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Refactor AES context to be shallow-copyable

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Replace RK pointer in AES context with a buffer offset, to allow
shallow copying. Fixes #2147.

Signed-off-by: Werner Lewis <werner.lewis@arm.com>
This commit is contained in:
Werner Lewis
2022-05-30 12:00:21 +01:00
committed by Werner Lewis
parent 07040bb179
commit dd76ef359d
7 changed files with 50 additions and 15 deletions
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library/aesni.c
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@@ -127,7 +127,7 @@ int mbedtls_aesni_crypt_ecb( mbedtls_aes_context *ctx,
"3: \n\t"
"movdqu %%xmm0, (%4) \n\t" // export output
:
: "r" (ctx->nr), "r" (ctx->rk), "r" (mode), "r" (input), "r" (output)
: "r" (ctx->nr), "r" (ctx->buf + ctx->rk_offset), "r" (mode), "r" (input), "r" (output)
: "memory", "cc", "xmm0", "xmm1" );