gh-35913: Debug component_function in S-box Module and Add the S-bo…

…x of WARP Block Cipher

    
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1- Debugging `component_function` in sbox module:
 - The `from_bits(self, x, n=None)` function is invoked within the
`component_function` of the Sbox class. When the `input_size` and
`output_size` of the S-box differ, the `from_bits` function operates
correctly if the `n` argument is specified. However, the current
implementation of the `component_function` calls `from_bits` without
setting the `n` argument. Consequently, calling the `component_function`
of the Sbox class with differing `input_size` and `output_size` results
in an error.
- To resolve this issue, we only need to pass the argument `n` into the
`from_bits` functions inside the `component_function`.

2- Adding the s-box of WARP to s-box suite of SageMath

- I have added the S-box of the WARP block cipher to SageMath. WARP is a
block cipher that follows the Generalized Feistel Structure (GFS) and
was proposed as a lightweight alternative to AES-128 in SAC 2022. You
can find more information about WARP in
[[1]](https://link.springer.com/chapter/10.1007/978-3-030-81652-0_21).
- This addition is necessary to keep the S-box suite of SageMath up to
date and allows cryptographers to analyze the S-box of WARP using
SageMath.
- Fortunately, this update doesn't require any changes to the
documentation. I only needed to make a minor update in the comment
section, which I have already done.

[1] - https://link.springer.com/chapter/10.1007/978-3-030-81652-0_21

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### ⌛ Dependencies

This change does not rely on any dependencies.

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URL: #35913
Reported by: Hosein Hadipour
Reviewer(s): grhkm21

src/sage/crypto/sbox.pyx

@@ -1326,6 +1326,13 @@ cdef class SBox(SageObject):
             sage: f5 = S.component_function([1, 0, 1])
             sage: f5.algebraic_normal_form()                                            # needs sage.rings.polynomial.pbori
             x0*x2 + x0 + x1*x2
+
+        TESTS::
+
+            sage: from sage.crypto.sboxes import SBox
+            sage: sb = SBox([0, 1, 2, 3, 0, 1, 2, 3])
+            sage: sb.component_function([1, 0])
+            Boolean function with 3 variables
         """
         cdef Py_ssize_t m = self.m
         cdef Py_ssize_t n = self.n
@@ -1334,7 +1341,7 @@ cdef class SBox(SageObject):
             b = list(b)
             if len(b) > n:
                 raise ValueError("input (%s) is too long and would be truncated" % (b,))
-            b = self.from_bits(b)
+            b = self.from_bits(b, n)
         except TypeError:
             try:
                 b = ZZ(b)

src/sage/crypto/sboxes.py

@@ -93,7 +93,7 @@
     - SERPENT_S0, ..., SERPENT_S7 ([BAK1998]_)
     - KLEIN ([GNL2011]_)
     - MIBS ([ISSK2009)]
-    - Midori_Sb0 (MANTIS, CRAFT), Midori_Sb1 ([BBISHAR2015]_)
+    - Midori_Sb0 (MANTIS, CRAFT, WARP), Midori_Sb1 ([BBISHAR2015]_)
     - Noekeon ([DPVAR2000]_)
     - Piccolo ([SIHMAS2011]_)
     - Panda ([YWHWXSW2014]_)
@@ -1574,6 +1574,7 @@ def monomial_function(n, e):
 MIBS = SBox([4,15,3,8,13,10,12,0,11,5,7,14,2,6,1,9])
 Midori_Sb0 = SBox([0xc,0xa,0xd,0x3,0xe,0xb,0xf,0x7,0x8,0x9,0x1,0x5,0x0,0x2,0x4,0x6])
 MANTIS = Midori_Sb0
+WARP = Midori_Sb0
 CRAFT = Midori_Sb0
 Midori_Sb1 = SBox([0x1,0x0,0x5,0x3,0xe,0x2,0xf,0x7,0xd,0xa,0x9,0xb,0xc,0x8,0x4,0x6])
 Noekeon = SBox([0x7,0xA,0x2,0xC,0x4,0x8,0xF,0x0,0x5,0x9,0x1,0xE,0x3,0xD,0xB,0x6])