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[release/9.0-staging] fix: in rsa signatures, configure digest before padding mode #115695

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Merged
merged 4 commits into from
Jun 9, 2025
Merged

[release/9.0-staging] fix: in rsa signatures, configure digest before padding mode #115695

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4b97309
fix(#114260): in rsa signatures, configure digest before padding mode
rcatolino Apr 4, 2025
d0a5939
Merge branch 'release/9.0-staging' into backport/pr-114261-to-release…
vcsjones May 25, 2025
ac3c596
Merge branch 'release/9.0-staging' into backport/pr-114261-to-release…
bartonjs Jun 6, 2025
6485fee
Merge branch 'release/9.0-staging' into backport/pr-114261-to-release…
bartonjs Jun 9, 2025
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17 changes: 9 additions & 8 deletions src/native/libs/System.Security.Cryptography.Native/pal_evp_pkey_rsa.c
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Original file line number Diff line number Diff line change
Expand Up @@ -215,6 +215,15 @@ int32_t CryptoNative_RsaEncrypt(EVP_PKEY* pkey,

static bool ConfigureSignature(EVP_PKEY_CTX* ctx, RsaPaddingMode padding, const EVP_MD* digest)
{

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wcast-qual"
if (EVP_PKEY_CTX_set_signature_md(ctx, digest) <= 0)
#pragma clang diagnostic pop
{
return false;
}

if (padding == RsaPaddingPkcs1)
{
if (EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PADDING) <= 0)
Expand All @@ -233,14 +242,6 @@ static bool ConfigureSignature(EVP_PKEY_CTX* ctx, RsaPaddingMode padding, const
}
}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wcast-qual"
if (EVP_PKEY_CTX_set_signature_md(ctx, digest) <= 0)
#pragma clang diagnostic pop
{
return false;
}

return true;
}

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