Update to openssl-1.0.1

4 files changed, 148 insertions, 17 deletions

diff --git a/openssl/crypto/rand/md_rand.c b/openssl/crypto/rand/md_rand.c
index b2f04ff13..fcdd3f2a8 100644
--- a/openssl/crypto/rand/md_rand.c
+++ b/openssl/crypto/rand/md_rand.c
@@ -109,6 +109,8 @@
  *
  */
 
+#define OPENSSL_FIPSEVP
+
 #ifdef MD_RAND_DEBUG
 # ifndef NDEBUG
 #   define NDEBUG
@@ -157,13 +159,14 @@ const char RAND_version[]="RAND" OPENSSL_VERSION_PTEXT;
 static void ssleay_rand_cleanup(void);
 static void ssleay_rand_seed(const void *buf, int num);
 static void ssleay_rand_add(const void *buf, int num, double add_entropy);
-static int ssleay_rand_bytes(unsigned char *buf, int num);
+static int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo);
+static int ssleay_rand_nopseudo_bytes(unsigned char *buf, int num);
 static int ssleay_rand_pseudo_bytes(unsigned char *buf, int num);
 static int ssleay_rand_status(void);
 
 RAND_METHOD rand_ssleay_meth={
 	ssleay_rand_seed,
-	ssleay_rand_bytes,
+	ssleay_rand_nopseudo_bytes,
 	ssleay_rand_cleanup,
 	ssleay_rand_add,
 	ssleay_rand_pseudo_bytes,
@@ -328,7 +331,7 @@ static void ssleay_rand_seed(const void *buf, int num)
 	ssleay_rand_add(buf, num, (double)num);
 	}
 
-static int ssleay_rand_bytes(unsigned char *buf, int num)
+static int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo)
 	{
 	static volatile int stirred_pool = 0;
 	int i,j,k,st_num,st_idx;
@@ -517,7 +520,9 @@ static int ssleay_rand_bytes(unsigned char *buf, int num)
 	EVP_MD_CTX_cleanup(&m);
 	if (ok)
 		return(1);
-	else
+	else if (pseudo)
+		return 0;
+	else 
 		{
 		RANDerr(RAND_F_SSLEAY_RAND_BYTES,RAND_R_PRNG_NOT_SEEDED);
 		ERR_add_error_data(1, "You need to read the OpenSSL FAQ, "
@@ -526,22 +531,16 @@ static int ssleay_rand_bytes(unsigned char *buf, int num)
 		}
 	}
 
+static int ssleay_rand_nopseudo_bytes(unsigned char *buf, int num)
+	{
+	return ssleay_rand_bytes(buf, num, 0);
+	}
+
 /* pseudo-random bytes that are guaranteed to be unique but not
    unpredictable */
 static int ssleay_rand_pseudo_bytes(unsigned char *buf, int num) 
 	{
-	int ret;
-	unsigned long err;
-
-	ret = RAND_bytes(buf, num);
-	if (ret == 0)
-		{
-		err = ERR_peek_error();
-		if (ERR_GET_LIB(err) == ERR_LIB_RAND &&
-		    ERR_GET_REASON(err) == RAND_R_PRNG_NOT_SEEDED)
-			ERR_clear_error();
-		}
-	return (ret);
+	return ssleay_rand_bytes(buf, num, 1);
 	}
 
 static int ssleay_rand_status(void)
diff --git a/openssl/crypto/rand/rand.h b/openssl/crypto/rand/rand.h
index ac6c02176..dc8fcf94c 100644
--- a/openssl/crypto/rand/rand.h
+++ b/openssl/crypto/rand/rand.h
@@ -119,6 +119,11 @@ int RAND_event(UINT, WPARAM, LPARAM);
 
 #endif
 
+#ifdef OPENSSL_FIPS
+void RAND_set_fips_drbg_type(int type, int flags);
+int RAND_init_fips(void);
+#endif
+
 /* BEGIN ERROR CODES */
 /* The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
@@ -129,9 +134,13 @@ void ERR_load_RAND_strings(void);
 
 /* Function codes. */
 #define RAND_F_RAND_GET_RAND_METHOD			 101
+#define RAND_F_RAND_INIT_FIPS				 102
 #define RAND_F_SSLEAY_RAND_BYTES			 100
 
 /* Reason codes. */
+#define RAND_R_ERROR_INITIALISING_DRBG			 102
+#define RAND_R_ERROR_INSTANTIATING_DRBG			 103
+#define RAND_R_NO_FIPS_RANDOM_METHOD_SET		 101
 #define RAND_R_PRNG_NOT_SEEDED				 100
 
 #ifdef  __cplusplus
diff --git a/openssl/crypto/rand/rand_err.c b/openssl/crypto/rand/rand_err.c
index 03cda4dd9..b8586c8f4 100644
--- a/openssl/crypto/rand/rand_err.c
+++ b/openssl/crypto/rand/rand_err.c
@@ -1,6 +1,6 @@
 /* crypto/rand/rand_err.c */
 /* ====================================================================
- * Copyright (c) 1999-2006 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2011 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -71,12 +71,16 @@
 static ERR_STRING_DATA RAND_str_functs[]=
 	{
 {ERR_FUNC(RAND_F_RAND_GET_RAND_METHOD),	"RAND_get_rand_method"},
+{ERR_FUNC(RAND_F_RAND_INIT_FIPS),	"RAND_init_fips"},
 {ERR_FUNC(RAND_F_SSLEAY_RAND_BYTES),	"SSLEAY_RAND_BYTES"},
 {0,NULL}
 	};
 
