Add PKCS7-internal cipher BIO

WillChilds-Klein · Sep 6, 2024 · bd158f6 · bd158f6
1 parent 16ca6e7
commit bd158f6
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Showing 4 changed files with 469 additions and 0 deletions.
diff --git a/crypto/CMakeLists.txt b/crypto/CMakeLists.txt
@@ -467,6 +467,7 @@ add_library(
   pem/pem_xaux.c
   pkcs7/pkcs7.c
   pkcs7/pkcs7_asn1.c
+  pkcs7/pkcs7_internal_bio_cipher.c
   pkcs7/pkcs7_x509.c
   pkcs8/pkcs8.c
   pkcs8/pkcs8_x509.c
@@ -817,6 +818,7 @@ if(BUILD_TESTING)
     obj/obj_test.cc
     ocsp/ocsp_test.cc
     pem/pem_test.cc
+    pkcs7/pkcs7_internal_bio_test.cc
     pkcs7/pkcs7_test.cc
     pkcs8/pkcs8_test.cc
     pkcs8/pkcs12_test.cc

diff --git a/crypto/pkcs7/internal.h b/crypto/pkcs7/internal.h
@@ -199,6 +199,15 @@ int pkcs7_add_signed_data(CBB *out,
                           int (*signer_infos_cb)(CBB *out, const void *arg),
                           const void *arg);
 
+// TODO [childw]
+const BIO_METHOD *BIO_f_cipher(void);
+
+#define BIO_get_cipher_ctx(bio, contents) \
+  BIO_ctrl(bio, BIO_C_GET_CIPHER_CTX, 0, (char *)(contents))
+
+#define BIO_get_cipher_status(bio) \
+  BIO_ctrl(bio, BIO_C_GET_CIPHER_STATUS, 0, NULL)
+
 
 #if defined(__cplusplus)
 }  // extern C