bpo-20216: Correct docstrings of digest() methods in hashlib. (GH-9873)

diff --git a/Modules/_hashopenssl.c b/Modules/_hashopenssl.c
index 7121224..42ea997 100644
--- a/Modules/_hashopenssl.c
+++ b/Modules/_hashopenssl.c
@@ -187,7 +187,7 @@
 }
 
 PyDoc_STRVAR(EVP_digest__doc__,
-"Return the digest value as a string of binary data.");
+"Return the digest value as a bytes object.");
 
 static PyObject *
 EVP_digest(EVPobject *self, PyObject *unused)
diff --git a/Modules/clinic/md5module.c.h b/Modules/clinic/md5module.c.h
index 850d76b..fa1a0d6 100644
--- a/Modules/clinic/md5module.c.h
+++ b/Modules/clinic/md5module.c.h
@@ -24,7 +24,7 @@
 "digest($self, /)\n"
 "--\n"
 "\n"
-"Return the digest value as a string of binary data.");
+"Return the digest value as a bytes object.");
 
 #define MD5TYPE_DIGEST_METHODDEF    \
     {"digest", (PyCFunction)MD5Type_digest, METH_NOARGS, MD5Type_digest__doc__},
@@ -94,4 +94,4 @@
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=50a95670913de8fb input=a9049054013a1b77]*/
+/*[clinic end generated code: output=72aa003c308e26cf input=a9049054013a1b77]*/
diff --git a/Modules/clinic/sha1module.c.h b/Modules/clinic/sha1module.c.h
index be29355..c84fcba 100644
--- a/Modules/clinic/sha1module.c.h
+++ b/Modules/clinic/sha1module.c.h
@@ -24,7 +24,7 @@
 "digest($self, /)\n"
 "--\n"
 "\n"
-"Return the digest value as a string of binary data.");
+"Return the digest value as a bytes object.");
 
 #define SHA1TYPE_DIGEST_METHODDEF    \
     {"digest", (PyCFunction)SHA1Type_digest, METH_NOARGS, SHA1Type_digest__doc__},
@@ -94,4 +94,4 @@
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=9ee2aec7bb2b9e72 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=81d2424c0585bfd4 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/sha256module.c.h b/Modules/clinic/sha256module.c.h
index 9de5bd0..45f78c8 100644
--- a/Modules/clinic/sha256module.c.h
+++ b/Modules/clinic/sha256module.c.h
@@ -24,7 +24,7 @@
 "digest($self, /)\n"
 "--\n"
 "\n"
-"Return the digest value as a string of binary data.");
+"Return the digest value as a bytes object.");
 
 #define SHA256TYPE_DIGEST_METHODDEF    \
     {"digest", (PyCFunction)SHA256Type_digest, METH_NOARGS, SHA256Type_digest__doc__},
@@ -124,4 +124,4 @@
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=4b90199bc9f7cc88 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=0086286cffcbc31c input=a9049054013a1b77]*/
diff --git a/Modules/clinic/sha512module.c.h b/Modules/clinic/sha512module.c.h
index ebb510e..9d3a7c9 100644
--- a/Modules/clinic/sha512module.c.h
+++ b/Modules/clinic/sha512module.c.h
@@ -24,7 +24,7 @@
 "digest($self, /)\n"
 "--\n"
 "\n"
-"Return the digest value as a string of binary data.");
+"Return the digest value as a bytes object.");
 
 #define SHA512TYPE_DIGEST_METHODDEF    \
     {"digest", (PyCFunction)SHA512Type_digest, METH_NOARGS, SHA512Type_digest__doc__},
@@ -124,4 +124,4 @@
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=f963a543bf3c72e8 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=fcc3306fb6672222 input=a9049054013a1b77]*/
diff --git a/Modules/md5module.c b/Modules/md5module.c
index c66b273..d377f0b 100644
--- a/Modules/md5module.c
+++ b/Modules/md5module.c
@@ -361,12 +361,12 @@
 /*[clinic input]
 MD5Type.digest
 
-Return the digest value as a string of binary data.
+Return the digest value as a bytes object.
 [clinic start generated code]*/
 
 static PyObject *
 MD5Type_digest_impl(MD5object *self)
-/*[clinic end generated code: output=eb691dc4190a07ec input=7b96e65389412a34]*/
+/*[clinic end generated code: output=eb691dc4190a07ec input=bc0c4397c2994be6]*/
 {
     unsigned char digest[MD5_DIGESTSIZE];
     struct md5_state temp;
diff --git a/Modules/sha1module.c b/Modules/sha1module.c
index 358cd1e..998ebd4 100644
--- a/Modules/sha1module.c
+++ b/Modules/sha1module.c
@@ -338,12 +338,12 @@
 /*[clinic input]
 SHA1Type.digest
 
-Return the digest value as a string of binary data.
+Return the digest value as a bytes object.
 [clinic start generated code]*/
 
 static PyObject *
 SHA1Type_digest_impl(SHA1object *self)
-/*[clinic end generated code: output=2f05302a7aa2b5cb input=205d47e1927fd009]*/
+/*[clinic end generated code: output=2f05302a7aa2b5cb input=13824b35407444bd]*/
 {
     unsigned char digest[SHA1_DIGESTSIZE];
     struct sha1_state temp;
diff --git a/Modules/sha256module.c b/Modules/sha256module.c
index 3599eaf..20b5f02 100644
--- a/Modules/sha256module.c
+++ b/Modules/sha256module.c
@@ -428,12 +428,12 @@
 /*[clinic input]
 SHA256Type.digest
 
-Return the digest value as a string of binary data.
+Return the digest value as a bytes object.
 [clinic start generated code]*/
 
 static PyObject *
 SHA256Type_digest_impl(SHAobject *self)
-/*[clinic end generated code: output=46616a5e909fbc3d input=1fb752e58954157d]*/
+/*[clinic end generated code: output=46616a5e909fbc3d input=f1f4cfea5cbde35c]*/
 {
     unsigned char digest[SHA_DIGESTSIZE];
     SHAobject temp;
diff --git a/Modules/sha512module.c b/Modules/sha512module.c
index d8c846a..e070e43 100644
--- a/Modules/sha512module.c
+++ b/Modules/sha512module.c
@@ -493,12 +493,12 @@
 /*[clinic input]
 SHA512Type.digest
 
-Return the digest value as a string of binary data.
+Return the digest value as a bytes object.
 [clinic start generated code]*/
 
 static PyObject *
 SHA512Type_digest_impl(SHAobject *self)
-/*[clinic end generated code: output=1080bbeeef7dde1b input=60c2cede9e023018]*/
+/*[clinic end generated code: output=1080bbeeef7dde1b input=f6470dd359071f4b]*/
 {
     unsigned char digest[SHA_DIGESTSIZE];
     SHAobject temp;