Index: lib/libmd/md4.h
===================================================================
--- lib/libmd/md4.h
+++ lib/libmd/md4.h
@@ -53,6 +53,12 @@
 #ifndef MD4End
 #define MD4End		_libmd_MD4End
 #endif
+#ifndef MD4Fd
+#define MD4Fd		_libmd_MD4Fd
+#endif
+#ifndef MD4FdChunk
+#define MD4FdChunk	_libmd_MD4FdChunk
+#endif
 #ifndef MD4File
 #define MD4File		_libmd_MD4File
 #endif
@@ -68,6 +74,8 @@
 void   MD4Pad(MD4_CTX *);
 void   MD4Final(unsigned char [16], MD4_CTX *);
 char * MD4End(MD4_CTX *, char *);
+char * MD4Fd(int, char *);
+char * MD4FdChunk(int, char *, off_t, off_t);
 char * MD4File(const char *, char *);
 char * MD4FileChunk(const char *, char *, off_t, off_t);
 char * MD4Data(const void *, unsigned int, char *);
Index: lib/libmd/md5.h
===================================================================
--- lib/libmd/md5.h
+++ lib/libmd/md5.h
@@ -25,6 +25,12 @@
 #ifndef MD5End
 #define MD5End		_libmd_MD5End
 #endif
+#ifndef MD5Fd
+#define MD5Fd		_libmd_MD5Fd
+#endif
+#ifndef MD5FdChunk
+#define MD5FdChunk	_libmd_MD5FdChunk
+#endif
 #ifndef MD5File
 #define MD5File		_libmd_MD5File
 #endif
Index: lib/libmd/mdXhl.c
===================================================================
--- lib/libmd/mdXhl.c
+++ lib/libmd/mdXhl.c
@@ -42,18 +42,18 @@
 }
 
 char *
-MDXFile(const char *filename, char *buf)
+MDXFd(int fd, char *buf)
 {
-	return (MDXFileChunk(filename, buf, 0, 0));
+	return MDXFdChunk(fd, buf, 0, 0);
 }
 
 char *
-MDXFileChunk(const char *filename, char *buf, off_t ofs, off_t len)
+MDXFdChunk(int fd, char *buf, off_t ofs, off_t len)
 {
 	unsigned char buffer[16*1024];
 	MDX_CTX ctx;
 	struct stat stbuf;
-	int fd, readrv, e;
+	int readrv, e;
 	off_t remain;
 
 	if (len < 0) {
@@ -62,9 +62,6 @@
 	}
 
 	MDXInit(&ctx);
-	fd = open(filename, O_RDONLY);
-	if (fd < 0)
-		return NULL;
 	if (ofs != 0) {
 		errno = 0;
 		if (lseek(fd, ofs, SEEK_SET) != ofs ||
@@ -86,15 +83,34 @@
 		remain -= readrv;
 	} 
 error:
-	e = errno;
-	close(fd);
-	errno = e;
 	if (readrv < 0)
 		return NULL;
 	return (MDXEnd(&ctx, buf));
 }
 
