Use digest- prefix for problem types

Closes tus/draft-digest-fields-problem-types#16.

Author: Acconut

draft-kleidl-digest-fields-problem-types.md

@@ -59,7 +59,7 @@ Content-Type: application/problem+json
 Want-Content-Digest: sha-512=3, sha-256=10
 
 {
-  "type": "https://iana.org/assignments/http-problem-types#unsupported-hashing-algorithm",
+  "type": "https://iana.org/assignments/http-problem-types#digest-unsupported-algorithm",
   "title": "hashing algorithm is not supported",
   "unsupported-algorithm": "foo"
 }
@@ -81,7 +81,7 @@ The term "request", "response", "intermediary", "sender", and "server" are from
 
 ## Unsupported Hashing Algorithm
 
-This section defines the "https://iana.org/assignments/http-problem-types#unsupported-hashing-algorithm" problem type.
+This section defines the "https://iana.org/assignments/http-problem-types#digest-unsupported-algorithm" problem type.
 A server MAY use this problem type if it wants to communicate to the client that
 one of the hashing algorithms referenced in the integrity or integrity preference fields present in the request
 is not supported.
@@ -110,7 +110,7 @@ Content-Type: application/problem+json
 Want-Repr-Digest: sha-512=10, sha-256=0
 
 {
-  "type": "https://iana.org/assignments/http-problem-types#unsupported-hashing-algorithm",
+  "type": "https://iana.org/assignments/http-problem-types#digest-unsupported-algorithm",
   "title": "Unsupported hashing algorithm",
   "unsupported-algorithm": "sha-256"
 }
@@ -136,19 +136,16 @@ HTTP/1.1 400 Bad Request
 Content-Type: application/problem+json
 
 {
-  "type": "https://iana.org/assignments/http-problem-types#unsupported-hashing-algorithm",
+  "type": "https://iana.org/assignments/http-problem-types#digest-unsupported-algorithm",
   "title": "Unsupported hashing algorithm",
   "unsupported-algorithm": "sha"
 }
 ~~~
 {: title="Response Advertising the Supported Algorithms"}
 
-
-
-
 ## Invalid Digest Value
 
-This section defines the "https://iana.org/assignments/http-problem-types#invalid-digest-value" problem type. A server MAY use this problem type when responding to a request, whose integrity fields include a digest value, that cannot be generated by the corresponding hashing algorithm. For example, if the digest value of the `sha-512` hashing algorithm is not 64 bytes long, it cannot be a valid digest value and the server can skip computing the digest value. This problem type MUST NOT be used if the server is not able to parse the integrity fields according to {{Section 4.5 of STRUCTURED-FIELDS}}, for example because of a syntax error in the field value.
+This section defines the "https://iana.org/assignments/http-problem-types#digest-invalid-value" problem type. A server MAY use this problem type when responding to a request, whose integrity fields include a digest value, that cannot be generated by the corresponding hashing algorithm. For example, if the digest value of the `sha-512` hashing algorithm is not 64 bytes long, it cannot be a valid digest value and the server can skip computing the digest value. This problem type MUST NOT be used if the server is not able to parse the integrity fields according to {{Section 4.5 of STRUCTURED-FIELDS}}, for example because of a syntax error in the field value.
 
 The server SHOULD include a human-readable description why the value is considered invalid in the `title` member.
 
@@ -169,7 +166,7 @@ HTTP/1.1 400 Bad Request
 Content-Type: application/problem+json
 
 {
-  "type": "https://iana.org/assignments/http-problem-types#invalid-digest-value",
+  "type": "https://iana.org/assignments/http-problem-types#digest-invalid-value",
   "title": "digest value for sha-512 is not 64 bytes long"
 }
 ~~~
@@ -180,7 +177,7 @@ This problem type indicates a fault in the sender's calculation or encoding of t
 
 ## Mismatching Digest Value
 
-This section defines the "https://iana.org/assignments/http-problem-types#mismatching-digest-value" problem type. A server MAY use this problem type when responding to a request, whose integrity fields include a digest value that does not match the digest value that the server calculated for the request content or representation.
+This section defines the "https://iana.org/assignments/http-problem-types#digest-mismatching-value" problem type. A server MAY use this problem type when responding to a request, whose integrity fields include a digest value that does not match the digest value that the server calculated for the request content or representation.
 
 Three problem type extension members are defined: the `algorithm`, `provided-digest`, and `calculated-digest` members. A response using this problem type SHOULD populate all members, with the value of `algorithm` being the algorithm key of the used hashing algorithm, with the value of `provided-digest` being the digest value taken from the request's integrity fields, and the value of `calculated-digest` being the calculated digest. The digest values MUST BE serialized as byte sequences as described in {{Section 4.1.8 of STRUCTURED-FIELDS}}.
 
@@ -201,7 +198,7 @@ HTTP/1.1 400 Bad Request
 Content-Type: application/problem+json
 
 {
-  "type": "https://iana.org/assignments/http-problem-types#mismatching-digest-value",
+  "type": "https://iana.org/assignments/http-problem-types#digest-mismatching-value",
   "title": "digest value fromr request does not match expected value",
   "algorithm": "sha-256",
   "provided-digest": ":RK/0qy18MlBSVnWgjwz6lZEWjP/lF5HF9bvEF8FabDg=:",
@@ -225,10 +222,10 @@ and prefer a general problem type over a more specific one.
 
 IANA is asked to register the following entries in the "HTTP Problem Types" registry at <https://www.iana.org/assignments/http-problem-types>.
 
-## Registration of "unsupported-hashing-algorithm" Problem Type
+## Registration of "digest-unsupported-algorithm" Problem Type
 
 Type URI:
-: https://iana.org/assignments/http-problem-types#unsupported-hashing-algorithm
+: https://iana.org/assignments/http-problem-types#digest-unsupported-algorithm
 
 Title:
 : Unsupported Hashing Algorithm
@@ -239,10 +236,10 @@ Recommended HTTP status code:
 Reference:
 : {{unsupported-hashing-algorithm}} of this document
 
-## Registration of "invalid-digest-value" Problem Type
+## Registration of "digest-invalid-value" Problem Type
 
 Type URI:
-: https://iana.org/assignments/http-problem-types#invalid-digest-value
+: https://iana.org/assignments/http-problem-types#digest-invalid-value
 
 Title:
 : Invalid Digest Value
@@ -253,10 +250,10 @@ Recommended HTTP status code:
 Reference:
 : {{invalid-digest-value}} of this document
 
-## Registration of "mismatching-digest-value" Problem Type
+## Registration of "digest-mismatching-value" Problem Type
 
 Type URI:
-: https://iana.org/assignments/http-problem-types#mismatching-digest-value
+: https://iana.org/assignments/http-problem-types#digest-mismatching-value
 
 Title:
 : Mismatching Digest Value