Namespacing: Use mlk_xxx prefix for all identifiers of global scope

This commit changes the name of all identifiers in global scope by adding a prefix `mlk_`. For example, `check_pk` becomes `mlk_check_pk`, and the struct `poly` becomes `mlk_poly`. Excluded is the standard crypto_kem_xxx API, which stays as is. Signed-off-by: Hanno Becker <beckphan@amazon.co.uk>
pq-code-package · Feb 6, 2025 · 6fc8f02 · 6fc8f02
1 parent 94c8b47
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diff --git a/dev/aarch64_clean/src/aarch64_zetas.c b/dev/aarch64_clean/src/aarch64_zetas.c
@@ -20,7 +20,7 @@
  * Table of zeta values used in the AArch64 forward NTT
  * See autogen for details.
  */
-MLK_ALIGN const int16_t aarch64_ntt_zetas_layer01234[] = {
+MLK_ALIGN const int16_t mlk_aarch64_ntt_zetas_layer01234[] = {
     -1600, -15749, -749,  -7373,  -40,   -394,   -687, -6762, 630,  6201,
     -1432, -14095, 848,   8347,   0,     0,      1062, 10453, 296,  2914,
     -882,  -8682,  0,     0,      -1410, -13879, 1339, 13180, 1476, 14529,
@@ -31,7 +31,7 @@ MLK_ALIGN const int16_t aarch64_ntt_zetas_layer01234[] = {
     0,     0,      -1583, -15582, -1355, -13338, 821,  8081,  0,    0,
 };
 
-MLK_ALIGN const int16_t aarch64_ntt_zetas_layer56[] = {
+MLK_ALIGN const int16_t mlk_aarch64_ntt_zetas_layer56[] = {
     289,    289,    331,    331,    -76,    -76,    -1573,  -1573,  2845,
     2845,   3258,   3258,   -748,   -748,   -15483, -15483, 17,     17,
     583,    583,    1637,   1637,   -1041,  -1041,  167,    167,    5739,
@@ -88,7 +88,7 @@ MLK_ALIGN const int16_t aarch64_invntt_zetas_layer01234[] = {
     -848,  -8347,  1432,  14095,  -630,  -6201,  687,   6762,   0,     0,
 };
 
-MLK_ALIGN const int16_t aarch64_invntt_zetas_layer56[] = {
+MLK_ALIGN const int16_t mlk_aarch64_invntt_zetas_layer56[] = {
     -910,   -910,   -1227,  -1227,  219,    219,    855,    855,    -8957,
     -8957,  -12078, -12078, 2156,   2156,   8416,   8416,   1175,   1175,
     394,    394,    -1029,  -1029,  -1212,  -1212,  11566,  11566,  3878,

diff --git a/dev/aarch64_clean/src/arith_native_aarch64.h b/dev/aarch64_clean/src/arith_native_aarch64.h
@@ -8,49 +8,49 @@
 #include <stdint.h>
 #include "../../../common.h"
 
-#define aarch64_ntt_zetas_layer01234 MLK_NAMESPACE(aarch64_ntt_zetas_layer01234)
-#define aarch64_ntt_zetas_layer56 MLK_NAMESPACE(aarch64_ntt_zetas_layer56)
+#define mlk_aarch64_ntt_zetas_layer01234 MLK_NAMESPACE(aarch64_ntt_zetas_layer01234)
+#define mlk_aarch64_ntt_zetas_layer56 MLK_NAMESPACE(aarch64_ntt_zetas_layer56)
 #define aarch64_invntt_zetas_layer01234 \
   MLK_NAMESPACE(aarch64_invntt_zetas_layer01234)
-#define aarch64_invntt_zetas_layer56 MLK_NAMESPACE(aarch64_invntt_zetas_layer56)
+#define mlk_aarch64_invntt_zetas_layer56 MLK_NAMESPACE(aarch64_invntt_zetas_layer56)
 #define aarch64_zetas_mulcache_native \
   MLK_NAMESPACE(aarch64_zetas_mulcache_native)
 #define aarch64_zetas_mulcache_twisted_native \
   MLK_NAMESPACE(aarch64_zetas_mulcache_twisted_native)
-#define rej_uniform_table MLK_NAMESPACE(rej_uniform_table)
+#define mlk_rej_uniform_table MLK_NAMESPACE(rej_uniform_table)
 
