commit 072ac56a03942a3c194b39c67b294dd79ab614df
author Gilles Peskine <Gilles.Peskine@arm.com> Sat Jun 30 00:21:29 2018 +0200
committer itayzafrir <itay.zafrir@arm.com> Wed Sep 12 16:41:12 2018 +0300
tree bca6b97fa39107fc3662fa8ef3021bd3f40b8bbc
parent 71ac7b11a755dfe2b7daf02481d99e3fcee449d2

Implement OAEP

Implement RSAES-OAEP encryption and decryption.

Test it to the same level as PKCS#1 v1.5.

include/psa/crypto.h

diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index ea20985..7883628 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -957,6 +957,10 @@
     (PSA_ALG_RSA_OAEP_BASE | ((hash_alg) & PSA_ALG_HASH_MASK))
 #define PSA_ALG_IS_RSA_OAEP(alg)                                \
     (((alg) & ~PSA_ALG_HASH_MASK) == PSA_ALG_RSA_OAEP_BASE)
+#define PSA_ALG_RSA_OAEP_GET_HASH(alg)                          \
+    (PSA_ALG_IS_RSA_OAEP(alg) ?                                 \
+     ((alg) & PSA_ALG_HASH_MASK) | PSA_ALG_CATEGORY_HASH :      \
+     0)
 
 /**@}*/
 
@@ -2314,8 +2318,8 @@
                                    size_t signature_length);
 
 #define PSA_RSA_MINIMUM_PADDING_SIZE(alg)                               \
-    (PSA_ALG_IS_RSA_OAEP_MGF1(alg) ?                                    \
-     2 * PSA_HASH_FINAL_SIZE(PSA_ALG_RSA_GET_HASH(alg)) + 1 :           \
+    (PSA_ALG_IS_RSA_OAEP(alg) ?                                         \
+     2 * PSA_HASH_FINAL_SIZE(PSA_ALG_RSA_OAEP_GET_HASH(alg)) + 1 :      \
      11 /*PKCS#1v1.5*/)
 
 /**