 char *
+MDXFile(const char *filename, char *buf)
+{
+	return (MDXFileChunk(filename, buf, 0, 0));
+}
+
+char *
+MDXFileChunk(const char *filename, char *buf, off_t ofs, off_t len)
+{
+	char *ret;
+	int e, fd;
+
+	fd = open(filename, O_RDONLY);
+	if (fd < 0)
+		return NULL;
+	ret = MDXFdChunk(fd, buf, ofs, len);
+	e = errno;
+	close (fd);
+	errno = e;
+	return ret;
+}
+
+char *
 MDXData (const void *data, unsigned int len, char *buf)
 {
 	MDX_CTX ctx;
Index: lib/libmd/ripemd.h
===================================================================
--- lib/libmd/ripemd.h
+++ lib/libmd/ripemd.h
@@ -96,6 +96,12 @@
 #ifndef RIPEMD160_End
 #define RIPEMD160_End		_libmd_RIPEMD160_End
 #endif
+#ifndef RIPEMD160_Fd
+#define RIPEMD160_Fd		_libmd_RIPEMD160_Fd
+#endif
+#ifndef RIPEMD160_FdChunk
+#define RIPEMD160_FdChunk	_libmd_RIPEMD160_FdChunk
+#endif
 #ifndef RIPEMD160_File
 #define RIPEMD160_File		_libmd_RIPEMD160_File
 #endif
@@ -121,6 +127,8 @@
 			 size_t len);
 void	RIPEMD160_Final(unsigned char *md, RIPEMD160_CTX *c);
 char   *RIPEMD160_End(RIPEMD160_CTX *, char *);
+char   *RIPEMD160_Fd(int, char *);
+char   *RIPEMD160_FdChunk(int, char *, off_t, off_t);
 char   *RIPEMD160_File(const char *, char *);
 char   *RIPEMD160_FileChunk(const char *, char *, off_t, off_t);
 char   *RIPEMD160_Data(const void *, unsigned int, char *);
Index: lib/libmd/sha.h
===================================================================
--- lib/libmd/sha.h
+++ lib/libmd/sha.h
@@ -94,6 +94,12 @@
 #ifndef SHA_End
 #define SHA_End		_libmd_SHA_End
 #endif
+#ifndef SHA_Fd
+#define SHA_Fd		_libmd_SHA_Fd
+#endif
+#ifndef SHA_FdChunk
+#define SHA_FdChunk	_libmd_SHA_FdChunk
+#endif
 #ifndef SHA_File
 #define SHA_File	_libmd_SHA_File
 #endif
@@ -126,6 +132,12 @@
 #ifndef SHA1_End
 #define SHA1_End	_libmd_SHA1_End
 #endif
+#ifndef SHA1_Fd
+#define SHA1_Fd		_libmd_SHA1_Fd
+#endif
+#ifndef SHA1_FdChunk
+#define SHA1_FdChunk	_libmd_SHA1_FdChunk
+#endif
 #ifndef SHA1_File
 #define SHA1_File	_libmd_SHA1_File
 #endif
@@ -150,6 +162,8 @@
 void	SHA_Update(SHA_CTX *c, const void *data, size_t len);
 void	SHA_Final(unsigned char *md, SHA_CTX *c);
 char   *SHA_End(SHA_CTX *, char *);
+char   *SHA_Fd(int, char *);
+char   *SHA_FdChunk(int, char *, off_t, off_t);
 char   *SHA_File(const char *, char *);
 char   *SHA_FileChunk(const char *, char *, off_t, off_t);
 char   *SHA_Data(const void *, unsigned int, char *);
@@ -158,6 +172,8 @@
 void	SHA1_Update(SHA_CTX *c, const void *data, size_t len);
 void	SHA1_Final(unsigned char *md, SHA_CTX *c);
 char   *SHA1_End(SHA_CTX *, char *);
+char   *SHA1_Fd(int, char *);
+char   *SHA1_FdChunk(int, char *, off_t, off_t);
 char   *SHA1_File(const char *, char *);
 char   *SHA1_FileChunk(const char *, char *, off_t, off_t);
 char   *SHA1_Data(const void *, unsigned int, char *);
Index: sys/crypto/sha2/sha256.h
===================================================================
--- sys/crypto/sha2/sha256.h
+++ sys/crypto/sha2/sha256.h
@@ -59,6 +59,12 @@
 #ifndef SHA256_End
 #define SHA256_End		_libmd_SHA256_End
 #endif
+#ifndef SHA256_Fd
+#define SHA256_Fd		_libmd_SHA256_Fd
+#endif
+#ifndef SHA256_FdChunk
+#define SHA256_FdChunk		_libmd_SHA256_FdChunk
+#endif
 #ifndef SHA256_File
 #define SHA256_File		_libmd_SHA256_File
 #endif
@@ -82,6 +88,8 @@
 #ifndef _KERNEL
 char   *SHA256_End(SHA256_CTX *, char *);
 char   *SHA256_Data(const void *, unsigned int, char *);
+char   *SHA256_Fd(int, char *);
+char   *SHA256_FdChunk(int, char *, off_t, off_t);
 char   *SHA256_File(const char *, char *);
 char   *SHA256_FileChunk(const char *, char *, off_t, off_t);
 #endif
Index: sys/crypto/sha2/sha384.h
===================================================================
--- sys/crypto/sha2/sha384.h
+++ sys/crypto/sha2/sha384.h
@@ -58,6 +58,12 @@
 #ifndef SHA384_End
 #define SHA384_End		_libmd_SHA384_End
 #endif
+#ifndef SHA384_Fd
+#define SHA384_Fd		_libmd_SHA384_Fd
+#endif
+#ifndef SHA384_FdChunk
+#define SHA384_FdChunk		_libmd_SHA384_FdChunk
+#endif
 #ifndef SHA384_File
 #define SHA384_File		_libmd_SHA384_File
 #endif
@@ -78,6 +84,8 @@
 #ifndef _KERNEL
 char   *SHA384_End(SHA384_CTX *, char *);
 char   *SHA384_Data(const void *, unsigned int, char *);
+char   *SHA384_Fd(int, char *);
