.c

@@ -0,0 +1,49 @@
+/*
+ *  Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the License); you may
+ *  not use this file except in compliance with the License.
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <gmssl/oid.h>
+#include <gmssl/asn1.h>
+
+
+int main(int argc, char **argv)
+{
+	int ret = -1;
+	uint32_t oid[] = {1,2,156,10197,1};
+	uint8_t buf[64];
+	uint8_t *p;
+	size_t len;
+	size_t i;
+
+	p = buf;
+	len = 0;
+	if (asn1_object_identifier_to_der(oid, sizeof(oid)/sizeof(oid[0]), &p, &len) != 1) {
+		fprintf(stderr, "asn1_object_identifier_to_der() error\n");
+		goto err;
+	}
+
+	printf("oid: ");
+	for (i = 0; i < sizeof(oid)/sizeof(oid[0]); i++) {
+		printf("%u ", oid[i]);
+	}
+	printf("\n");
+
+	printf("der: ");
+	for (i = 0; i < len; i++) {
+		printf("%02x ", buf[i]);
+	}
+	printf("\n");
+
+	ret = 0;
+err:
+	return ret;
+}

demos/src/base64_demo.c

@@ -0,0 +1,56 @@
+/*
+ *  Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the License); you may
+ *  not use this file except in compliance with the License.
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <gmssl/base64.h>
+#include <gmssl/error.h>
+#include <gmssl/rand.h>
+
+int main(void)
+{
+	BASE64_CTX ctx;
+
+	uint8_t buf[200];
+	char base64[400] = {0};
+	uint8_t *in = buf;
+	uint8_t *out = (uint8_t *)base64;
+	int len;
+	int i;
+	int inlen = 47;
+
+	rand_bytes(buf, sizeof(buf));
+
+	base64_encode_init(&ctx);
+
+	base64_encode_update(&ctx, in, inlen, out, &len);
+	out += len;
+	in += inlen;
+	printf("1 %s\n", base64);
+
+	base64_encode_update(&ctx, in, inlen, out, &len);
+	out += len;
+	in += inlen;
+	printf("2 %s\n", base64);
+
+	base64_encode_update(&ctx, in, 30, out, &len);
+	out += len;
+	in += 48;
+	printf("3 %s\n", base64);
+
+	base64_encode_update(&ctx, in, 30, out, &len);
+	out += len;
+	in += 48;
+	printf("4 %s\n", base64);
+
+	return 0;
+
+}