Enable oid feature by default

Having to enable this feature has been an ongoing source of confusion,
especially since the compiler error that results is fairly inscrutible.

belt-hash/Cargo.toml

@@ -21,6 +21,6 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
 oid = ["digest/oid"]

gost94/Cargo.toml

@@ -20,6 +20,6 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
-oid = ["digest/oid"] # Enable OID support. WARNING: Bumps MSRV to 1.57
+oid = ["digest/oid"]

md2/Cargo.toml

@@ -20,6 +20,6 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
 oid = ["digest/oid"]

md4/Cargo.toml

@@ -20,6 +20,6 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
-oid = ["digest/oid"] # Enable OID support. WARNING: Bumps MSRV to 1.57
+oid = ["digest/oid"]

md5/Cargo.toml

@@ -27,11 +27,11 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
 asm = ["md5-asm"] # WARNING: this feature SHOULD NOT be enabled by library crates
 # Use assembly backend for LoongArch64 targets
 # WARNING: Bumps MSRV to 1.72. This feature SHOULD NOT be enabled by library crates
 loongarch64_asm = []
-oid = ["digest/oid"] # Enable OID support. WARNING: Bumps MSRV to 1.57
+oid = ["digest/oid"] # Enable OID support.
 force-soft = [] # Force software implementation

ripemd/Cargo.toml

@@ -20,6 +20,6 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
-oid = ["digest/oid"] # Enable OID support. WARNING: Bumps MSRV to 1.57
+oid = ["digest/oid"]

sha1/Cargo.toml

@@ -25,9 +25,9 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
-oid = ["digest/oid"] # Enable OID support. WARNING: Bumps MSRV to 1.57
+oid = ["digest/oid"] # Enable OID support.
 asm = ["sha1-asm"] # WARNING: this feature SHOULD NOT be enabled by library crates
 # Use assembly backend for LoongArch64 targets
 # WARNING: Bumps MSRV to 1.72. This feature SHOULD NOT be enabled by library crates

sha2/Cargo.toml

@@ -28,7 +28,7 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
 oid = ["digest/oid"] # Enable OID support.
 asm = ["sha2-asm"] # WARNING: this feature SHOULD NOT be enabled by library crates

sha3/Cargo.toml

@@ -26,9 +26,9 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
 
-asm = ["keccak/asm"] # Enable ASM (currently ARMv8 only). WARNING: Bumps MSRV to 1.59
-oid = ["digest/oid"] # Enable OID support. WARNING: Bumps MSRV to 1.57
+asm = ["keccak/asm"] # Enable ASM (currently ARMv8 only).
+oid = ["digest/oid"] # Enable OID support.
 reset = [] # Enable reset functionality

streebog/Cargo.toml

@@ -20,6 +20,6 @@ digest = { version = "=0.11.0-pre.3", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
+default = ["oid", "std"]
 std = ["digest/std"]
-oid = ["digest/oid"] # Enable OID support. WARNING: Bumps MSRV to 1.57
+oid = ["digest/oid"]