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-rw-r--r--lib/crypto/src/crypto.erl2
-rw-r--r--lib/stdlib/src/otp_internal.erl5
2 files changed, 7 insertions, 0 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index 631af62615..ce8add6559 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -40,6 +40,8 @@
-export([ec_curve/1, ec_curves/0]).
-export([rand_seed/1]).
+-deprecated({rand_uniform, 2, next_major_release}).
+
%% This should correspond to the similar macro in crypto.c
-define(MAX_BYTES_TO_NIF, 20000). %% Current value is: erlang:system_info(context_reductions) * 10
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index fda7a2cd8a..e141da52d9 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -55,6 +55,11 @@ obsolete_1(erlang, now, 0) ->
obsolete_1(calendar, local_time_to_universal_time, 1) ->
{deprecated, {calendar, local_time_to_universal_time_dst, 1}};
+%% *** CRYPTO added in OTP 20 ***
+
+obsolete_1(crypto, rand_uniform, 2) ->
+ {deprecated, {rand, uniform, 1}};
+
%% *** CRYPTO added in OTP 19 ***
obsolete_1(crypto, rand_bytes, 1) ->