-extern const int16_t aarch64_ntt_zetas_layer01234[];
-extern const int16_t aarch64_ntt_zetas_layer56[];
+extern const int16_t mlk_aarch64_ntt_zetas_layer01234[];
+extern const int16_t mlk_aarch64_ntt_zetas_layer56[];
 extern const int16_t aarch64_invntt_zetas_layer01234[];
-extern const int16_t aarch64_invntt_zetas_layer56[];
+extern const int16_t mlk_aarch64_invntt_zetas_layer56[];
 extern const int16_t aarch64_zetas_mulcache_native[];
 extern const int16_t aarch64_zetas_mulcache_twisted_native[];
-extern const uint8_t rej_uniform_table[];
+extern const uint8_t mlk_rej_uniform_table[];
 
-#define ntt_asm_clean MLK_NAMESPACE(ntt_asm_clean)
-void ntt_asm_clean(int16_t *, const int16_t *, const int16_t *);
+#define mlk_ntt_asm_clean MLK_NAMESPACE(ntt_asm_clean)
+void mlk_ntt_asm_clean(int16_t *, const int16_t *, const int16_t *);
 
-#define intt_asm_clean MLK_NAMESPACE(intt_asm_clean)
-void intt_asm_clean(int16_t *, const int16_t *, const int16_t *);
+#define mlk_intt_asm_clean MLK_NAMESPACE(intt_asm_clean)
+void mlk_intt_asm_clean(int16_t *, const int16_t *, const int16_t *);
 
-#define rej_uniform_asm_clean MLK_NAMESPACE(rej_uniform_asm_clean)
-unsigned rej_uniform_asm_clean(int16_t *r, const uint8_t *buf, unsigned buflen,
+#define mlk_rej_uniform_asm_clean MLK_NAMESPACE(rej_uniform_asm_clean)
+unsigned mlk_rej_uniform_asm_clean(int16_t *r, const uint8_t *buf, unsigned buflen,
                                const uint8_t *table);
 
-#define poly_reduce_asm_clean MLK_NAMESPACE(poly_reduce_asm_clean)
-void poly_reduce_asm_clean(int16_t *);
+#define mlk_poly_reduce_asm_clean MLK_NAMESPACE(poly_reduce_asm_clean)
+void mlk_poly_reduce_asm_clean(int16_t *);
 
-#define poly_tomont_asm_clean MLK_NAMESPACE(poly_tomont_asm_clean)
-void poly_tomont_asm_clean(int16_t *);
+#define mlk_poly_tomont_asm_clean MLK_NAMESPACE(poly_tomont_asm_clean)
+void mlk_poly_tomont_asm_clean(int16_t *);
 
 #define poly_mulcache_compute_asm_clean \
   MLK_NAMESPACE(poly_mulcache_compute_asm_clean)
 void poly_mulcache_compute_asm_clean(int16_t *, const int16_t *,
                                      const int16_t *, const int16_t *);
 
 
-#define poly_tobytes_asm_clean MLK_NAMESPACE(poly_tobytes_asm_clean)
-void poly_tobytes_asm_clean(uint8_t *r, const int16_t *a);
+#define mlk_poly_tobytes_asm_clean MLK_NAMESPACE(poly_tobytes_asm_clean)
+void mlk_poly_tobytes_asm_clean(uint8_t *r, const int16_t *a);
 
 #define polyvec_basemul_acc_montgomery_cached_asm_k2_clean \
   MLK_NAMESPACE(polyvec_basemul_acc_montgomery_cached_asm_k2_clean)

diff --git a/dev/aarch64_clean/src/clean_impl.h b/dev/aarch64_clean/src/clean_impl.h
@@ -26,23 +26,23 @@
 
 static MLK_INLINE void ntt_native(int16_t data[MLKEM_N])
 {
-  ntt_asm_clean(data, aarch64_ntt_zetas_layer01234, aarch64_ntt_zetas_layer56);
+  mlk_ntt_asm_clean(data, mlk_aarch64_ntt_zetas_layer01234, mlk_aarch64_ntt_zetas_layer56);
 }
 
 static MLK_INLINE void intt_native(int16_t data[MLKEM_N])
 {
-  intt_asm_clean(data, aarch64_invntt_zetas_layer01234,
-                 aarch64_invntt_zetas_layer56);
+  mlk_intt_asm_clean(data, aarch64_invntt_zetas_layer01234,
+                 mlk_aarch64_invntt_zetas_layer56);
 }
 
 static MLK_INLINE void poly_reduce_native(int16_t data[MLKEM_N])
 {
-  poly_reduce_asm_clean(data);
+  mlk_poly_reduce_asm_clean(data);
 }
 
 static MLK_INLINE void poly_tomont_native(int16_t data[MLKEM_N])
 {
-  poly_tomont_asm_clean(data);
+  mlk_poly_tomont_asm_clean(data);
 }
 
