X-Git-Url: https://www.bearssl.org/gitweb//home/git/?p=BearSSL;a=blobdiff_plain;f=src%2Finner.h;h=d552f03fe2330684e34c1b6b8223936156e533f9;hp=fb49d0ef99d73b91d3d036b9fd5acc865eefe4a4;hb=d69276c18d55480e1bfa4b4c28b31062a706f6f0;hpb=8e94ad2fcb11794c559025277e56f3fbeb676f5d

diff --git a/src/inner.h b/src/inner.h
index fb49d0e..d552f03 100644
--- a/src/inner.h
+++ b/src/inner.h
@@ -85,7 +85,7 @@
  *
  * The test on 'unsigned long' should already catch most cases, the one
  * notable exception being Windows code where 'unsigned long' is kept to
- * 32-bit for compatbility with all the legacy code that liberally uses
+ * 32-bit for compatibility with all the legacy code that liberally uses
  * the 'DWORD' type for 32-bit values.
  *
  * Macro names are taken from: http://nadeausoftware.com/articles/2012/02/c_c_tip_how_detect_processor_type_using_compiler_predefined_macros
@@ -1887,6 +1887,31 @@ uint32_t br_rsa_pkcs1_sig_unpad(const unsigned char *sig, size_t sig_len,
 	const unsigned char *hash_oid, size_t hash_len,
 	unsigned char *hash_out);
 
+/*
+ * Apply OAEP padding. Returned value is the actual padded string length,
+ * or zero on error.
+ */
+size_t br_rsa_oaep_pad(const br_prng_class **rnd, const br_hash_class *dig,
+	const void *label, size_t label_len, const br_rsa_public_key *pk,
+	void *dst, size_t dst_nax_len, const void *src, size_t src_len);
+
+/*
+ * Unravel and check OAEP padding. If the padding is correct, then 1 is
+ * returned, '*len' is adjusted to the length of the message, and the
+ * data is moved to the start of the 'data' buffer. If the padding is
+ * incorrect, then 0 is returned and '*len' is untouched. Either way,
+ * the complete buffer contents are altered.
+ */
+uint32_t br_rsa_oaep_unpad(const br_hash_class *dig,
+	const void *label, size_t label_len, void *data, size_t *len);
+
+/*
+ * Compute MGF1 for a given seed, and XOR the output into the provided
+ * buffer.
+ */
+void br_mgf1_xor(void *data, size_t len,
+	const br_hash_class *dig, const void *seed, size_t seed_len);
+
 /* ==================================================================== */
 /*
  * Elliptic curves.