Update Windows support

include/gmssl/digest.h

@@ -16,8 +16,10 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <gmssl/sm3.h>
+#ifdef ENABLE_BROKEN_CRYPTO
 #include <gmssl/md5.h>
 #include <gmssl/sha1.h>
+#endif
 #include <gmssl/sha2.h>
 
 
@@ -37,8 +39,10 @@ typedef struct DIGEST_CTX DIGEST_CTX;
 struct DIGEST_CTX {
 	union {
 		SM3_CTX sm3_ctx;
-//		MD5_CTX md5_ctx;
+#ifdef ENABLE_BROKEN_CRYPTO
+		MD5_CTX md5_ctx;
 		SHA1_CTX sha1_ctx;
+#endif
 		SHA224_CTX sha224_ctx;
 		SHA256_CTX sha256_ctx;
 		SHA384_CTX sha384_ctx;
@@ -58,8 +62,10 @@ struct DIGEST {
 };
 
 const DIGEST *DIGEST_sm3(void);
-//const DIGEST *DIGEST_md5(void);
+#ifdef ENABLE_BROKEN_CRYPTO
+const DIGEST *DIGEST_md5(void);
 const DIGEST *DIGEST_sha1(void);
+#endif
 const DIGEST *DIGEST_sha224(void);
 const DIGEST *DIGEST_sha256(void);
 const DIGEST *DIGEST_sha384(void);

src/asn1.c

@@ -20,27 +20,12 @@
 #include <gmssl/oid.h>
 #include <gmssl/asn1.h>
 #include <gmssl/error.h>
-#include <gmssl/endian.h> 
+#include <gmssl/endian.h>
 
 #ifdef WIN32
-time_t timegm(struct tm* timeptr)
+#include "u_time.h"
-{
-#error "Not implemented"
-	return 0;
-}
-
-struct tm* gmtime_r(const time_t* clock, struct tm* result)
-{
-#error "Not implemented"
-	return NULL;
-}
-
-char* strptime(const char* buf, const char* format, struct tm* timeptr)
-{
-#error "Not implemented"
-	return NULL;
-}
 #endif
+
 /*
 
 ## 返回值
@@ -808,15 +793,21 @@ int asn1_ia5_string_to_der_ex(int tag, const char *d, size_t dlen, uint8_t **out
 int asn1_utc_time_to_der_ex(int tag, time_t a, uint8_t **out, size_t *outlen)
 {
 	struct tm tm_val;
-	char buf[ASN1_UTC_TIME_LEN + 1];
+	char buf[ASN1_UTC_TIME_LEN + 1] = {0};
 
 	if (!outlen) {
 		error_print();
 		return -1;
 	}
 
+#ifdef WIN32
+	GMSSL_gmtime(&a, &tm_val);
+	asn1_tm_to_utctime(&tm_val, buf);
+#else
 	gmtime_r(&a, &tm_val);
 	strftime(buf, sizeof(buf), "%y%m%d%H%M%SZ", &tm_val);
+#endif
+
 
 	if (out && *out)
 		*(*out)++ = tag;
@@ -835,15 +826,20 @@ int asn1_utc_time_to_der_ex(int tag, time_t a, uint8_t **out, size_t *outlen)
 int asn1_generalized_time_to_der_ex(int tag, time_t a, uint8_t **out, size_t *outlen)
 {
 	struct tm tm_val;
-	char buf[ASN1_GENERALIZED_TIME_LEN + 1];
+	char buf[ASN1_GENERALIZED_TIME_LEN + 1] = {0};
 
 	if (!outlen) {
 		error_print();
 		return -1;
 	}
 
+#ifdef WIN32
+	GMSSL_gmtime(&a, &tm_val);
+	asn1_tm_to_generalizedtime(&tm_val, buf);
+#else
 	gmtime_r(&a, &tm_val);
 	strftime(buf, sizeof(buf), "%Y%m%d%H%M%SZ", &tm_val);
+#endif
 	//printf("%s %d: generalized time : %s\n", __FILE__, __LINE__, buf);
 
 	if (out && *out)
@@ -1197,14 +1193,18 @@ int asn1_utc_time_from_der_ex(int tag, time_t *t, const uint8_t **pin, size_t *p
 		buf[1] = '0';
 	}
 	if (len == sizeof("YYMMDDHHMMSSZ")-1) {
-		//  这里应该自己写一个函数来解析
+#ifdef WIN32
-		if (!strptime(buf, "%Y%m%d%H%M%SZ", &tm_val)) { // 注意：这个函数在Windows上没有！！		
+		asn1_generalizedtime_to_tm(&tm_val, buf);
+		*t = GMSSL_timegm(&tm_val);
+#else
+		if (!strptime(buf, "%Y%m%d%H%M%SZ", &tm_val)) {
 			return -1;
 		}
+		*t = timegm(&tm_val);
+#endif
 	} else {
 		return -1;
 	}
-	*t = timegm(&tm_val); // FIXME: Windows !				
 