 static MLK_INLINE void poly_mulcache_compute_native(int16_t x[MLKEM_N / 2],
@@ -76,7 +76,7 @@ static MLK_INLINE void polyvec_basemul_acc_montgomery_cached_k4_native(
 static MLK_INLINE void poly_tobytes_native(uint8_t r[MLKEM_POLYBYTES],
                                            const int16_t a[MLKEM_N])
 {
-  poly_tobytes_asm_clean(r, a);
+  mlk_poly_tobytes_asm_clean(r, a);
 }
 
 static MLK_INLINE int rej_uniform_native(int16_t *r, unsigned len,
@@ -86,7 +86,7 @@ static MLK_INLINE int rej_uniform_native(int16_t *r, unsigned len,
   {
     return -1;
   }
-  return (int)rej_uniform_asm_clean(r, buf, buflen, rej_uniform_table);
+  return (int)mlk_rej_uniform_asm_clean(r, buf, buflen, mlk_rej_uniform_table);
 }
 
 #endif /* MLK_ARITH_PROFILE_IMPL_H */

diff --git a/dev/aarch64_clean/src/consts.h b/dev/aarch64_clean/src/consts.h
@@ -9,8 +9,8 @@
 #include <stdint.h>
 #include "../../../common.h"
 
-#define zetas_mulcache_native MLK_NAMESPACE(zetas_mulcache_native)
-extern const int16_t zetas_mulcache_native[256];
+#define mlk_zetas_mulcache_native MLK_NAMESPACE(zetas_mulcache_native)
+extern const int16_t mlk_zetas_mulcache_native[256];
 
 #define zetas_mulcache_twisted_native \
   MLK_NAMESPACE(zetas_mulcache_twisted_native)

diff --git a/dev/aarch64_clean/src/intt_clean.S b/dev/aarch64_clean/src/intt_clean.S
@@ -68,7 +68,7 @@
         mulmod \dst3, \src3, ninv, ninv_tw
 .endm
 
-.macro barrett_reduce a
+.macro mlk_barrett_reduce a
         sqdmulh t0.8h,    \a\().8h, consts.h[1]
         srshr   t0.8h,    t0.8h,    #11
         mls     \a\().8h, t0.8h,    consts.h[0]
@@ -271,10 +271,10 @@ layer3456_start:
 
         // Not all of those reductions are needed, but the bounds tracking
         // is easier if we uniformly reduce at this point.
-        barrett_reduce data0
-        barrett_reduce data2
-        barrett_reduce data1
-        barrett_reduce data3
+        mlk_barrett_reduce data0
+        mlk_barrett_reduce data2
+        mlk_barrett_reduce data1
+        mlk_barrett_reduce data3
 
         // Bounds: q/2
 

diff --git a/dev/aarch64_clean/src/ntt_clean.S b/dev/aarch64_clean/src/ntt_clean.S
@@ -189,7 +189,7 @@ MLK_ASM_NAMESPACE(ntt_asm_clean):
         // is modified through the addition/subtraction of a Montgomery
         // product of a twiddle of absolute value < q/2 and a layer-N value.
         // - Recalling that for C such that |a| < C * q and |t|<q/2, we have
-        // |fqmul(a,t)| < q * (0.0254*C + 1/2), we see that the coefficients
+        // |mlk_fqmul(a,t)| < q * (0.0254*C + 1/2), we see that the coefficients
         // of layer N (starting with layer 0 = input data) are bound by q * f^N(1),
         // where f(C) = 1/2 + 1.0508*C.
         // For N=7, we get the bound of f^7(1) * q < 18295.

diff --git a/dev/aarch64_clean/src/optimize.sh b/dev/aarch64_clean/src/optimize.sh
@@ -7,7 +7,7 @@ set -e
 TARGET_NAME="Cortex-A55"
 TARGET=Arm_Cortex_A55
 
-echo "* polyvec_basemul_acc_montgomery_cached, K=2, ${TARGET_NAME}"
+echo "* mlk_polyvec_basemul_acc_montgomery_cached, K=2, ${TARGET_NAME}"
 
 cp polyvec_clean.S polyvec_opt.S
 
@@ -23,7 +23,7 @@ slothy-cli Arm_AArch64 $TARGET \
   -c variable_size \
   -c constraints.stalls_first_attempt=64
 
-echo "* polyvec_basemul_acc_montgomery_cached, K=3, ${TARGET_NAME}"
+echo "* mlk_polyvec_basemul_acc_montgomery_cached, K=3, ${TARGET_NAME}"
 
 slothy-cli Arm_AArch64 $TARGET \
   polyvec_opt.S -o polyvec_opt.S \
@@ -37,7 +37,7 @@ slothy-cli Arm_AArch64 $TARGET \
   -c variable_size \
   -c constraints.stalls_first_attempt=64
 
