From fa4878bad6434f33ab9e0f663d8529e0db66d7e6 Mon Sep 17 00:00:00 2001 From: Alex Auvolat Date: Wed, 28 Feb 2024 14:09:41 +0100 Subject: [PATCH] [sse-c] Testing for SSE-C encryption --- script/test-smoke.sh | 13 ++ src/garage/tests/s3/mod.rs | 1 + src/garage/tests/s3/ssec.rs | 455 ++++++++++++++++++++++++++++++++++++ 3 files changed, 469 insertions(+) create mode 100644 src/garage/tests/s3/ssec.rs diff --git a/script/test-smoke.sh b/script/test-smoke.sh index 9f9ea50c..acf56a90 100755 --- a/script/test-smoke.sh +++ b/script/test-smoke.sh @@ -82,6 +82,19 @@ if [ -z "$SKIP_AWS" ]; then exit 1 fi aws s3api delete-object --bucket eprouvette --key upload + + echo "🛠️ Test SSE-C with awscli (aws s3)" + SSEC_KEY="u8zCfnEyt5Imo/krN+sxA1DQXxLWtPJavU6T6gOVj1Y=" + SSEC_KEY_MD5="jMGbs3GyZkYjJUP6q5jA7g==" + echo "$SSEC_KEY" | base64 -d > /tmp/garage.ssec-key + for idx in {1,2}.rnd; do + aws s3 cp --sse-c AES256 --sse-c-key fileb:///tmp/garage.ssec-key \ + "/tmp/garage.$idx" "s3://eprouvette/garage.$idx.aws.sse-c" + aws s3 cp --sse-c AES256 --sse-c-key fileb:///tmp/garage.ssec-key \ + "s3://eprouvette/garage.$idx.aws.sse-c" "/tmp/garage.$idx.dl.sse-c" + diff "/tmp/garage.$idx" "/tmp/garage.$idx.dl.sse-c" + aws s3api delete-object --bucket eprouvette --key "garage.$idx.aws.sse-c" + done fi # S3CMD diff --git a/src/garage/tests/s3/mod.rs b/src/garage/tests/s3/mod.rs index 4ebc4914..e75b1397 100644 --- a/src/garage/tests/s3/mod.rs +++ b/src/garage/tests/s3/mod.rs @@ -3,5 +3,6 @@ mod multipart; mod objects; mod presigned; mod simple; +mod ssec; mod streaming_signature; mod website; diff --git a/src/garage/tests/s3/ssec.rs b/src/garage/tests/s3/ssec.rs new file mode 100644 index 00000000..d8f11950 --- /dev/null +++ b/src/garage/tests/s3/ssec.rs @@ -0,0 +1,455 @@ +use crate::common::{self, Context}; +use aws_sdk_s3::primitives::ByteStream; +use aws_sdk_s3::types::{CompletedMultipartUpload, CompletedPart}; + +const SSEC_KEY: &str = "u8zCfnEyt5Imo/krN+sxA1DQXxLWtPJavU6T6gOVj1Y="; +const SSEC_KEY_MD5: &str = "jMGbs3GyZkYjJUP6q5jA7g=="; +const SSEC_KEY2: &str = "XkYVk4Z3vVDO2yJaUqCAEZX6lL10voMxtV06d8my/eU="; +const SSEC_KEY2_MD5: &str = "kedo2ab8J1MCjHwJuLTJHw=="; + +const SZ_2MB: usize = 2 * 1024 * 1024; + +#[tokio::test] +async fn test_ssec_object() { + let ctx = common::context(); + let bucket = ctx.create_bucket("sse-c"); + + let bytes1 = b"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".to_vec(); + let bytes2 = (0..400000) + .map(|x| ((x * 3792) % 256) as u8) + .collect::>(); + + for data in vec![bytes1, bytes2] { + let stream = ByteStream::new(data.clone().into()); + + // Write encrypted object + let r = ctx + .client + .put_object() + .bucket(&bucket) + .key("testobj") + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY) + .sse_customer_key_md5(SSEC_KEY_MD5) + .body(stream) + .send() + .await + .unwrap(); + assert_eq!(r.sse_customer_algorithm, Some("AES256".into())); + assert_eq!(r.sse_customer_key_md5, Some(SSEC_KEY_MD5.into())); + + test_read_encrypted( + &ctx, + &bucket, + "testobj", + &data, + SSEC_KEY, + SSEC_KEY_MD5, + SSEC_KEY2, + SSEC_KEY2_MD5, + ) + .await; + + // Test copy from encrypted to non-encrypted + let r = ctx + .client + .copy_object() + .bucket(&bucket) + .key("test-copy-enc-dec") + .copy_source(format!("{}/{}", bucket, "testobj")) + .copy_source_sse_customer_algorithm("AES256") + .copy_source_sse_customer_key(SSEC_KEY) + .copy_source_sse_customer_key_md5(SSEC_KEY_MD5) + .send() + .await + .unwrap(); + assert_eq!(r.sse_customer_algorithm, None); + assert_eq!(r.sse_customer_key_md5, None); + + // Test read decrypted file + let r = ctx + .client + .get_object() + .bucket(&bucket) + .key("test-copy-enc-dec") + .send() + .await + .unwrap(); + assert_bytes_eq!(r.body, &data); + assert_eq!(r.sse_customer_algorithm, None); + assert_eq!(r.sse_customer_key_md5, None); + + // Test copy from non-encrypted to encrypted + let r = ctx + .client + .copy_object() + .bucket(&bucket) + .key("test-copy-enc-dec-enc") + .copy_source(format!