 	*pin = in + len;
 	*pinlen = inlen - len;
@@ -1235,16 +1235,25 @@ int asn1_generalized_time_from_der_ex(int tag, time_t *t, const uint8_t **pin, s
 	memcpy(buf, in, len);
 
 	if (len == sizeof("YYYYMMDDHHMMSSZ")-1) {
+
+#ifdef WIN32
+		asn1_generalizedtime_to_tm(buf, &tm_val);
+		*t = GMSSL_timegm(&tm_val);
+#else
 		if (!strptime(buf, "%Y%m%d%H%M%SZ", &tm_val)) {
 			error_print();
 			return -1;
 		}
+		*t = timegm(&tm_val);
+#endif
+
+
 	} else {
 		// TODO: 处理这种情况		
 		error_print();
 		return -2;
 	}
-	*t = timegm(&tm_val);
+
 	*pin = in + len;
 	*pinlen = inlen - len;
 	return 1;

src/digest.c

@@ -24,8 +24,10 @@ typedef struct {
 
 DIGEST_TABLE digest_table[] = {
 	{ OID_sm3, "sm3", "SM3" },
-//	{ OID_md5, "md5", "MD5" },
+#ifdef ENABLE_BROKEN_CRYPTO
+	{ OID_md5, "md5", "MD5" },
 	{ OID_sha1, "sha1", "SHA-1" },
+#endif
 	{ OID_sha224, "sha224", "SHA-224" },
 	{ OID_sha256, "sha256", "SHA-256" },
 	{ OID_sha384, "sha384", "SHA-384" },
@@ -93,12 +95,12 @@ const DIGEST *digest_from_name(const char *name)
 {
 	if (!strcmp(name, "sm3") || !strcmp(name, "SM3")) {
 		return DIGEST_sm3();
-	/*
+#ifdef ENABLE_BROKEN_CRYPTO
 	} else if (!strcmp(name, "md5") || !strcmp(name, "MD5")) {
 		return DIGEST_md5();
-	*/
 	} else if (!strcmp(name, "sha1") || !strcmp(name, "SHA1")) {
 		return DIGEST_sha1();
+#endif
 	} else if (!strcmp(name, "sha224") || !strcmp(name, "SHA224")) {
 		return DIGEST_sha224();
 	} else if (!strcmp(name, "sha256") || !strcmp(name, "SHA256")) {
@@ -160,7 +162,8 @@ const DIGEST *DIGEST_sm3(void)
         return &sm3_digest_object;
 }
 
-/*
+#ifdef ENABLE_BROKEN_CRYPTO
+
 #include <gmssl/md5.h>
 
 static int md5_digest_init(DIGEST_CTX *ctx)
@@ -207,7 +210,6 @@ const DIGEST *DIGEST_md5(void)
 {
         return &md5_digest_object;
 }
-*/
 
 
 #include <gmssl/sha1.h>
@@ -256,6 +258,7 @@ const DIGEST *DIGEST_sha1(void)
 {
         return &sha1_digest_object;
 }
+#endif
 
 #include <gmssl/sha2.h>
 

src/sdf/sdf_ext.h

@@ -1,4 +1,4 @@
-/*
+/*
  *  Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
  *
  *  Licensed under the Apache License, Version 2.0 (the License); you may

src/sdf/sdf_int.h

@@ -13,6 +13,10 @@
 
 #include "sdf.h"
 
+#ifdef WIN32
+#include <windows.h>
+#endif
+
 typedef int (*SDF_OpenDevice_FuncPtr)(
 	void **phDeviceHandle);
 
@@ -346,7 +350,11 @@ typedef int (*SDF_DeleteObject_FuncPtr)(
 
 typedef struct sdf_method_st {
 	char *name;
+#ifdef WIN32
+	HMODULE dso;
+#else
 	void *dso;
+#endif
 	SDF_OpenDevice_FuncPtr OpenDevice;
 	SDF_CloseDevice_FuncPtr CloseDevice;
 	SDF_OpenSession_FuncPtr OpenSession;

src/sdf/sdf_meth.c

@@ -11,13 +11,22 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#ifdef WIN32
+#include <windows.h>
+#else
 #include <dlfcn.h>
+#endif
 #include "sdf_int.h"
 
 #define SDFerr(a,b)
 
+#ifdef WIN32
+#define SDF_METHOD_BIND_FUNCTION_EX(func,name) \
+	sdf->func = (SDF_##func##_FuncPtr)GetProcAddress(sdf->dso, "SDF_"#name)
+#else
 #define SDF_METHOD_BIND_FUNCTION_EX(func,name) \
 	sdf->func = (SDF_##func##_FuncPtr)dlsym(sdf->dso, "SDF_"#name)
+#endif
 
