diff --git a/ChangeLog b/ChangeLog
index 9f72e89d054c02b919a3ae4bbb850fdc901c0cf7..2941fc0cf84a3eeb9743c12d212dbe53ffc7bf86 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,7 @@
 	* poly1305-internal.h: Likewise.
 	* salsa20-internal.h: Likewise.
 	* sha3-internal.h: Likewise.
+	* umac-internal.h: Likewise.
 
 2020-11-26  Niels Möller  <nisse@lysator.liu.se>
 
diff --git a/umac-internal.h b/umac-internal.h
index 1d2cc0916c6594638524ea2953a98fa02dcd794e..b07a7043ece68f86aba7dae5fd2bdc682b3fd6ca 100644
--- a/umac-internal.h
+++ b/umac-internal.h
@@ -36,24 +36,13 @@
 
 #include "nettle-types.h"
 
-#define _umac_set_key _nettle_umac_set_key
-#define _umac_nh _nettle_umac_nh
-#define _umac_nh_n _nettle_umac_nh_n
-#define _umac_poly64 _nettle_umac_poly64
-#define _umac_poly128 _nettle_umac_poly128
-#define _umac_l2_init _nettle_umac_l2_init
-#define _umac_l2 _nettle_umac_l2
-#define _umac_l2_final _nettle_umac_l2_final
-#define _umac_l3_init _nettle_umac_l3_init
-#define _umac_l3 _nettle_umac_l3
-
 void
-_umac_set_key (uint32_t *l1_key, uint32_t *l2_key,
-	       uint64_t *l3_key1, uint32_t *l3_key2,
-	       struct aes128_ctx *pad, const uint8_t *key, unsigned n);
+_nettle_umac_set_key (uint32_t *l1_key, uint32_t *l2_key,
+		      uint64_t *l3_key1, uint32_t *l3_key2,
+		      struct aes128_ctx *pad, const uint8_t *key, unsigned n);
 
 uint64_t
-_umac_nh (const uint32_t *key, unsigned length, const uint8_t *msg);
+_nettle_umac_nh (const uint32_t *key, unsigned length, const uint8_t *msg);
 
 /* Equivalent to
 
@@ -63,33 +52,33 @@ _umac_nh (const uint32_t *key, unsigned length, const uint8_t *msg);
    but processing input only once.
 */
 void
-_umac_nh_n (uint64_t *out, unsigned n, const uint32_t *key,
-	    unsigned length, const uint8_t *msg);
+_nettle_umac_nh_n (uint64_t *out, unsigned n, const uint32_t *key,
+		   unsigned length, const uint8_t *msg);
 
 /* Returns y*k + m (mod p), including "marker" processing. Return
    value is *not* in canonical representation, and must be normalized
    before the output is used. */
 uint64_t
-_umac_poly64 (uint32_t kh, uint32_t kl, uint64_t y, uint64_t m);
+_nettle_umac_poly64 (uint32_t kh, uint32_t kl, uint64_t y, uint64_t m);
 
 void
-_umac_poly128 (const uint32_t *k, uint64_t *y, uint64_t mh, uint64_t ml);
+_nettle_umac_poly128 (const uint32_t *k, uint64_t *y, uint64_t mh, uint64_t ml);
 
 void
-_umac_l2_init (unsigned size, uint32_t *k);
+_nettle_umac_l2_init (unsigned size, uint32_t *k);
 
 void
-_umac_l2(const uint32_t *key, uint64_t *state, unsigned n,
-	 uint64_t count, const uint64_t *m);
+_nettle_umac_l2(const uint32_t *key, uint64_t *state, unsigned n,
+		uint64_t count, const uint64_t *m);
 
 void
-_umac_l2_final(const uint32_t *key, uint64_t *state, unsigned n,
-	       uint64_t count);
+_nettle_umac_l2_final(const uint32_t *key, uint64_t *state, unsigned n,
+		      uint64_t count);
 
 void
-_umac_l3_init (unsigned size, uint64_t *k);
+_nettle_umac_l3_init (unsigned size, uint64_t *k);
 
 uint32_t
-_umac_l3 (const uint64_t *key, const uint64_t *m);
+_nettle_umac_l3 (const uint64_t *key, const uint64_t *m);
 
