* #35924 (zrtp): switch to libzrtpcpp
diff --git a/jni/libzrtp/sources/bnlib/bn32.h b/jni/libzrtp/sources/bnlib/bn32.h
new file mode 100644
index 0000000..7beba61
--- /dev/null
+++ b/jni/libzrtp/sources/bnlib/bn32.h
@@ -0,0 +1,63 @@
+/*
+ * bn32.h - interface to 32-bit bignum routines.
+ */
+struct BigNum;
+struct BnBasePrecomp;
+
+void bnInit_32(void);
+void bnEnd_32(struct BigNum *bn);
+int bnPrealloc_32(struct BigNum *bn, unsigned bits);
+int bnCopy_32(struct BigNum *dest, struct BigNum const *src);
+int bnSwap_32(struct BigNum *a, struct BigNum *b);
+void bnNorm_32(struct BigNum *bn);
+void bnExtractBigBytes_32(struct BigNum const *bn, unsigned char *dest,
+ unsigned lsbyte, unsigned dlen);
+int bnInsertBigBytes_32(struct BigNum *bn, unsigned char const *src,
+ unsigned lsbyte, unsigned len);
+void bnExtractLittleBytes_32(struct BigNum const *bn, unsigned char *dest,
+ unsigned lsbyte, unsigned dlen);
+int bnInsertLittleBytes_32(struct BigNum *bn, unsigned char const *src,
+ unsigned lsbyte, unsigned len);
+unsigned bnLSWord_32(struct BigNum const *src);
+int bnReadBit_32(struct BigNum const *bn, unsigned bit);
+unsigned bnBits_32(struct BigNum const *src);
+int bnAdd_32(struct BigNum *dest, struct BigNum const *src);
+int bnSub_32(struct BigNum *dest, struct BigNum const *src);
+int bnCmpQ_32(struct BigNum const *a, unsigned b);
+int bnSetQ_32(struct BigNum *dest, unsigned src);
+int bnAddQ_32(struct BigNum *dest, unsigned src);
+int bnSubQ_32(struct BigNum *dest, unsigned src);
+int bnCmp_32(struct BigNum const *a, struct BigNum const *b);
+int bnSquare_32(struct BigNum *dest, struct BigNum const *src);
+int bnMul_32(struct BigNum *dest, struct BigNum const *a,
+ struct BigNum const *b);
+int bnMulQ_32(struct BigNum *dest, struct BigNum const *a, unsigned b);
+int bnDivMod_32(struct BigNum *q, struct BigNum *r, struct BigNum const *n,
+ struct BigNum const *d);
+int bnMod_32(struct BigNum *dest, struct BigNum const *src,
+ struct BigNum const *d);
+unsigned bnModQ_32(struct BigNum const *src, unsigned d);
+int bnExpMod_32(struct BigNum *dest, struct BigNum const *n,
+ struct BigNum const *exp, struct BigNum const *mod);
+int bnDoubleExpMod_32(struct BigNum *dest,
+ struct BigNum const *n1, struct BigNum const *e1,
+ struct BigNum const *n2, struct BigNum const *e2,
+ struct BigNum const *mod);
+int bnTwoExpMod_32(struct BigNum *n, struct BigNum const *exp,
+ struct BigNum const *mod);
+int bnGcd_32(struct BigNum *dest, struct BigNum const *a,
+ struct BigNum const *b);
+int bnInv_32(struct BigNum *dest, struct BigNum const *src,
+ struct BigNum const *mod);
+int bnLShift_32(struct BigNum *dest, unsigned amt);
+void bnRShift_32(struct BigNum *dest, unsigned amt);
+unsigned bnMakeOdd_32(struct BigNum *n);
+int bnBasePrecompBegin_32(struct BnBasePrecomp *pre, struct BigNum const *base,
+ struct BigNum const *mod, unsigned maxebits);
+void bnBasePrecompEnd_32(struct BnBasePrecomp *pre);
+int bnBasePrecompExpMod_32(struct BigNum *dest, struct BnBasePrecomp const *pre,
+ struct BigNum const *exp, struct BigNum const *mod);
+int bnDoubleBasePrecompExpMod_32(struct BigNum *dest,
+ struct BnBasePrecomp const *pre1, struct BigNum const *exp1,
+ struct BnBasePrecomp const *pre2, struct BigNum const *exp2,
+ struct BigNum const *mod);