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Fix RC4 multipart PSA

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RC4 doesn't take an IV.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2022-04-20 17:00:22 +02:00
parent c768600de7
commit 4a83c1047f
3 changed files with 11 additions and 0 deletions
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2
library/psa_crypto.c
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@@ -3359,6 +3359,8 @@ static psa_status_t psa_cipher_setup( psa_cipher_operation_t *operation,
operation->iv_set = 0;
if( alg == PSA_ALG_ECB_NO_PADDING )
operation->iv_required = 0;
else if( slot->attr.type == PSA_KEY_TYPE_ARC4 )
operation->iv_required = 0;
else
operation->iv_required = 1;
operation->default_iv_length = PSA_CIPHER_IV_LENGTH( slot->attr.type, alg );