 #endif /* NETTLE_UMAC_INTERNAL_H_INCLUDED */
diff --git a/umac-l2.c b/umac-l2.c
index 97d6e2cb2756a5da538f8be872bd4f02cf8d6fd2..1e070ea874de122a4316d85aeeb8dfe402fe1003 100644
--- a/umac-l2.c
+++ b/umac-l2.c
@@ -53,7 +53,7 @@
 #endif
 
 void
-_umac_l2_init (unsigned size, uint32_t *k)
+_nettle_umac_l2_init (unsigned size, uint32_t *k)
 {
   unsigned i;
   for (i = 0; i < size; i++)
@@ -65,8 +65,8 @@ _umac_l2_init (unsigned size, uint32_t *k)
 }
 
 void
-_umac_l2(const uint32_t *key, uint64_t *state, unsigned n,
-	 uint64_t count, const uint64_t *m)
+_nettle_umac_l2(const uint32_t *key, uint64_t *state, unsigned n,
+		uint64_t count, const uint64_t *m)
 {
   uint64_t *prev = state + 2*n;
   unsigned i;
@@ -76,12 +76,12 @@ _umac_l2(const uint32_t *key, uint64_t *state, unsigned n,
   else if (count == 1)
     for (i = 0; i < n; i++, key += 6)
       {
-	uint64_t y = _umac_poly64 (key[0], key[1], 1, prev[i]);
-	state[2*i+1] = _umac_poly64 (key[0], key[1], y, m[i]);
+	uint64_t y = _nettle_umac_poly64 (key[0], key[1], 1, prev[i]);
+	state[2*i+1] = _nettle_umac_poly64 (key[0], key[1], y, m[i]);
       }
   else if (count < UMAC_POLY64_BLOCKS)
     for (i = 0; i < n; i++, key += 6)
-      state[2*i+1] = _umac_poly64 (key[0], key[1], state[2*i+1], m[i]);
+      state[2*i+1] = _nettle_umac_poly64 (key[0], key[1], state[2*i+1], m[i]);
   else if (count % 2 == 0)
     {
       if (count == UMAC_POLY64_BLOCKS)
@@ -93,18 +93,18 @@ _umac_l2(const uint32_t *key, uint64_t *state, unsigned n,
 	    state[2*i] = 0;
 	    state[2*i+1] = 1;
 
-	    _umac_poly128 (key, state + 2*i, 0, y);
+	    _nettle_umac_poly128 (key, state + 2*i, 0, y);
 	  }
       memcpy (prev, m, n * sizeof(*m));
     }
   else
     for (i = 0, key += 2; i < n; i++, key += 6)
-      _umac_poly128 (key, state + 2*i, prev[i], m[i]);
+      _nettle_umac_poly128 (key, state + 2*i, prev[i], m[i]);
 }
 
 void
-_umac_l2_final(const uint32_t *key, uint64_t *state, unsigned n,
-	       uint64_t count)
+_nettle_umac_l2_final(const uint32_t *key, uint64_t *state, unsigned n,
+		      uint64_t count)
 {
   uint64_t *prev = state + 2*n;
   unsigned i;
@@ -132,10 +132,10 @@ _umac_l2_final(const uint32_t *key, uint64_t *state, unsigned n,
       uint64_t pad = (uint64_t) 1 << 63;
       if (count % 2 == 1)
 	for (i = 0, key += 2; i < n; i++, key += 6)
-	  _umac_poly128 (key, state + 2*i, prev[i], pad);
+	  _nettle_umac_poly128 (key, state + 2*i, prev[i], pad);
       else
 	for (i = 0, key += 2; i < n; i++, key += 6)
-	  _umac_poly128 (key, state + 2*i, pad, 0);
+	  _nettle_umac_poly128 (key, state + 2*i, pad, 0);
 