 #define SDF_METHOD_BIND_FUNCTION(func) \
 	SDF_METHOD_BIND_FUNCTION_EX(func,func)
@@ -33,11 +42,18 @@ SDF_METHOD *SDF_METHOD_load_library(const char *so_path)
 	}
 	memset(sdf, 0, sizeof(*sdf));
 
-	if (!(sdf->dso = dlopen(so_path, RTLD_LAZY))) {
+#ifdef WIN32
+	if ((sdf->dso = LoadLibraryA(so_path)) == NULL) {
+		goto end;
+	}
+
+#else
+	if (!(sdf->dso = dlopen(so_path, 0/*RTLD_LAZY*/))) { // FIXME: dlfcn.h, dlopen, RTLD_LAZY not in windows!
 		fprintf(stderr, "%s %d: %s\n", __FILE__, __LINE__, dlerror());
 		SDFerr(SDF_F_SDF_METHOD_LOAD_LIBRARY, SDF_R_DSO_LOAD_FAILURE);
 		goto end;
 	}
+#endif
 
 	SDF_METHOD_BIND_FUNCTION(OpenDevice);
 	SDF_METHOD_BIND_FUNCTION(CloseDevice);

src/skf/skf_int.h

@@ -14,6 +14,10 @@
 #include "../sgd.h"
 #include "skf.h"
 
+#ifdef WIN32
+#include <windows.h>
+#endif
+
 
 typedef ULONG (DEVAPI *SKF_WaitForDevEvent_FuncPtr)(
 	LPSTR szDevName,
@@ -472,7 +476,11 @@ typedef ULONG (DEVAPI *SKF_CloseHandle_FuncPtr)(
 
 typedef struct skf_method_st {
 	char *name;
+#ifdef WIN32
+	HMODULE dso;
+#else
 	void *dso;
+#endif
 	SKF_WaitForDevEvent_FuncPtr WaitForDevEvent;
 	SKF_CancelWaitForDevEvent_FuncPtr CancelWaitForDevEvent;
 	SKF_EnumDev_FuncPtr EnumDev;

src/skf/skf_lib.c

@@ -23,7 +23,7 @@ extern SKF_VENDOR skf_wisec;
 #define SKFerr(f,e)
 
 
-ULONG SKF_LoadLibrary(LPSTR so_path, LPSTR vendor)
+ULONG DEVAPI SKF_LoadLibrary(LPSTR so_path, LPSTR vendor)
 {
 	if (skf_method) {
 		SKF_METHOD_free(skf_method);
@@ -47,7 +47,7 @@ ULONG SKF_LoadLibrary(LPSTR so_path, LPSTR vendor)
 	return SAR_OK;
 }
 
-ULONG SKF_UnloadLibrary(void)
+ULONG DEVAPI SKF_UnloadLibrary(void)
 {
 	SKF_METHOD_free(skf_method);
 	skf_method = NULL;
@@ -126,7 +126,7 @@ static unsigned long skf_get_error_reason(ULONG ulError)
 	return 0;
 }
 
-ULONG SKF_GetErrorString(ULONG ulError, LPSTR *szErrorStr)
+ULONG DEVAPI SKF_GetErrorString(ULONG ulError, LPSTR *szErrorStr)
 {
 	unsigned long reason;
 

src/skf/skf_meth.c

@@ -11,15 +11,24 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#ifdef WIN32
+#include <windows.h>
+#else
 #include <dlfcn.h>
+#endif
 #include "skf.h"
 #include "skf_ext.h"
 #include "skf_int.h"
 
 #define SKFerr(e,r)
 
+#ifdef WIN32
+#define SKF_METHOD_BIND_FUNCTION_EX(func,name) \
+	skf->func = (SKF_##func##_FuncPtr)GetProcAddress(skf->dso, "SKF_"#name)
+#else
 #define SKF_METHOD_BIND_FUNCTION_EX(func,name) \
 	skf->func = (SKF_##func##_FuncPtr)dlsym(skf->dso, "SKF_"#name)
+#endif
 
 #define SKF_METHOD_BIND_FUNCTION(func) \
 	SKF_METHOD_BIND_FUNCTION_EX(func,func)
@@ -34,10 +43,17 @@ SKF_METHOD *SKF_METHOD_load_library(const char *so_path)
 		SKFerr(SKF_F_SKF_METHOD_LOAD_LIBRARY, ERR_R_MALLOC_FAILURE);
 		goto end;
 	}
-	if (!(skf->dso = dlopen(so_path, RTLD_LAZY))) {
+#ifdef WIN32
+	if ((skf->dso = LoadLibraryA(so_path)) == NULL) {
+		goto end;
+	}
+
+#else	
+	if (!(skf->dso = dlopen(so_path, 0/*RTLD_LAZY*/))) {//FIXME:dlopen not in windows			
 		SKFerr(SKF_F_SKF_METHOD_LOAD_LIBRARY, SKF_R_DSO_LOAD_FAILURE);
 		goto end;
 	}
+#endif
 
