Re: [PATCH] scripts: rkimage: Use non-deprecated functions for sha256/512

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On 02.05.23 14:27, Sascha Hauer wrote:
> SHA256_Init() and SHA512_Init() are deprecated since OpensSSL 3.0. Use
> EVP functions instead to calculate hashes.

Acked-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>

I'd have preferred we just drop the OpenSSL dependency here though (:.

> 
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> ---
>  scripts/rkimage.c | 22 +++++++++++++---------
>  1 file changed, 13 insertions(+), 9 deletions(-)
> 
> diff --git a/scripts/rkimage.c b/scripts/rkimage.c
> index 6e68d508ac..551114ed82 100644
> --- a/scripts/rkimage.c
> +++ b/scripts/rkimage.c
> @@ -9,7 +9,7 @@
>  #include <stdint.h>
>  #include <string.h>
>  #include <time.h>
> -#include <openssl/sha.h>
> +#include <openssl/evp.h>
>  #include <errno.h>
>  #include <stdbool.h>
>  
> @@ -22,20 +22,24 @@
>  
>  static void sha256(const void *buf, int len, void *out)
>  {
> -	SHA256_CTX sha256;
> +	EVP_MD_CTX *md_ctx;
>  
> -	SHA256_Init(&sha256);
> -	SHA256_Update(&sha256, buf, len);
> -	SHA256_Final(out, &sha256);
> +	md_ctx = EVP_MD_CTX_new();
> +	EVP_DigestInit(md_ctx, EVP_sha256());
> +	EVP_DigestUpdate(md_ctx, buf, len);
> +	EVP_DigestFinal(md_ctx, out, NULL);
> +	EVP_MD_CTX_free(md_ctx);
>  }
>  
>  static void sha512(const void *buf, int len, void *out)
>  {
> -	SHA512_CTX sha512;
> +	EVP_MD_CTX *md_ctx;
>  
> -	SHA512_Init(&sha512);
> -	SHA512_Update(&sha512, buf, len);
> -	SHA512_Final(out, &sha512);
> +	md_ctx = EVP_MD_CTX_new();
> +	EVP_DigestInit(md_ctx, EVP_sha512());
> +	EVP_DigestUpdate(md_ctx, buf, len);
> +	EVP_DigestFinal(md_ctx, out, NULL);
> +	EVP_MD_CTX_free(md_ctx);
>  }
>  
>  typedef enum {

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