       for (i = 0; i < n; i++, state += 2)
 	{
diff --git a/umac-l3.c b/umac-l3.c
index 6812ddfb2bdbc5496039cbfabd4c94d78ad03781..dc1450344940c3e602aea7c6f8af8e6f57ce463c 100644
--- a/umac-l3.c
+++ b/umac-l3.c
@@ -56,7 +56,7 @@
 #endif
 
 void
-_umac_l3_init (unsigned size, uint64_t *k)
+_nettle_umac_l3_init (unsigned size, uint64_t *k)
 {
   unsigned i;
   for (i = 0; i < size; i++)
@@ -83,7 +83,7 @@ umac_l3_word (const uint64_t *k, uint64_t w)
 }
 
 uint32_t
-_umac_l3 (const uint64_t *key, const uint64_t *m)
+_nettle_umac_l3 (const uint64_t *key, const uint64_t *m)
 {
   uint32_t y = (umac_l3_word (key, m[0])
 		+ umac_l3_word (key + 4, m[1])) % P;
diff --git a/umac-nh-n.c b/umac-nh-n.c
index 7c3998971dcb90c2f4c8d110a9f49bbace064975..0932112a83097cd34bd9188cbf4c5082655282ae 100644
--- a/umac-nh-n.c
+++ b/umac-nh-n.c
@@ -49,8 +49,8 @@ _nettle_umac_nh_n_c (uint64_t *out, unsigned n, const uint32_t *key,
 #endif
 
 void
-_umac_nh_n (uint64_t *out, unsigned n, const uint32_t *key,
-	    unsigned length, const uint8_t *msg)
+_nettle_umac_nh_n (uint64_t *out, unsigned n, const uint32_t *key,
+		   unsigned length, const uint8_t *msg)
 {
   assert (length > 0);
   assert (length <= 1024);
diff --git a/umac-nh.c b/umac-nh.c
index 9afbe804f3876f739b81511ff60073758a67dea6..309c360249b7cc9eeaefdec765992db969bb3a3e 100644
--- a/umac-nh.c
+++ b/umac-nh.c
@@ -47,7 +47,7 @@ _nettle_umac_nh_c (const uint32_t *key, unsigned length, const uint8_t *msg);
 #endif
 
 uint64_t
-_umac_nh (const uint32_t *key, unsigned length, const uint8_t *msg)
+_nettle_umac_nh (const uint32_t *key, unsigned length, const uint8_t *msg)
 {
   uint64_t y;
 
diff --git a/umac-poly128.c b/umac-poly128.c
index 1049b9095fc5cff21c626362851083f10fdf8350..3bf95f4c0352a1ccb1cf46cb07dfae51fbd5ed20 100644
--- a/umac-poly128.c
+++ b/umac-poly128.c
@@ -105,7 +105,7 @@ poly128_mul (const uint32_t *k, uint64_t *y)
 }
 
 void
-_umac_poly128 (const uint32_t *k, uint64_t *y, uint64_t mh, uint64_t ml)
+_nettle_umac_poly128 (const uint32_t *k, uint64_t *y, uint64_t mh, uint64_t ml)
 {
   uint64_t yh, yl, cy;
 
diff --git a/umac-poly64.c b/umac-poly64.c
index 11137cb5b476cab3625c9e9427304738afc37b5d..345d2bde308e58721bc3a5ba3e3f9a50e620ae12 100644
--- a/umac-poly64.c
+++ b/umac-poly64.c
@@ -63,7 +63,7 @@ poly64_mul (uint32_t kh, uint32_t kl, uint64_t y)
 }
 