("{}/test-copy-enc-dec", bucket)) + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY2) + .sse_customer_key_md5(SSEC_KEY2_MD5) + .send() + .await + .unwrap(); + assert_eq!(r.sse_customer_algorithm, Some("AES256".into())); + assert_eq!(r.sse_customer_key_md5, Some(SSEC_KEY2_MD5.into())); + + test_read_encrypted( + &ctx, + &bucket, + "test-copy-enc-dec-enc", + &data, + SSEC_KEY2, + SSEC_KEY2_MD5, + SSEC_KEY, + SSEC_KEY_MD5, + ) + .await; + + // Test copy from encrypted to encrypted with different keys + let r = ctx + .client + .copy_object() + .bucket(&bucket) + .key("test-copy-enc-enc") + .copy_source(format!("{}/{}", bucket, "testobj")) + .copy_source_sse_customer_algorithm("AES256") + .copy_source_sse_customer_key(SSEC_KEY) + .copy_source_sse_customer_key_md5(SSEC_KEY_MD5) + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY2) + .sse_customer_key_md5(SSEC_KEY2_MD5) + .send() + .await + .unwrap(); + assert_eq!(r.sse_customer_algorithm, Some("AES256".into())); + assert_eq!(r.sse_customer_key_md5, Some(SSEC_KEY2_MD5.into())); + test_read_encrypted( + &ctx, + &bucket, + "test-copy-enc-enc", + &data, + SSEC_KEY2, + SSEC_KEY2_MD5, + SSEC_KEY, + SSEC_KEY_MD5, + ) + .await; + + // Test copy from encrypted to encrypted with the same key + let r = ctx + .client + .copy_object() + .bucket(&bucket) + .key("test-copy-enc-enc-same") + .copy_source(format!("{}/{}", bucket, "testobj")) + .copy_source_sse_customer_algorithm("AES256") + .copy_source_sse_customer_key(SSEC_KEY) + .copy_source_sse_customer_key_md5(SSEC_KEY_MD5) + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY) + .sse_customer_key_md5(SSEC_KEY_MD5) + .send() + .await + .unwrap(); + assert_eq!(r.sse_customer_algorithm, Some("AES256".into())); + assert_eq!(r.sse_customer_key_md5, Some(SSEC_KEY_MD5.into())); + test_read_encrypted( + &ctx, + &bucket, + "test-copy-enc-enc-same", + &data, + SSEC_KEY, + SSEC_KEY_MD5, + SSEC_KEY2, + SSEC_KEY2_MD5, + ) + .await; + } +} + +#[tokio::test] +async fn test_multipart_upload() { + let ctx = common::context(); + let bucket = ctx.create_bucket("test-ssec-mpu"); + + let u1 = vec![0x11; SZ_2MB]; + let u2 = vec![0x22; SZ_2MB]; + let u3 = vec![0x33; SZ_2MB]; + let all = [&u1[..], &u2[..], &u3[..]].concat(); + + // Test simple encrypted mpu + { + let up = ctx + .client + .create_multipart_upload() + .bucket(&bucket) + .key("a") + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY) + .sse_customer_key_md5(SSEC_KEY_MD5) + .send() + .await + .unwrap(); + assert!(up.upload_id.is_some()); + assert_eq!(up.sse_customer_algorithm, Some("AES256".into())); + assert_eq!(up.sse_customer_key_md5, Some(SSEC_KEY_MD5.into())); + + let uid = up.upload_id.as_ref().unwrap(); + + let mut etags = vec![]; + for (i, part) in vec![&u1, &u2, &u3].into_iter().enumerate() { + let pu = ctx + .client + .upload_part() + .bucket(&bucket) + .key("a") + .upload_id(uid) + .part_number((i + 1) as i32) + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY) + .sse_customer_key_md5(SSEC_KEY_MD5) + .body(ByteStream::from(part.to_vec())) + .send() + .await + .unwrap(); + etags.push(pu.e_tag.unwrap()); + } + + let mut cmp = CompletedMultipartUpload::builder(); + for (i, etag) in etags.into_iter().enumerate() { + cmp = cmp.parts( + CompletedPart::builder() + .part_number((i + 1) as i32) + .e_tag(etag) + .build(), + ); + } + + ctx.client + .complete_multipart_upload() + .bucket(&bucket) + .key("a") + .upload_id(uid) + .multipart_upload(cmp.build()) + .send() + .await + .unwrap(); + + test_read_encrypted( + &ctx, + &bucket, + "a", + &all, + SSEC_KEY, + SSEC_KEY_MD5, + SSEC_KEY2, + SSEC_KEY2_MD5, + ) + .await; + } + + // Test upload part copy from first object + { + // (setup) Upload a single part object + ctx.client + .put_object() + .bucket(&bucket) + .key("b") + .body(ByteStream::from(u1.clone())) + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY2) + .sse_customer_key_md5(SSEC_KEY2_MD5) + .send() + .await + .unwrap(); + + let up = ctx + .client + .create_multipart_upload() + .bucket(&bucket) + .key("target") + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY2) + .sse_customer_key_md5(SSEC_KEY2_MD5) + .send() + .await + .unwrap(); + let uid = up.upload_id.as_ref().unwrap(); + + let p1 = ctx + .client + .upload_part() + .bucket(&bucket) + .key("target") + .upload_id(uid) + .part_number(1) + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY2) + .sse_customer_key_md5(SSEC_KEY2_MD5) + .body(ByteStream::from(u3.clone())) + .send() + .await + .unwrap(); + + let p2 = ctx + .client + .upload_part_copy() + .bucket(&bucket) + .key("target") + .upload_id(uid) + .part_number(2) + .copy_source(format!("{}/a", bucket)) + .copy_source_range("bytes=500-550000") + .copy_source_sse_customer_algorithm("AES256") + .copy_source_sse_customer_key(SSEC_KEY) + .copy_source_sse_customer_key_md5(SSEC_KEY_MD5) + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY2) + .sse_customer_key_md5(SSEC_KEY2_MD5) + .send() + .await + .unwrap(); + + let p3 = ctx + .client + .upload_part() + .bucket(&bucket) + .key("target") + .upload_id(uid) + .part_number(3) + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY2) + .sse_customer_key_md5(SSEC_KEY2_MD5) + .body(ByteStream::from(u2.clone())) + .send() + .await + .unwrap(); + + let p4 = ctx + .client + .upload_part_copy() + .bucket(&bucket) + .key("target") + .upload_id(uid) + .part_number(4) + .copy_source(format!("{}/b", bucket)) + .copy_source_range("bytes=1500-20500") + .copy_source_sse_customer_algorithm("AES256") + .copy_source_sse_customer_key(SSEC_KEY2) + .copy_source_sse_customer_key_md5(SSEC_KEY2_MD5) + .sse_customer_algorithm("AES256") + .sse_customer_key(SSEC_KEY2) + .sse_customer_key_md5(SSEC_KEY2_MD5) + .send() + .await + .unwrap(); + + let cmp = CompletedMultipartUpload::builder() + .parts( + CompletedPart::builder() + .part_number(1) + .e_tag(p1.e_tag.unwrap()) + .build(), + ) + .parts( + CompletedPart::builder() + .part_number(2) + .e_tag(p2.copy_part_result.unwrap().e_tag.unwrap()) + .build(), + ) + .parts( + CompletedPart::builder() + .part_number(3) + .e_tag(p3.e_tag.unwrap()) + .build(), + ) + .parts( + CompletedPart::builder() + .part_number(4) + .e_tag(p4.copy_part_result.unwrap().e_tag.unwrap()) + .build(), + ) + .build(); + + ctx.client + .complete_multipart_upload() + .bucket(&bucket) + .key("target") + .upload_id(uid) + .multipart_upload(cmp) + .send() + .await + .unwrap(); + + // (check) Get object + let expected = [&u3[..], &all[500..550001], &u2[..], &u1[1500..20501]].concat(); + test_read_encrypted( + &ctx, + &bucket, + "target", + &expected, + SSEC_KEY2, + SSEC_KEY2_MD5, + SSEC_KEY, + SSEC_KEY_MD5, + ) + .await; + } +} + +async fn test_read_encrypted( + ctx: &Context, + bucket: &str, + obj_key: &str, + expected_data: &[u8], + enc_key: &str, + enc_key_md5: &str, + wrong_enc_key: &str, + wrong_enc_key_md5: &str, +) { + // Test read encrypted without key + let o = ctx + .client + .get_object() + .bucket(bucket) + .key(obj_key) + .send() + .await; + assert!( + o.is_err(), + "encrypted file could be read without encryption key" + ); + + // Test read encrypted with wrong key + let o = ctx + .client + .get_object() + .bucket(bucket) + .key(obj_key) + .sse_customer_key(wrong_enc_key) + .sse_customer_key_md5(wrong_enc_key_md5) + .send() + .await; + assert!( + o.is_err(), + "encrypted file could be read with incorrect encryption key" + ); + + // Test read encrypted with correct key + let o = ctx + .client + .get_object() + .bucket(bucket) + .key(obj_key) + .sse_customer_algorithm("AES256") + .sse_customer_key(enc_key) + .sse_customer_key_md5(enc_key_md5) + .send() + .await + .unwrap(); + assert_bytes_eq!(o.body, expected_data); + assert_eq!(o.sse_customer_algorithm, Some("AES256".into())); + assert_eq!(o.sse_customer_key_md5, Some(enc_key_md5.to_string())); +}