-echo "* polyvec_basemul_acc_montgomery_cached, K=4, ${TARGET_NAME}"
+echo "* mlk_polyvec_basemul_acc_montgomery_cached, K=4, ${TARGET_NAME}"
 
 slothy-cli Arm_AArch64 $TARGET \
   polyvec_opt.S -o polyvec_opt.S \
@@ -53,11 +53,11 @@ slothy-cli Arm_AArch64 $TARGET \
 
 cp poly_clean.S poly_opt.S
 
-echo "* poly_reduce, ${TARGET_NAME}"
+echo "* mlk_poly_reduce, ${TARGET_NAME}"
 
 slothy-cli Arm_AArch64 $TARGET \
   poly_opt.S -o poly_opt.S \
-  -r poly_reduce_asm_clean,poly_reduce_asm_opt \
+  -r mlk_poly_reduce_asm_clean,mlk_poly_reduce_asm_opt \
   -l loop_start \
   -c sw_pipelining.enabled=true \
   -c inputs_are_outputs \
@@ -66,7 +66,7 @@ slothy-cli Arm_AArch64 $TARGET \
   -c variable_size \
   -c constraints.stalls_first_attempt=64
 
-echo "* poly_mulcache_compute, ${TARGET_NAME}"
+echo "* mlk_poly_mulcache_compute, ${TARGET_NAME}"
 
 slothy-cli Arm_AArch64 $TARGET \
   poly_opt.S -o poly_opt.S \
@@ -79,11 +79,11 @@ slothy-cli Arm_AArch64 $TARGET \
   -c variable_size \
   -c constraints.stalls_first_attempt=64
 
-echo "* poly_tomont, ${TARGET_NAME}"
+echo "* mlk_poly_tomont, ${TARGET_NAME}"
 
 slothy-cli Arm_AArch64 $TARGET \
   poly_opt.S -o poly_opt.S \
-  -r poly_tomont_asm_clean,poly_tomont_asm_opt \
+  -r mlk_poly_tomont_asm_clean,mlk_poly_tomont_asm_opt \
   -l poly_tomont_asm_loop \
   -c sw_pipelining.enabled=true \
   -c inputs_are_outputs \
@@ -96,7 +96,7 @@ echo " * ntt, ${TARGET_NAME}"
 
 slothy-cli Arm_AArch64 $TARGET \
   ntt_clean.S -o ntt_opt.S \
-  -r ntt_asm_clean,ntt_asm_opt \
+  -r mlk_ntt_asm_clean,mlk_ntt_asm_opt \
   -l layer123_start \
   -l layer4567_start \
   -c sw_pipelining.enabled=true \
@@ -110,7 +110,7 @@ echo " * intt, ${TARGET_NAME}"
 
 slothy-cli Arm_AArch64 $TARGET \
   intt_clean.S -o intt_opt.S \
-  -r intt_asm_clean,intt_asm_opt \
+  -r mlk_intt_asm_clean,mlk_intt_asm_opt \
   -l layer123_start \
   -l layer4567_start \
   -c sw_pipelining.enabled=true \

diff --git a/dev/aarch64_clean/src/poly_mulcache_compute_asm_clean.S b/dev/aarch64_clean/src/poly_mulcache_compute_asm_clean.S
@@ -17,7 +17,7 @@
 .endm
 
 /********************************************
- *          poly_mulcache_compute()         *
+ *          mlk_poly_mulcache_compute()         *
  ********************************************/
 
         cache_ptr         .req x0

diff --git a/dev/aarch64_clean/src/poly_reduce_asm_clean.S b/dev/aarch64_clean/src/poly_reduce_asm_clean.S
@@ -9,7 +9,7 @@
 /* simpasm: header-end */
 
 /* Barrett reduction */
-.macro barrett_reduce a
+.macro mlk_barrett_reduce a
         sqdmulh tmp.8h,   \a\().8h, modulus_twisted.h[0]
         srshr   tmp.8h,   tmp.8h,   #11
         mls     \a\().8h, tmp.8h,   modulus.h[0]
@@ -26,7 +26,7 @@
 .endm
 