 	SKF_METHOD_BIND_FUNCTION(WaitForDevEvent);
 	SKF_METHOD_BIND_FUNCTION(CancelWaitForDevEvent);

src/skf/skf_prn.c

@@ -48,7 +48,7 @@ static char *skf_algor_name(ULONG ulAlgID)
 	return NULL;
 }
 
-ULONG SKF_GetDevStateName(ULONG ulDevState, LPSTR *szDevStateName)
+ULONG DEVAPI SKF_GetDevStateName(ULONG ulDevState, LPSTR *szDevStateName)
 {
 	if (!szDevStateName) {
 		return SAR_INDATALENERR;
@@ -72,7 +72,7 @@ ULONG SKF_GetDevStateName(ULONG ulDevState, LPSTR *szDevStateName)
 	return SAR_OK;
 }
 
-ULONG SKF_GetContainerTypeName(ULONG ulContainerType, LPSTR *szName)
+ULONG DEVAPI SKF_GetContainerTypeName(ULONG ulContainerType, LPSTR *szName)
 {
 	switch (ulContainerType) {
 	case SKF_CONTAINER_TYPE_UNDEF:
@@ -130,7 +130,7 @@ static table_item_t skf_pkey_caps[] = {
 	{ SGD_SM2_3, "sm2encrypt" }
 };
 
-ULONG SKF_PrintDevInfo(FILE *fp, const DEVINFO *devInfo)
+ULONG DEVAPI SKF_PrintDevInfo(FILE *fp, const DEVINFO *devInfo)
 {
 	size_t i, n;
 	int fmt = 0, ind = 4;
@@ -205,7 +205,7 @@ ULONG SKF_PrintDevInfo(FILE *fp, const DEVINFO *devInfo)
 	return SAR_OK;
 }
 
-ULONG SKF_PrintRSAPublicKey(FILE *fp, const RSAPUBLICKEYBLOB *blob)
+ULONG DEVAPI SKF_PrintRSAPublicKey(FILE *fp, const RSAPUBLICKEYBLOB *blob)
 {
 	int fmt = 0, ind = 4;
 	format_print(fp, fmt, ind, "AlgID: %s\n", skf_algor_name(blob->AlgID));
@@ -215,7 +215,7 @@ ULONG SKF_PrintRSAPublicKey(FILE *fp, const RSAPUBLICKEYBLOB *blob)
 	return SAR_OK;
 }
 
-ULONG SKF_PrintRSAPrivateKey(FILE *fp, const RSAPRIVATEKEYBLOB *blob)
+ULONG DEVAPI SKF_PrintRSAPrivateKey(FILE *fp, const RSAPRIVATEKEYBLOB *blob)
 {
 	int fmt = 0, ind = 4;
 	format_print(fp, fmt, ind, "AlgID: %s\n", skf_algor_name(blob->AlgID));
@@ -231,7 +231,7 @@ ULONG SKF_PrintRSAPrivateKey(FILE *fp, const RSAPRIVATEKEYBLOB *blob)
 	return SAR_OK;
 }
 
-ULONG SKF_PrintECCPublicKey(FILE *fp, const ECCPUBLICKEYBLOB *blob)
+ULONG DEVAPI SKF_PrintECCPublicKey(FILE *fp, const ECCPUBLICKEYBLOB *blob)
 {
 	int fmt = 0, ind = 4;
 	format_print(fp, fmt, ind, "BitLen: %u\n", blob->BitLen);
@@ -240,7 +240,7 @@ ULONG SKF_PrintECCPublicKey(FILE *fp, const ECCPUBLICKEYBLOB *blob)
 	return SAR_OK;
 }
 
-ULONG SKF_PrintECCPrivateKey(FILE *fp, const ECCPRIVATEKEYBLOB *blob)
+ULONG DEVAPI SKF_PrintECCPrivateKey(FILE *fp, const ECCPRIVATEKEYBLOB *blob)
 {
 	int fmt = 0, ind = 4;
 	format_print(fp, fmt, ind, "BitLen: %u\n", blob->BitLen);
@@ -248,7 +248,7 @@ ULONG SKF_PrintECCPrivateKey(FILE *fp, const ECCPRIVATEKEYBLOB *blob)
 	return SAR_OK;
 }
 
