X-Git-Url: https://bearssl.org/gitweb//home/git/?p=BearSSL;a=blobdiff_plain;f=src%2Fint%2Fi62_modpow2.c;h=2db537f0a80a3ece1088879b2174726bfbe4c4be;hp=0414e5f0b8d340c7a126b385101e837d6f4e6246;hb=491a45337de8dc0a4c100abf33f5c0e187a08afd;hpb=a0054ad8212ecf0f31608fee60cafb32fbde789d

diff --git a/src/int/i62_modpow2.c b/src/int/i62_modpow2.c
index 0414e5f..2db537f 100644
--- a/src/int/i62_modpow2.c
+++ b/src/int/i62_modpow2.c
@@ -244,7 +244,7 @@ br_i62_modpow_opt(uint32_t *x31, const unsigned char *e, size_t elen,
 	mw62num = (mw31num + 1) >> 1;
 
 	/*
-	 * In order to apply this function, we must have enough room tp
+	 * In order to apply this function, we must have enough room to
 	 * copy the operand and modulus into the temporary array, along
 	 * with at least two temporaries. If there is not enough room,
 	 * switch to br_i31_modpow(). We also use br_i31_modpow() if the
@@ -477,3 +477,17 @@ br_i62_modpow_opt(uint32_t *x31, const unsigned char *e, size_t elen,
 }
 
 #endif
+
+/* see inner.h */
+uint32_t
+br_i62_modpow_opt_as_i31(uint32_t *x31, const unsigned char *e, size_t elen,
+	const uint32_t *m31, uint32_t m0i31, uint32_t *tmp, size_t twlen)
+{
+	/*
+	 * As documented, this function expects the 'tmp' argument to be
+	 * 64-bit aligned. This is OK since this function is internal (it
+	 * is not part of BearSSL's public API).
+	 */
+	return br_i62_modpow_opt(x31, e, elen, m31, m0i31,
+		(uint64_t *)tmp, twlen >> 1);
+}