 uint64_t
-_umac_poly64 (uint32_t kh, uint32_t kl, uint64_t y, uint64_t m)
+_nettle_umac_poly64 (uint32_t kh, uint32_t kl, uint64_t y, uint64_t m)
 {
   if ( (m >> 32) == 0xffffffff)
     {
diff --git a/umac-set-key.c b/umac-set-key.c
index 24aa390b379e6e8b6b1c4fccbc9d88938bebf91b..9f7464f0a303a1a81589ba1b75b7959ac9d7856a 100644
--- a/umac-set-key.c
+++ b/umac-set-key.c
@@ -78,9 +78,9 @@ umac_kdf (struct aes128_ctx *aes, unsigned index, unsigned length, uint8_t *dst)
 #endif
 
 void
-_umac_set_key (uint32_t *l1_key, uint32_t *l2_key,
-	       uint64_t *l3_key1, uint32_t *l3_key2,
-	       struct aes128_ctx *aes, const uint8_t *key, unsigned n)
+_nettle_umac_set_key (uint32_t *l1_key, uint32_t *l2_key,
+		      uint64_t *l3_key1, uint32_t *l3_key2,
+		      struct aes128_ctx *aes, const uint8_t *key, unsigned n)
 {
   unsigned size;
   uint8_t buffer[UMAC_KEY_SIZE];
@@ -93,11 +93,11 @@ _umac_set_key (uint32_t *l1_key, uint32_t *l2_key,
 
   size = 6*n;
   umac_kdf (aes, 2, size * sizeof(uint32_t), (uint8_t *) l2_key);
-  _umac_l2_init (size, l2_key);
+  _nettle_umac_l2_init (size, l2_key);
 
   size = 8*n;
   umac_kdf (aes, 3, size * sizeof(uint64_t), (uint8_t *) l3_key1);
-  _umac_l3_init (size, l3_key1);
+  _nettle_umac_l3_init (size, l3_key1);
 
   /* No need to byteswap these subkeys. */
   umac_kdf (aes, 4, n * sizeof(uint32_t), (uint8_t *) l3_key2);
diff --git a/umac128.c b/umac128.c
index 527e91ce3ee8703d232518006216b116a04b34a8..c555eb4fdaf2a3afb4a3fee4ff56c4a2a0dbed6d 100644
--- a/umac128.c
+++ b/umac128.c
@@ -44,8 +44,8 @@
 void
 umac128_set_key (struct umac128_ctx *ctx, const uint8_t *key)
 {
-  _umac_set_key (ctx->l1_key, ctx->l2_key, ctx->l3_key1, ctx->l3_key2,
-		 &ctx->pdf_key, key, 4);
+  _nettle_umac_set_key (ctx->l1_key, ctx->l2_key, ctx->l3_key1, ctx->l3_key2,
+			&ctx->pdf_key, key, 4);
 
   /* Clear nonce */
   memset (ctx->nonce, 0, sizeof(ctx->nonce));
@@ -70,12 +70,12 @@ umac128_set_nonce (struct umac128_ctx *ctx,
 
 #define UMAC128_BLOCK(ctx, block) do {					\
     uint64_t __umac128_y[4];						\
-    _umac_nh_n (__umac128_y, 4, ctx->l1_key, UMAC_BLOCK_SIZE, block);	\
+    _nettle_umac_nh_n (__umac128_y, 4, ctx->l1_key, UMAC_BLOCK_SIZE, block); \
     __umac128_y[0] += 8*UMAC_BLOCK_SIZE;				\
     __umac128_y[1] += 8*UMAC_BLOCK_SIZE;				\
     __umac128_y[2] += 8*UMAC_BLOCK_SIZE;				\
     __umac128_y[3] += 8*UMAC_BLOCK_SIZE;				\
-    _umac_l2 (ctx->l2_key, ctx->l2_state, 4, ctx->count++, __umac128_y); \
+    _nettle_umac_l2 (ctx->l2_key, ctx->l2_state, 4, ctx->count++, __umac128_y); \
   } while (0)
 
 void
@@ -103,12 +103,12 @@ umac128_digest (struct umac128_ctx *ctx,
       unsigned pad = (ctx->index > 0) ? 31 & - ctx->index : 32;
       memset (ctx->block + ctx->index, 0, pad);
 