-ULONG SKF_PrintECCCipher(FILE *fp, const ECCCIPHERBLOB *blob)
+ULONG DEVAPI SKF_PrintECCCipher(FILE *fp, const ECCCIPHERBLOB *blob)
 {
 	int fmt = 0, ind = 4;
 	format_bytes(fp, fmt, ind, "XCoordinate", blob->XCoordinate, ECC_MAX_XCOORDINATE_BITS_LEN/8);
@@ -259,7 +259,7 @@ ULONG SKF_PrintECCCipher(FILE *fp, const ECCCIPHERBLOB *blob)
 	return SAR_OK;
 }
 
-ULONG SKF_PrintECCSignature(FILE *fp, const ECCSIGNATUREBLOB *blob)
+ULONG DEVAPI SKF_PrintECCSignature(FILE *fp, const ECCSIGNATUREBLOB *blob)
 {
 	int fmt = 0, ind = 4;
 	format_bytes(fp, fmt, ind, "r", blob->r, ECC_MAX_XCOORDINATE_BITS_LEN/8);

src/u_time.c

@@ -0,0 +1,496 @@
+#include "u_time.h"
+
+//convert timestamp to struct tm
+int GMSSL_gmtime(const time_t *timep, struct tm *tm_time)
+{
+    time_t timestamp = *timep;
+    unsigned int four_year_num;   
+    unsigned int one_year_hours;  
+
+    const static unsigned char Days[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+    const static unsigned int ONE_YEAR_HOURS = 8760;
+    const static unsigned int FOUR_YEAR_HOURS = 35064;
+
+    if (timestamp > 0x7FFFFFFF)
+    {
+        return -1;
+    }
+        
+    tm_time->tm_isdst = 0;
+
+    tm_time->tm_sec = (int)(timestamp % 60);
+    timestamp /= 60;
+   
+    tm_time->tm_min = (int)(timestamp % 60);
+    timestamp /= 60;
+   
+    tm_time->tm_wday = (int)(timestamp/24 + 4) % 7;
+   
+    four_year_num = timestamp / FOUR_YEAR_HOURS;    
+   
+    tm_time->tm_year=(four_year_num << 2) + 70;
+   
+    timestamp %= FOUR_YEAR_HOURS;
+   
+    while (1)
+    {
+        one_year_hours = ONE_YEAR_HOURS;
+       
+        if ((tm_time->tm_year & 3) == 0)
+        {
+            one_year_hours += 24;
+        }
+
+        if (timestamp < one_year_hours)
+        {
+            break;
+        }
+
+        tm_time->tm_year++;
+        timestamp -= one_year_hours;
+    }
+
+    tm_time->tm_hour=(int)(timestamp % 24);
+
+    timestamp /= 24;
+    timestamp++;
+  
+    tm_time->tm_yday = timestamp-1; 
+
+    if ((tm_time->tm_year & 3) == 0) 
+    {
+        if (timestamp > 60)
+        {
+            timestamp--;
+        }
+        else if (timestamp == 60)
+        {
+            tm_time->tm_mon = 1;
+            tm_time->tm_mday = 29;
+            return 0;
+        }
+    }
+
+    for (tm_time->tm_mon = 0; Days[tm_time->tm_mon] < timestamp; tm_time->tm_mon++)
+    {
+        timestamp -= Days[tm_time->tm_mon];
+    }
+
+    tm_time->tm_mday = (int)(timestamp);
+
+    return 0;
+}
+
+//convert struct tm to timestamp
+time_t GMSSL_timegm(struct tm *tm)
+{
+    static const int msum [2][12] = {
+        { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334},        /* normal years */
+        { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335}        /* leap years */
+    };
+    static const int mlen [2][12] = {
+        { 31, 28, 31, 30,  31,  30,  31,  31,  30,  31,  30, 31},
+        { 31, 29, 31, 30,  31,  30,  31,  31,  30,  31,  30, 31}
+    };
+    static const int tmstr_year= 1900; /* base of 'tm_year' in 'struct tm' */
+    static const int epoch_year= 1970; /* unix timestamp epoch */
+    static const int base_year=  1601;  /* start of a 400-year period: used to be 1601,
+                                            but this allows larger range (in 64 bit)
+                                            mind you, this is proleptic Gregorian */
+    int year, ytmp, dtmp, ytmpe, dtmpe;
+    int isleapyear;
+    long long t;
+
+    if (!tm) return -1;
+
+    year = tm->tm_year + tmstr_year;
+    isleapyear= (year%4==0) - (year%100==0) + (year%400==0);
+
+/* days between 'current year' and 'epoch_year' has to be calculated
+   in three steps: */
+
+/* 1. days between current year and 'base_year' */
+    ytmp = year - base_year;
+    dtmp = ytmp*365 + ytmp/4 - ytmp/100 + ytmp/400;
+
+/* 2. days between 'epoch year' and 'base_year' */
+    ytmpe = epoch_year - base_year;
+    dtmpe = ytmpe*365 + ytmpe/4 - ytmpe/100 + ytmpe/400;
+
+/* 3. days between 'current year' and 'epoch_year' */
+    t  = dtmp - dtmpe;
+
+    t += msum[isleapyear][tm->tm_mon];
+    t += tm->tm_mday-1;
+
+    t  = t*24 + tm->tm_hour;
+    t  = t*60 + tm->tm_min;
+    t  = t*60 + tm->tm_sec;
+
+    return t;
+}
+
+//offset to struct tm
+int GMSSL_gmtime_adj(struct tm *tm, long offset_sec)
+{
+    time_t t = GMSSL_timegm(tm);
