2 files changed, 8 insertions, 0 deletions

diff --git a/src/lib/libcrypto/hmac/hmac.c b/src/lib/libcrypto/hmac/hmac.c
index c45e001492..1d140f7adb 100644
--- a/src/lib/libcrypto/hmac/hmac.c
+++ b/src/lib/libcrypto/hmac/hmac.c
@@ -171,3 +171,10 @@ unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
         return(md);
         }
 
+void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags)
+        {
+        EVP_MD_CTX_set_flags(&ctx->i_ctx, flags);
+        EVP_MD_CTX_set_flags(&ctx->o_ctx, flags);
+        EVP_MD_CTX_set_flags(&ctx->md_ctx, flags);
+        }
+
diff --git a/src/lib/libcrypto/hmac/hmac.h b/src/lib/libcrypto/hmac/hmac.h
index 719fc408ac..fc38ffb52b 100644
--- a/src/lib/libcrypto/hmac/hmac.h
+++ b/src/lib/libcrypto/hmac/hmac.h
@@ -100,6 +100,7 @@ unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
                     const unsigned char *d, size_t n, unsigned char *md,
                     unsigned int *md_len);
 
+void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
 
 #ifdef  __cplusplus
 }