-      _umac_nh_n (y, 4, ctx->l1_key, ctx->index + pad, ctx->block);
+      _nettle_umac_nh_n (y, 4, ctx->l1_key, ctx->index + pad, ctx->block);
       y[0] += 8 * ctx->index;
       y[1] += 8 * ctx->index;
       y[2] += 8 * ctx->index;
       y[3] += 8 * ctx->index;
-      _umac_l2 (ctx->l2_key, ctx->l2_state, 4, ctx->count++, y);
+      _nettle_umac_l2 (ctx->l2_key, ctx->l2_state, 4, ctx->count++, y);
     }
   assert (ctx->count > 0);
 
@@ -117,10 +117,10 @@ umac128_digest (struct umac128_ctx *ctx,
 
   INCREMENT (ctx->nonce_length, ctx->nonce);
 
-  _umac_l2_final (ctx->l2_key, ctx->l2_state, 4, ctx->count);
+  _nettle_umac_l2_final (ctx->l2_key, ctx->l2_state, 4, ctx->count);
   for (i = 0; i < 4; i++)
-    tag[i] ^= ctx->l3_key2[i] ^ _umac_l3 (ctx->l3_key1 + 8*i,
-					  ctx->l2_state + 2*i);
+    tag[i] ^= ctx->l3_key2[i] ^ _nettle_umac_l3 (ctx->l3_key1 + 8*i,
+						 ctx->l2_state + 2*i);
 
   memcpy (digest, tag, length);
 
diff --git a/umac32.c b/umac32.c
index cf9487c0599483c3700503d3ca217c17048970a2..47e5585e8f65a6f94bf5e427c2ab96706217c8a9 100644
--- a/umac32.c
+++ b/umac32.c
@@ -44,8 +44,8 @@
 void
 umac32_set_key (struct umac32_ctx *ctx, const uint8_t *key)
 {
-  _umac_set_key (ctx->l1_key, ctx->l2_key, ctx->l3_key1, ctx->l3_key2,
-		 &ctx->pdf_key, key, 1);
+  _nettle_umac_set_key (ctx->l1_key, ctx->l2_key, ctx->l3_key1, ctx->l3_key2,
+			&ctx->pdf_key, key, 1);
 
   /* Clear nonce */
   memset (ctx->nonce, 0, sizeof(ctx->nonce));
@@ -73,9 +73,9 @@ umac32_set_nonce (struct umac32_ctx *ctx,
 
 #define UMAC32_BLOCK(ctx, block) do {					\
     uint64_t __umac32_y							\
-      = _umac_nh (ctx->l1_key, UMAC_BLOCK_SIZE, block)			\
+      = _nettle_umac_nh (ctx->l1_key, UMAC_BLOCK_SIZE, block)		\
       + 8*UMAC_BLOCK_SIZE ;						\
-    _umac_l2 (ctx->l2_key, ctx->l2_state, 1, ctx->count++, &__umac32_y); \
+    _nettle_umac_l2 (ctx->l2_key, ctx->l2_state, 1, ctx->count++, &__umac32_y); \
   } while (0)
 
 void
@@ -102,9 +102,9 @@ umac32_digest (struct umac32_ctx *ctx,
       unsigned pad = (ctx->index > 0) ? 31 & - ctx->index : 32;
       memset (ctx->block + ctx->index, 0, pad);
 
-      y = _umac_nh (ctx->l1_key, ctx->index + pad, ctx->block)
+      y = _nettle_umac_nh (ctx->l1_key, ctx->index + pad, ctx->block)
 	+ 8 * ctx->index;
-      _umac_l2 (ctx->l2_key, ctx->l2_state, 1, ctx->count++, &y);
+      _nettle_umac_l2 (ctx->l2_key, ctx->l2_state, 1, ctx->count++, &y);
     }
   assert (ctx->count > 0);
   if ( !(ctx->nonce_low & _UMAC_NONCE_CACHED))
@@ -129,8 +129,8 @@ umac32_digest (struct umac32_ctx *ctx,
 	INCREMENT (i, ctx->nonce);
     }
 