 /**********************************
- *          poly_reduce()         *
+ *          mlk_poly_reduce()         *
  **********************************/
 
         ptr               .req x0
@@ -55,22 +55,22 @@ MLK_ASM_NAMESPACE(poly_reduce_asm_clean):
         mov count, #8
 loop_start:
         ldr q_data, [ptr], #64
-        barrett_reduce data
+        mlk_barrett_reduce data
         scalar_signed_to_unsigned data
         str q_data, [ptr, #-64]
 
         ldr q_data, [ptr, #-48]
-        barrett_reduce data
+        mlk_barrett_reduce data
         scalar_signed_to_unsigned data
         str q_data, [ptr, #-48]
 
         ldr q_data, [ptr, #-32]
-        barrett_reduce data
+        mlk_barrett_reduce data
         scalar_signed_to_unsigned data
         str q_data, [ptr, #-32]
 
         ldr q_data, [ptr, #-16]
-        barrett_reduce data
+        mlk_barrett_reduce data
         scalar_signed_to_unsigned data
         str q_data, [ptr, #-16]
 

diff --git a/dev/aarch64_clean/src/poly_tobytes_asm_clean.S b/dev/aarch64_clean/src/poly_tobytes_asm_clean.S
@@ -9,7 +9,7 @@
 /* simpasm: header-end */
 
 /********************************************
- *             poly_tobytes()               *
+ *             mlk_poly_tobytes()               *
  ********************************************/
 
         data0 .req v0

diff --git a/dev/aarch64_clean/src/poly_tomont_asm_clean.S b/dev/aarch64_clean/src/poly_tomont_asm_clean.S
@@ -17,7 +17,7 @@
 .endm
 
 /**********************************
- *          poly_tomont()         *
+ *          mlk_poly_tomont()         *
  **********************************/
 
         src               .req x0

diff --git a/dev/aarch64_clean/src/rej_uniform_asm_clean.S b/dev/aarch64_clean/src/rej_uniform_asm_clean.S
@@ -4,7 +4,7 @@
  */
 
 /*************************************************
- * Name:        rej_uniform_asm_clean
+ * Name:        mlk_rej_uniform_asm_clean
  *
  * Description: Run rejection sampling on uniform random bytes to generate
  *              uniform random integers mod q

diff --git a/dev/aarch64_clean/src/rej_uniform_table.c b/dev/aarch64_clean/src/rej_uniform_table.c
@@ -20,7 +20,7 @@
  * Lookup table used by rejection sampling of the public matrix.
  * See autogen for details.
  */
-MLK_ALIGN const uint8_t rej_uniform_table[] = {
+MLK_ALIGN const uint8_t mlk_rej_uniform_table[] = {
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 /* 0 */,
     0,  1,  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 /* 1 */,
     2,  3,  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 /* 2 */,

diff --git a/dev/aarch64_opt/src/aarch64_zetas.c b/dev/aarch64_opt/src/aarch64_zetas.c
@@ -20,7 +20,7 @@
  * Table of zeta values used in the AArch64 forward NTT
  * See autogen for details.
  */
-MLK_ALIGN const int16_t aarch64_ntt_zetas_layer01234[] = {
+MLK_ALIGN const int16_t mlk_aarch64_ntt_zetas_layer01234[] = {
     -1600, -15749, -749,  -7373,  -40,   -394,   -687, -6762, 630,  6201,
     -1432, -14095, 848,   8347,   0,     0,      1062, 10453, 296,  2914,
     -882,  -8682,  0,     0,      -1410, -13879, 1339, 13180, 1476, 14529,
@@ -31,7 +31,7 @@ MLK_ALIGN const int16_t aarch64_ntt_zetas_layer01234[] = {
     0,     0,      -1583, -15582, -1355, -13338, 821,  8081,  0,    0,
 };
 
-MLK_ALIGN const int16_t aarch64_ntt_zetas_layer56[] = {
+MLK_ALIGN const int16_t mlk_aarch64_ntt_zetas_layer56[] = {
     289,    289,    331,    331,    -76,    -76,    -1573,  -1573,  2845,
     2845,   3258,   3258,   -748,   -748,   -15483, -15483, 17,     17,
     583,    583,    1637,   1637,   -1041,  -1041,  167,    167,    5739,
@@ -88,7 +88,7 @@ MLK_ALIGN const int16_t aarch64_invntt_zetas_layer01234[] = {
     -848,  -8347,  1432,  14095,  -630,  -6201,  687,   6762,   0,     0,
 };
 
-MLK_ALIGN const int16_t aarch64_invntt_zetas_layer56[] = {
+MLK_ALIGN const int16_t mlk_aarch64_invntt_zetas_layer56[] = {
     -910,   -910,   -1227,  -1227,  219,    219,    855,    855,    -8957,
     -8957,  -12078, -12078, 2156,   2156,   8416,   8416,   1175,   1175,
     394,    394,    -1029,  -1029,  -1212,  -1212,  11566,  11566,  3878,