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-rw-r--r--lib/crypto/c_src/Makefile.in5
-rw-r--r--lib/crypto/doc/src/crypto.xml2
-rw-r--r--lib/crypto/src/crypto.erl11
-rw-r--r--lib/crypto/test/crypto_SUITE.erl11
4 files changed, 23 insertions, 6 deletions
diff --git a/lib/crypto/c_src/Makefile.in b/lib/crypto/c_src/Makefile.in
index 276c84d601..c2a986c334 100644
--- a/lib/crypto/c_src/Makefile.in
+++ b/lib/crypto/c_src/Makefile.in
@@ -41,6 +41,7 @@ CFLAGS = $(DED_CFLAGS)
SSL_LIBDIR = @SSL_LIBDIR@
SSL_INCLUDE = @SSL_INCLUDE@
SSL_CRYPTO_LIBNAME = @SSL_CRYPTO_LIBNAME@
+SSL_SSL_LIBNAME = @SSL_SSL_LIBNAME@
INCLUDES = $(SSL_INCLUDE) $(DED_INCLUDES)
@@ -84,7 +85,7 @@ DYNAMIC_CRYPTO_LIB=@SSL_DYNAMIC_ONLY@
ifeq ($(DYNAMIC_CRYPTO_LIB),yes)
SSL_DED_LD_RUNTIME_LIBRARY_PATH = @SSL_DED_LD_RUNTIME_LIBRARY_PATH@
-CRYPTO_LINK_LIB=$(SSL_DED_LD_RUNTIME_LIBRARY_PATH) -L$(SSL_LIBDIR) -l$(SSL_CRYPTO_LIBNAME)
+CRYPTO_LINK_LIB=$(SSL_DED_LD_RUNTIME_LIBRARY_PATH) -L$(SSL_LIBDIR) -l$(SSL_CRYPTO_LIBNAME) -l$(SSL_SSL_LIBNAME)
else
SSL_DED_LD_RUNTIME_LIBRARY_PATH=
CRYPTO_LINK_LIB=$(SSL_LIBDIR)/lib$(SSL_CRYPTO_LIBNAME).a
@@ -112,7 +113,7 @@ $(LIBDIR)/crypto$(TYPEMARKER).so: $(OBJS)
$(LIBDIR)/crypto$(TYPEMARKER).dll: $(OBJS)
$(INSTALL_DIR) $(LIBDIR)
- $(LD) $(LDFLAGS) -o $@ $(SSL_DED_LD_RUNTIME_LIBRARY_PATH) -L$(SSL_LIBDIR) $(OBJS) -l$(SSL_CRYPTO_LIBNAME)
+ $(LD) $(LDFLAGS) -o $@ $(SSL_DED_LD_RUNTIME_LIBRARY_PATH) -L$(SSL_LIBDIR) $(OBJS) -l$(SSL_CRYPTO_LIBNAME) -l$(SSL_SSL_LIBNAME)
clean:
ifeq ($(findstring win32,$(TARGET)), win32)
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml
index 5cb8139062..b593958264 100644
--- a/lib/crypto/doc/src/crypto.xml
+++ b/lib/crypto/doc/src/crypto.xml
@@ -744,7 +744,7 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]>
<p>Generate a random number <c><![CDATA[N, Lo =< N < Hi.]]></c> Uses the
<c>crypto</c> library pseudo-random number generator. The
arguments (and result) can be either erlang integers or binary
- multi-precision integers.</p>
+ multi-precision integers. <c>Hi</c> must be larger than <c>Lo</c>.</p>
</desc>
</func>
<func>
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index 4392069e3d..ddad00f4b4 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -415,6 +415,13 @@ rand_uniform(From,To) when is_binary(From), is_binary(To) ->
Whatever
end;
rand_uniform(From,To) when is_integer(From),is_integer(To) ->
+ if From < 0 ->
+ rand_uniform_pos(0, To - From) + From;
+ true ->
+ rand_uniform_pos(From, To)
+ end.
+
+rand_uniform_pos(From,To) when From < To ->
BinFrom = mpint(From),
BinTo = mpint(To),
case rand_uniform(BinFrom, BinTo) of
@@ -422,7 +429,9 @@ rand_uniform(From,To) when is_integer(From),is_integer(To) ->
erlint(Result);
Other ->
Other
- end.
+ end;
+rand_uniform_pos(_,_) ->
+ error(badarg).
rand_uniform_nif(_From,_To) -> ?nif_stub.
diff --git a/lib/crypto/test/crypto_SUITE.erl b/lib/crypto/test/crypto_SUITE.erl
index 004858fdda..2fa058c852 100644
--- a/lib/crypto/test/crypto_SUITE.erl
+++ b/lib/crypto/test/crypto_SUITE.erl
@@ -878,10 +878,17 @@ rand_uniform_aux_test(0) ->
rand_uniform_aux_test(N) ->
?line L = N*1000,
?line H = N*100000+1,
+ ?line crypto_rand_uniform(L, H),
+ ?line crypto_rand_uniform(-L, L),
+ ?line crypto_rand_uniform(-H, -L),
+ ?line crypto_rand_uniform(-H, L),
+ ?line rand_uniform_aux_test(N-1).
+
+crypto_rand_uniform(L,H) ->
?line R1 = crypto:rand_uniform(L, H),
?line t(R1 >= L),
- ?line t(R1 < H),
- ?line rand_uniform_aux_test(N-1).
+ ?line t(R1 < H).
+
%%
%%