-  _umac_l2_final (ctx->l2_key, ctx->l2_state, 1, ctx->count);
-  pad ^= ctx->l3_key2[0] ^ _umac_l3 (ctx->l3_key1, ctx->l2_state);
+  _nettle_umac_l2_final (ctx->l2_key, ctx->l2_state, 1, ctx->count);
+  pad ^= ctx->l3_key2[0] ^ _nettle_umac_l3 (ctx->l3_key1, ctx->l2_state);
   memcpy (digest, &pad, length);
 
   /* Reinitialize */
diff --git a/umac64.c b/umac64.c
index a53b950ddc1d054040a073357d409e71eb500c93..718dd61a1c6c995d0d85fc514419e1519ca9777e 100644
--- a/umac64.c
+++ b/umac64.c
@@ -44,8 +44,8 @@
 void
 umac64_set_key (struct umac64_ctx *ctx, const uint8_t *key)
 {
-  _umac_set_key (ctx->l1_key, ctx->l2_key, ctx->l3_key1, ctx->l3_key2,
-		 &ctx->pdf_key, key, 2);
+  _nettle_umac_set_key (ctx->l1_key, ctx->l2_key, ctx->l3_key1, ctx->l3_key2,
+			&ctx->pdf_key, key, 2);
 
   /* Clear nonce */
   memset (ctx->nonce, 0, sizeof(ctx->nonce));
@@ -73,10 +73,10 @@ umac64_set_nonce (struct umac64_ctx *ctx,
 
 #define UMAC64_BLOCK(ctx, block) do {					\
     uint64_t __umac64_y[2];						\
-    _umac_nh_n (__umac64_y, 2, ctx->l1_key, UMAC_BLOCK_SIZE, block);	\
+    _nettle_umac_nh_n (__umac64_y, 2, ctx->l1_key, UMAC_BLOCK_SIZE, block); \
     __umac64_y[0] += 8*UMAC_BLOCK_SIZE;					\
     __umac64_y[1] += 8*UMAC_BLOCK_SIZE;					\
-    _umac_l2 (ctx->l2_key, ctx->l2_state, 2, ctx->count++, __umac64_y);	\
+    _nettle_umac_l2 (ctx->l2_key, ctx->l2_state, 2, ctx->count++, __umac64_y); \
   } while (0)
 
 void
@@ -104,10 +104,10 @@ umac64_digest (struct umac64_ctx *ctx,
       unsigned pad = (ctx->index > 0) ? 31 & - ctx->index : 32;
       memset (ctx->block + ctx->index, 0, pad);
 
-      _umac_nh_n (y, 2, ctx->l1_key, ctx->index + pad, ctx->block);
+      _nettle_umac_nh_n (y, 2, ctx->l1_key, ctx->index + pad, ctx->block);
       y[0] += 8 * ctx->index;
       y[1] += 8 * ctx->index;
-      _umac_l2 (ctx->l2_key, ctx->l2_state, 2, ctx->count++, y);
+      _nettle_umac_l2 (ctx->l2_key, ctx->l2_state, 2, ctx->count++, y);
     }
   assert (ctx->count > 0);
   if ( !(ctx->nonce_low & _UMAC_NONCE_CACHED))
@@ -131,11 +131,11 @@ umac64_digest (struct umac64_ctx *ctx,
 	INCREMENT (i, ctx->nonce);
     }
 
-  _umac_l2_final (ctx->l2_key, ctx->l2_state, 2, ctx->count);
-  tag[0] = pad[0] ^ ctx->l3_key2[0] ^ _umac_l3 (ctx->l3_key1,
-						ctx->l2_state);
-  tag[1] = pad[1] ^ ctx->l3_key2[1] ^ _umac_l3 (ctx->l3_key1 + 8,
-						ctx->l2_state + 2);
+  _nettle_umac_l2_final (ctx->l2_key, ctx->l2_state, 2, ctx->count);
+  tag[0] = pad[0] ^ ctx->l3_key2[0] ^ _nettle_umac_l3 (ctx->l3_key1,
+						       ctx->l2_state);
+  tag[1] = pad[1] ^ ctx->l3_key2[1] ^ _nettle_umac_l3 (ctx->l3_key1 + 8,
+						       ctx->l2_state + 2);
   memcpy (digest, tag, length);
 
