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-rw-r--r--crypto/idea/idea.org4
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/idea/idea.org b/crypto/idea/idea.org
index e0eb4e0d63..5b3084fada 100644
--- a/crypto/idea/idea.org
+++ b/crypto/idea/idea.org
@@ -85,7 +85,7 @@ typedef struct idea_key_st
} IDEA_KEY_SCHEDULE;
#ifndef NOPROTO
-char *idea_options(void);
+const char *idea_options(void);
void idea_ecb_encrypt(unsigned char *in, unsigned char *out,
IDEA_KEY_SCHEDULE *ks);
void idea_set_encrypt_key(unsigned char *key, IDEA_KEY_SCHEDULE *ks);
@@ -99,7 +99,7 @@ void idea_ofb64_encrypt(unsigned char *in, unsigned char *out,
long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int *num);
void idea_encrypt(unsigned long *in, IDEA_KEY_SCHEDULE *ks);
#else
-char *idea_options();
+const char *idea_options();
void idea_ecb_encrypt();
void idea_set_encrypt_key();
void idea_set_decrypt_key();