 static ERR_STRING_DATA RAND_str_reasons[]=
 	{
+{ERR_REASON(RAND_R_ERROR_INITIALISING_DRBG),"error initialising drbg"},
+{ERR_REASON(RAND_R_ERROR_INSTANTIATING_DRBG),"error instantiating drbg"},
+{ERR_REASON(RAND_R_NO_FIPS_RANDOM_METHOD_SET),"no fips random method set"},
 {ERR_REASON(RAND_R_PRNG_NOT_SEEDED)      ,"PRNG not seeded"},
 {0,NULL}
 	};
diff --git a/openssl/crypto/rand/rand_lib.c b/openssl/crypto/rand/rand_lib.c
index 513e33898..daf1dab97 100644
--- a/openssl/crypto/rand/rand_lib.c
+++ b/openssl/crypto/rand/rand_lib.c
@@ -60,10 +60,16 @@
 #include <time.h>
 #include "cryptlib.h"
 #include <openssl/rand.h>
+
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
 #endif
 
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#include <openssl/fips_rand.h>
+#endif
+
 #ifndef OPENSSL_NO_ENGINE
 /* non-NULL if default_RAND_meth is ENGINE-provided */
 static ENGINE *funct_ref =NULL;
@@ -174,3 +180,116 @@ int RAND_status(void)
 		return meth->status();
 	return 0;
 	}
+
+#ifdef OPENSSL_FIPS
+
+/* FIPS DRBG initialisation code. This sets up the DRBG for use by the
+ * rest of OpenSSL. 
+ */
+
+/* Entropy gatherer: use standard OpenSSL PRNG to seed (this will gather
+ * entropy internally through RAND_poll().
+ */
+
+static size_t drbg_get_entropy(DRBG_CTX *ctx, unsigned char **pout,
+                                int entropy, size_t min_len, size_t max_len)
+        {
+	/* Round up request to multiple of block size */
+	min_len = ((min_len + 19) / 20) * 20;
+	*pout = OPENSSL_malloc(min_len);
+	if (!*pout)
+		return 0;
+	if (RAND_SSLeay()->bytes(*pout, min_len) <= 0)
+		{
+		OPENSSL_free(*pout);
+		*pout = NULL;
+		return 0;
+		}
+        return min_len;
+        }
+
+static void drbg_free_entropy(DRBG_CTX *ctx, unsigned char *out, size_t olen)
+	{
+	OPENSSL_cleanse(out, olen);
+	OPENSSL_free(out);
+	}
+
+/* Set "additional input" when generating random data. This uses the
+ * current PID, a time value and a counter.
+ */
+
+static size_t drbg_get_adin(DRBG_CTX *ctx, unsigned char **pout)
+    	{
+	/* Use of static variables is OK as this happens under a lock */
+	static unsigned char buf[16];
+	static unsigned long counter;
+	FIPS_get_timevec(buf, &counter);
+	*pout = buf;
+	return sizeof(buf);
+	}
+
+/* RAND_add() and RAND_seed() pass through to OpenSSL PRNG so it is 
+ * correctly seeded by RAND_poll().
+ */
+
+static int drbg_rand_add(DRBG_CTX *ctx, const void *in, int inlen,
+				double entropy)
+	{
+	RAND_SSLeay()->add(in, inlen, entropy);
+	return 1;
+	}
+
+static int drbg_rand_seed(DRBG_CTX *ctx, const void *in, int inlen)
+	{
+	RAND_SSLeay()->seed(in, inlen);
+	return 1;
+	}
+
+#ifndef OPENSSL_DRBG_DEFAULT_TYPE
+#define OPENSSL_DRBG_DEFAULT_TYPE	NID_aes_256_ctr
+#endif
+#ifndef OPENSSL_DRBG_DEFAULT_FLAGS
+#define OPENSSL_DRBG_DEFAULT_FLAGS	DRBG_FLAG_CTR_USE_DF
+#endif 
+
+static int fips_drbg_type = OPENSSL_DRBG_DEFAULT_TYPE;
+static int fips_drbg_flags = OPENSSL_DRBG_DEFAULT_FLAGS;
+
+void RAND_set_fips_drbg_type(int type, int flags)
+	{
+	fips_drbg_type = type;
+	fips_drbg_flags = flags;
+	}
+
+int RAND_init_fips(void)
+	{
+	DRBG_CTX *dctx;
+	size_t plen;
+	unsigned char pers[32], *p;
+	dctx = FIPS_get_default_drbg();
+        if (FIPS_drbg_init(dctx, fips_drbg_type, fips_drbg_flags) <= 0)
+		{
+		RANDerr(RAND_F_RAND_INIT_FIPS, RAND_R_ERROR_INITIALISING_DRBG);
+		return 0;
+		}
+		
+        FIPS_drbg_set_callbacks(dctx,
+				drbg_get_entropy, drbg_free_entropy, 20,
+				drbg_get_entropy, drbg_free_entropy);
+	FIPS_drbg_set_rand_callbacks(dctx, drbg_get_adin, 0,
+					drbg_rand_seed, drbg_rand_add);
+	/* Personalisation string: a string followed by date time vector */
+	strcpy((char *)pers, "OpenSSL DRBG2.0");
+	plen = drbg_get_adin(dctx, &p);
+	memcpy(pers + 16, p, plen);
+
+        if (FIPS_drbg_instantiate(dctx, pers, sizeof(pers)) <= 0)
+		{
+		RANDerr(RAND_F_RAND_INIT_FIPS, RAND_R_ERROR_INSTANTIATING_DRBG);
+		return 0;
+		}
+        FIPS_rand_set_method(FIPS_drbg_method());
+	return 1;
+	}
+
+#endif