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Merge pull request #7825 from daverodgman/cipher_wrap_size

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Cipher wrap size improvement
This commit is contained in:
Dave Rodgman
2023-07-05 15:45:48 +01:00
committed by GitHub
parent db084d16ea 761d0dcfbf
commit 3d0c8255aa
15 changed files with 765 additions and 610 deletions
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8
library/cmac.c
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@@ -119,7 +119,7 @@ static int cmac_generate_subkeys(mbedtls_cipher_context_t *ctx,
mbedtls_platform_zeroize(L, sizeof(L));
block_size = ctx->cipher_info->block_size;
block_size = mbedtls_cipher_info_get_block_size(ctx->cipher_info);
/* Calculate Ek(0) */
if ((ret = mbedtls_cipher_update(ctx, L, block_size, L, &olen)) != 0) {
@@ -186,7 +186,7 @@ int mbedtls_cipher_cmac_starts(mbedtls_cipher_context_t *ctx,
return retval;
}
type = ctx->cipher_info->type;
type = mbedtls_cipher_info_get_type(ctx->cipher_info);
switch (type) {
case MBEDTLS_CIPHER_AES_128_ECB:
@@ -226,7 +226,7 @@ int mbedtls_cipher_cmac_update(mbedtls_cipher_context_t *ctx,
}
cmac_ctx = ctx->cmac_ctx;
block_size = ctx->cipher_info->block_size;
block_size = mbedtls_cipher_info_get_block_size(ctx->cipher_info);
state = ctx->cmac_ctx->state;
/* Is there data still to process from the last call, that's greater in
@@ -295,7 +295,7 @@ int mbedtls_cipher_cmac_finish(mbedtls_cipher_context_t *ctx,
}
cmac_ctx = ctx->cmac_ctx;
block_size = ctx->cipher_info->block_size;
block_size = mbedtls_cipher_info_get_block_size(ctx->cipher_info);
state = cmac_ctx->state;
mbedtls_platform_zeroize(K1, sizeof(K1));