   /* Reinitialize */
diff --git a/umac96.c b/umac96.c
index 1f5585391887c5d781ec49f42d4bc98abd91832c..eaa733b43f91bbc4a32f0176e8e93bf520a87b97 100644
--- a/umac96.c
+++ b/umac96.c
@@ -44,8 +44,8 @@
 void
 umac96_set_key (struct umac96_ctx *ctx, const uint8_t *key)
 {
-  _umac_set_key (ctx->l1_key, ctx->l2_key, ctx->l3_key1, ctx->l3_key2,
-		 &ctx->pdf_key, key, 3);
+  _nettle_umac_set_key (ctx->l1_key, ctx->l2_key, ctx->l3_key1, ctx->l3_key2,
+			&ctx->pdf_key, key, 3);
 
   /* Clear nonce */
   memset (ctx->nonce, 0, sizeof(ctx->nonce));
@@ -70,11 +70,11 @@ umac96_set_nonce (struct umac96_ctx *ctx,
 
 #define UMAC96_BLOCK(ctx, block) do {					\
     uint64_t __umac96_y[3];						\
-    _umac_nh_n (__umac96_y, 3, ctx->l1_key, UMAC_BLOCK_SIZE, block);	\
+    _nettle_umac_nh_n (__umac96_y, 3, ctx->l1_key, UMAC_BLOCK_SIZE, block); \
     __umac96_y[0] += 8*UMAC_BLOCK_SIZE;					\
     __umac96_y[1] += 8*UMAC_BLOCK_SIZE;					\
     __umac96_y[2] += 8*UMAC_BLOCK_SIZE;					\
-    _umac_l2 (ctx->l2_key, ctx->l2_state, 3, ctx->count++, __umac96_y);	\
+    _nettle_umac_l2 (ctx->l2_key, ctx->l2_state, 3, ctx->count++, __umac96_y); \
   } while (0)
 
 void
@@ -102,11 +102,11 @@ umac96_digest (struct umac96_ctx *ctx,
       unsigned pad = (ctx->index > 0) ? 31 & - ctx->index : 32;
       memset (ctx->block + ctx->index, 0, pad);
 
-      _umac_nh_n (y, 3, ctx->l1_key, ctx->index + pad, ctx->block);
+      _nettle_umac_nh_n (y, 3, ctx->l1_key, ctx->index + pad, ctx->block);
       y[0] += 8 * ctx->index;
       y[1] += 8 * ctx->index;
       y[2] += 8 * ctx->index;
-      _umac_l2 (ctx->l2_key, ctx->l2_state, 3, ctx->count++, y);
+      _nettle_umac_l2 (ctx->l2_key, ctx->l2_state, 3, ctx->count++, y);
     }
   assert (ctx->count > 0);
 
@@ -115,10 +115,10 @@ umac96_digest (struct umac96_ctx *ctx,
 
   INCREMENT (ctx->nonce_length, ctx->nonce);
 
-  _umac_l2_final (ctx->l2_key, ctx->l2_state, 3, ctx->count);
+  _nettle_umac_l2_final (ctx->l2_key, ctx->l2_state, 3, ctx->count);
   for (i = 0; i < 3; i++)
-    tag[i] ^= ctx->l3_key2[i] ^ _umac_l3 (ctx->l3_key1 + 8*i,
-					  ctx->l2_state + 2*i);
+    tag[i] ^= ctx->l3_key2[i] ^ _nettle_umac_l3 (ctx->l3_key1 + 8*i,
+						 ctx->l2_state + 2*i);
 
   memcpy (digest, tag, length);