+    if(t == -1)
+        return -1;
+
+    t += offset_sec;
+
+    return GMSSL_gmtime(&t,tm) == 0;
+}
+
+//convert generalizedtime to tm
+int asn1_generalizedtime_to_tm(struct tm *tm, char *gtime)
+{
+    static const int min[9] = { 0, 0, 1, 1, 0, 0, 0, 0, 0 };
+    static const int max[9] = { 99, 99, 12, 31, 23, 59, 59, 12, 59 };
+    char *a;
+    int n, i, l, o;
+
+    l = strlen(gtime);
+    a = gtime;
+    o = 0;
+    /*
+     * GENERALIZEDTIME is similar to UTCTIME except the year is represented
+     * as YYYY. This stuff treats everything as a two digit field so make
+     * first two fields 00 to 99
+     */
+    if (l < 13)
+        goto err;
+    for (i = 0; i < 7; i++) {
+        if ((i == 6) && ((a[o] == 'Z') || (a[o] == '+') || (a[o] == '-'))) {
+            i++;
+            if (tm)
+                tm->tm_sec = 0;
+            break;
+        }
+        if ((a[o] < '0') || (a[o] > '9'))
+            goto err;
+        n = a[o] - '0';
+        if (++o > l)
+            goto err;
+
+        if ((a[o] < '0') || (a[o] > '9'))
+            goto err;
+        n = (n * 10) + a[o] - '0';
+        if (++o > l)
+            goto err;
+
+        if ((n < min[i]) || (n > max[i]))
+            goto err;
+        if (tm) {
+            switch (i) {
+            case 0:
+                tm->tm_year = n * 100 - 1900;
+                break;
+            case 1:
+                tm->tm_year += n;
+                break;
+            case 2:
+                tm->tm_mon = n - 1;
+                break;
+            case 3:
+                tm->tm_mday = n;
+                break;
+            case 4:
+                tm->tm_hour = n;
+                break;
+            case 5:
+                tm->tm_min = n;
+                break;
+            case 6:
+                tm->tm_sec = n;
+                break;
+            }
+        }
+    }
+    /*
+     * Optional fractional seconds: decimal point followed by one or more
+     * digits.
+     */
+    if (a[o] == '.') {
+        if (++o > l)
+            goto err;
+        i = o;
+        while ((a[o] >= '0') && (a[o] <= '9') && (o <= l))
+            o++;
+        /* Must have at least one digit after decimal point */
+        if (i == o)
+            goto err;
+    }
+
+    if (a[o] == 'Z')
+        o++;
+    else if ((a[o] == '+') || (a[o] == '-')) {
+        int offsign = a[o] == '+' ? -1 : 1, offset = 0;
+        o++;
+        if (o + 4 > l)
+            goto err;
+        for (i = 7; i < 9; i++) {
+            if ((a[o] < '0') || (a[o] > '9'))
+                goto err;
+            n = a[o] - '0';
+            o++;
+            if ((a[o] < '0') || (a[o] > '9'))
+                goto err;
+            n = (n * 10) + a[o] - '0';
+            if ((n < min[i]) || (n > max[i]))
+                goto err;
+            if (tm) {
+                if (i == 7)
+                    offset = n * 3600;
+                else if (i == 8)
+                    offset += n * 60;
+            }
+            o++;
+        }
+        if (offset && !GMSSL_gmtime_adj(tm, offset * offsign))
+            return 0;
+    } else if (a[o]) {
+        /* Missing time zone information. */
+        goto err;
+    }
+    return (o == l);
+ err:
+    return (0);
+}
+
+//convert utctime to tm
+int asn1_utctime_to_tm(struct tm *tm, char *utime)
+{
+    static const int min[8] = { 0, 1, 1, 0, 0, 0, 0, 0 };
+    static const int max[8] = { 99, 12, 31, 23, 59, 59, 12, 59 };
+    char *a;
+    int n, i, l, o;
+
+    l = strlen(utime);
+    a = utime;
+    o = 0;
+
+    if (l < 11)
+        goto err;
+    for (i = 0; i < 6; i++) {
+        if ((i == 5) && ((a[o] == 'Z') || (a[o] == '+') || (a[o] == '-'))) {
+            i++;
+            if (tm)
+                tm->tm_sec = 0;
+            break;
+        }
+        if ((a[o] < '0') || (a[o] > '9'))
+            goto err;
+        n = a[o] - '0';
+        if (++o > l)
+            goto err;
+
+        if ((a[o] < '0') || (a[o] > '9'))
+            goto err;
+        n = (n * 10) + a[o] - '0';
+        if (++o > l)
+            goto err;
+
+        if ((n < min[i]) || (n > max[i]))
+            goto err;
+        if (tm) {
+            switch (i) {
+            case 0:
+                tm->tm_year = n < 50 ? n + 100 : n;
+                break;
+            case 1:
+                tm->tm_mon = n - 1;
