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Rust wrapper: ed448: add check for context buffers too long

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Fix F-1064
This commit is contained in:
Josh Holtrop
2026-03-23 22:20:32 -04:00
parent 4f42ba9aa7
commit 5959aa2b58
1 changed files with 27 additions and 0 deletions
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wrapper/rust/wolfssl-wolfcrypt/src/ed448.rs
+27
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@@ -675,6 +675,9 @@ impl Ed448 {
let mut context_size = 0u8;
if let Some(context) = context {
context_ptr = context.as_ptr();
if context.len() > 255 {
return Err(sys::wolfCrypt_ErrorCodes_BAD_FUNC_ARG);
}
context_size = context.len() as u8;
}
let mut signature_size = signature.len() as u32;
@@ -737,6 +740,9 @@ impl Ed448 {
let mut context_size = 0u8;
if let Some(context) = context {
context_ptr = context.as_ptr();
if context.len() > 255 {
return Err(sys::wolfCrypt_ErrorCodes_BAD_FUNC_ARG);
}
context_size = context.len() as u8;
}
let mut signature_size = signature.len() as u32;
@@ -790,6 +796,9 @@ impl Ed448 {
let mut context_size = 0u8;
if let Some(context) = context {
context_ptr = context.as_ptr();
if context.len() > 255 {
return Err(sys::wolfCrypt_ErrorCodes_BAD_FUNC_ARG);
}
context_size = context.len() as u8;
}
let mut signature_size = signature.len() as u32;
@@ -843,6 +852,9 @@ impl Ed448 {
let mut context_size = 0u8;
if let Some(context) = context {
context_ptr = context.as_ptr();
if context.len() > 255 {
return Err(sys::wolfCrypt_ErrorCodes_BAD_FUNC_ARG);
}
context_size = context.len() as u8;
}
let mut signature_size = signature.len() as u32;
@@ -897,6 +909,9 @@ impl Ed448 {
let mut context_size = 0u8;
if let Some(context) = context {
context_ptr = context.as_ptr();
if context.len() > 255 {
return Err(sys::wolfCrypt_ErrorCodes_BAD_FUNC_ARG);
}
context_size = context.len() as u8;
}
let mut res = 0i32;
@@ -962,6 +977,9 @@ impl Ed448 {
let mut context_size = 0u8;
if let Some(context) = context {
context_ptr = context.as_ptr();
if context.len() > 255 {
return Err(sys::wolfCrypt_ErrorCodes_BAD_FUNC_ARG);
}
context_size = context.len() as u8;
}
let mut res = 0i32;
@@ -1017,6 +1035,9 @@ impl Ed448 {
let mut context_size = 0u8;
if let Some(context) = context {
context_ptr = context.as_ptr();
if context.len() > 255 {
return Err(sys::wolfCrypt_ErrorCodes_BAD_FUNC_ARG);
}
context_size = context.len() as u8;
}
let mut res = 0i32;
@@ -1072,6 +1093,9 @@ impl Ed448 {
let mut context_size = 0u8;
if let Some(context) = context {
context_ptr = context.as_ptr();
if context.len() > 255 {
return Err(sys::wolfCrypt_ErrorCodes_BAD_FUNC_ARG);
}
context_size = context.len() as u8;
}
let mut res = 0i32;
@@ -1126,6 +1150,9 @@ impl Ed448 {
let mut context_size = 0u8;
if let Some(context) = context {
context_ptr = context.as_ptr();
if context.len() > 255 {
return Err(sys::wolfCrypt_ErrorCodes_BAD_FUNC_ARG);
}
context_size = context.len() as u8;
}
let rc = unsafe {