+char   *SHA384_FdChunk(int, char *, off_t, off_t);
 char   *SHA384_File(const char *, char *);
 char   *SHA384_FileChunk(const char *, char *, off_t, off_t);
 #endif
Index: sys/crypto/sha2/sha512.h
===================================================================
--- sys/crypto/sha2/sha512.h
+++ sys/crypto/sha2/sha512.h
@@ -58,6 +58,12 @@
 #ifndef SHA512_End
 #define SHA512_End		_libmd_SHA512_End
 #endif
+#ifndef SHA512_Fd
+#define SHA512_Fd		_libmd_SHA512_Fd
+#endif
+#ifndef SHA512_FdChunk
+#define SHA512_FdChunk		_libmd_SHA512_FdChunk
+#endif
 #ifndef SHA512_File
 #define SHA512_File		_libmd_SHA512_File
 #endif
@@ -81,6 +87,8 @@
 #ifndef _KERNEL
 char   *SHA512_End(SHA512_CTX *, char *);
 char   *SHA512_Data(const void *, unsigned int, char *);
+char   *SHA512_Fd(int, char *);
+char   *SHA512_FdChunk(int, char *, off_t, off_t);
 char   *SHA512_File(const char *, char *);
 char   *SHA512_FileChunk(const char *, char *, off_t, off_t);
 #endif
Index: sys/crypto/sha2/sha512t.h
===================================================================
--- sys/crypto/sha2/sha512t.h
+++ sys/crypto/sha2/sha512t.h
@@ -84,6 +84,12 @@
 #ifndef SHA512_256_End
 #define SHA512_256_End		_libmd_SHA512_256_End
 #endif
+#ifndef SHA512_256_Fd
+#define SHA512_256_Fd		_libmd_SHA512_256_Fd
+#endif
+#ifndef SHA512_256_FdChunk
+#define SHA512_256_FdChunk	_libmd_SHA512_256_FdChunk
+#endif
 #ifndef SHA512_256_File
 #define SHA512_256_File		_libmd_SHA512_256_File
 #endif
@@ -107,6 +113,8 @@
 #ifndef _KERNEL
 char   *SHA512_224_End(SHA512_CTX *, char *);
 char   *SHA512_224_Data(const void *, unsigned int, char *);
+char   *SHA512_224_Fd(int, char *);
+char   *SHA512_224_FdChunk(int, char *, off_t, off_t);
 char   *SHA512_224_File(const char *, char *);
 char   *SHA512_224_FileChunk(const char *, char *, off_t, off_t);
 #endif
@@ -116,6 +124,8 @@
 #ifndef _KERNEL
 char   *SHA512_256_End(SHA512_CTX *, char *);
 char   *SHA512_256_Data(const void *, unsigned int, char *);
+char   *SHA512_256_Fd(int, char *);
+char   *SHA512_256_FdChunk(int, char *, off_t, off_t);
 char   *SHA512_256_File(const char *, char *);
 char   *SHA512_256_FileChunk(const char *, char *, off_t, off_t);
 #endif
Index: sys/crypto/skein/skein_freebsd.h
===================================================================
--- sys/crypto/skein/skein_freebsd.h
+++ sys/crypto/skein/skein_freebsd.h
@@ -68,6 +68,12 @@
 char   *SKEIN256_Data(const void *, unsigned int, char *);
 char   *SKEIN512_Data(const void *, unsigned int, char *);
 char   *SKEIN1024_Data(const void *, unsigned int, char *);
+char   *SKEIN256_Fd(int, char *);
+char   *SKEIN512_Fd(int, char *);
+char   *SKEIN1024_Fd(int, char *);
+char   *SKEIN256_FdChunk(int, char *, off_t, off_t);
+char   *SKEIN512_FdChunk(int, char *, off_t, off_t);
+char   *SKEIN1024_FdChunk(int, char *, off_t, off_t);
 char   *SKEIN256_File(const char *, char *);
 char   *SKEIN512_File(const char *, char *);
 char   *SKEIN1024_File(const char *, char *);
Index: sys/crypto/skein/skein_port.h
===================================================================
--- sys/crypto/skein/skein_port.h
+++ sys/crypto/skein/skein_port.h
@@ -137,6 +137,16 @@
 #define SKEIN512_End		_libmd_SKEIN512_End
 #define SKEIN1024_End		_libmd_SKEIN1024_End
 #endif
+#ifndef SKEIN256_Fd
+#define SKEIN256_Fd		_libmd_SKEIN256_Fd
+#define SKEIN512_Fd		_libmd_SKEIN512_Fd
+#define SKEIN1024_Fd		_libmd_SKEIN1024_Fd
+#endif
+#ifndef SKEIN256_FdChunk
+#define SKEIN256_FdChunk	_libmd_SKEIN256_FdChunk
+#define SKEIN512_FdChunk	_libmd_SKEIN512_FdChunk
+#define SKEIN1024_FdChunk	_libmd_SKEIN1024_FdChunk
+#endif
 #ifndef SKEIN256_File
 #define SKEIN256_File		_libmd_SKEIN256_File
 #define SKEIN512_File		_libmd_SKEIN512_File
Index: sys/sys/md5.h
===================================================================
--- sys/sys/md5.h
+++ sys/sys/md5.h
@@ -47,6 +47,8 @@
 void   MD5Final (unsigned char[static MD5_DIGEST_LENGTH], MD5_CTX *);
 #ifndef _KERNEL
 char * MD5End(MD5_CTX *, char *);
+char * MD5Fd(int, char *);
+char * MD5FdChunk(int, char *, off_t, off_t);
 char * MD5File(const char *, char *);
 char * MD5FileChunk(const char *, char *, off_t, off_t);
 char * MD5Data(const void *, unsigned int, char *);