+                break;
+            case 2:
+                tm->tm_mday = n;
+                break;
+            case 3:
+                tm->tm_hour = n;
+                break;
+            case 4:
+                tm->tm_min = n;
+                break;
+            case 5:
+                tm->tm_sec = n;
+                break;
+            }
+        }
+    }
+    if (a[o] == 'Z')
+        o++;
+    else if ((a[o] == '+') || (a[o] == '-')) {
+        int offsign = a[o] == '+' ? -1 : 1, offset = 0;
+        o++;
+        if (o + 4 > l)
+            goto err;
+        for (i = 6; i < 8; i++) {
+            if ((a[o] < '0') || (a[o] > '9'))
+                goto err;
+            n = a[o] - '0';
+            o++;
+            if ((a[o] < '0') || (a[o] > '9'))
+                goto err;
+            n = (n * 10) + a[o] - '0';
+            if ((n < min[i]) || (n > max[i]))
+                goto err;
+            if (tm) {
+                if (i == 6)
+                    offset = n * 3600;
+                else if (i == 7)
+                    offset += n * 60;
+            }
+            o++;
+        }
+        if (offset && !GMSSL_gmtime_adj(tm, offset * offsign))
+            return 0;
+    }
+    return o == l;
+ err:
+    return 0;
+}
+
+//convert tm to generalizedtime
+int asn1_tm_to_generalizedtime(struct tm *tm, char *gtime)
+{
+    char p[20] = {0};
+    int i = 0, j = 0;
+    static const int min[6] = { 0, 1, 1, 0, 0, 0 };
+    static const int max[6] = { 9999, 12, 31, 23, 59, 59};
+
+    //year
+    int year0 = tm->tm_year + 1900;
+    if(year0 < min[i] || year0 > max[i])
+        goto err;
+    p[j++] = year0 / 1000 + '0';
+    year0 = year0 % 1000;
+    p[j++] = year0 / 100 + '0';
+    year0 = year0 % 100;
+    p[j++] = year0 / 10 + '0';
+    year0 = year0 % 10;
+    p[j++] = year0 + '0';
+    i++;
+
+    //month
+    int mon0 = tm->tm_mon + 1;
+    if(mon0 < min[i] || mon0>max[i])
+        goto err;
+    p[j++] = mon0 /10 + '0';
+    mon0 = mon0%10;
+    p[j++] = mon0 + '0';
+    i++;
+
+    //day
+    int day0 = tm->tm_mday;
+    if(day0 < min[i] || day0>max[i])
+        goto err;
+    p[j++] = day0 /10 + '0';
+    day0 = day0%10;
+    p[j++] = day0 + '0';
+    i++;
+
+    //hour
+    int hour0 = tm->tm_hour;
+    if(hour0 < min[i] || hour0>max[i])
+        goto err;
+    p[j++] = hour0 /10 + '0';
+    hour0 = hour0%10;
+    p[j++] = hour0 + '0';
+    i++;
+
+    //min
+    int min0 = tm->tm_min;
+    if(min0 < min[i] || min0>max[i])
+        goto err;
+    p[j++] = min0 /10 + '0';
+    min0 = min0%10;
+    p[j++] = min0 + '0';
+    i++;
+
+    //sec
+    int sec0 = tm->tm_sec;
+    if(sec0 < min[i] || sec0>max[i])
+        goto err;
+    p[j++] = sec0 /10 + '0';
+    sec0 = sec0%10;
+    p[j++] = sec0 + '0';
+
+    p[j++] = 'Z';
+
+    memcpy(gtime,p,j);
+    
+    return 0;
+
+err:
+    return -1;
+}
+
+
+//convert asn1 tm to utctime
+int asn1_tm_to_utctime(struct tm *tm, char *utime)
+{
+    char p[20] = {0};
+    int i = 0, j = 0;
+    static const int min[6] = { 0, 1, 1, 0, 0, 0 };
+    static const int max[6] = { 99, 12, 31, 23, 59, 59};
+
+    //year
+    int year0 = tm->tm_year % 100;
+    if(year0 < min[i] || year0 > max[i])
+        goto err;
+    p[j++] = year0 / 10 + '0';
+    year0 = year0 % 10;
+    p[j++] = year0 + '0';
+    i++;
+
+    //month
+    int mon0 = tm->tm_mon + 1;
+    if(mon0 < min[i] || mon0>max[i])
+        goto err;
+    p[j++] = mon0 /10 + '0';
+    mon0 = mon0%10;
+    p[j++] = mon0 + '0';
+    i++;
+
+    //day
+    int day0 = tm->tm_mday;
+    if(day0 < min[i] || day0>max[i])
+        goto err;
+    p[j++] = day0 /10 + '0';
+    day0 = day0%10;
+    p[j++] = day0 + '0';
+    i++;
+
+    //hour
+    int hour0 = tm->tm_hour;
+    if(hour0 < min[i] || hour0>max[i])
+        goto err;
+    p[j++] = hour0 /10 + '0';
+    hour0 = hour0%10;
+    p[j++] = hour0 + '0';
+    i++;
+
+    //min
+    int min0 = tm->tm_min;
+    if(min0 < min[i] || min0>max[i])
+        goto err;
+    p[j++] = min0 /10 + '0';
+    min0 = min0%10;
+    p[j++] = min0 + '0';
+    i++;
+
+    //sec
+    int sec0 = tm->tm_sec;
+    if(sec0 < min[i] || sec0>max[i])
+        goto err;
+    p[j++] = sec0 /10 + '0';
+    sec0 = sec0%10;
+    p[j++] = sec0 + '0';
+
+    p[j++] = 'Z';
+    memcpy(utime,p,j);
+    
+    return 0;
+
+err:
+    return -1;
+}

src/u_time.h

@@ -0,0 +1,26 @@
+#ifndef GMSSL_U_TIME_H
+#define GMSSL_U_TIME_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#define SECS_PER_DAY (24 * 60 * 60)
+
+int GMSSL_gmtime(const time_t *timep, struct tm *tm_time);
+time_t GMSSL_timegm(struct tm *tm);
+int GMSSL_gmtime_adj(struct tm *tm, long offset_sec);
+int asn1_generalizedtime_to_tm(struct tm *tm,char *gtime);
+int asn1_utctime_to_tm(struct tm *tm, char *utime);
+int asn1_tm_to_generalizedtime(struct tm *tm, char *gtime);
+int asn1_tm_to_utctime(struct tm *tm, char *utime);
+
+#if __cplusplus
+}
+#endif
+#endif

tests/digesttest.c

@@ -15,8 +15,10 @@
 #include <gmssl/digest.h>
 
 const char *digests[] = {
-//	"md5",
+#ifdef ENABLE_BROKEN_CRYPTO
+	"md5",
 	"sha1",
+#endif
 	"sm3",
 	"sha224",
 	"sha256",

tests/hash_drbgtest.c

@@ -36,6 +36,8 @@
 
 int main(void)
 {
+// currently we only has SHA-1 test suites
+#ifdef ENABLE_BROKEN_CRYPTO
 	HASH_DRBG drbg;
 
 	uint8_t entropy[sizeof(EntropyInput)/2];
@@ -87,6 +89,6 @@ int main(void)
 		printf("%02x", out[i]);
 	}
 	printf("\n");
-
+#endif
 	return 0;
 }

tests/hkdftest.c

@@ -78,6 +78,7 @@ static struct {
 		"b8a11f5c5ee1879ec3454e5f3c738d2d"
 		"9d201395faa4b61a96c8",
 	},
+#ifdef ENABLE_BROKEN_CRYPTO
 	{
 		// test 4
 		"sha1",
@@ -141,6 +142,7 @@ static struct {
 		"b3bae548aa53d423b0d1f27ebba6f5e5"
 		"673a081d70cce7acfc48",
 	},
+#endif
 };
 
 int test_hkdf(void)

tests/pbkdf2test.c

@@ -101,6 +101,8 @@ void test(void)
 
 static int test_pbkdf2_genkey(void)
 {
+// FIXME: currently we only has SHA-1 tests, replace with SHA-256
+#ifdef ENABLE_BROKEN_CRYPTO
 	int i;
 	uint8_t key[64];
 	uint8_t buf[64];
@@ -123,7 +125,7 @@ static int test_pbkdf2_genkey(void)
 			fprintf(stderr, "test_pbkdf2_genkey test %d ok\n", i);
 		}
 	}
-
+#endif
 	printf("%s() ok\n", __FUNCTION__);
 	return 0;
 }