diff --git a/crypto/cmac/cmac.c b/crypto/cmac/cmac.c index 774e6dc91..2954b6eb7 100644 --- a/crypto/cmac/cmac.c +++ b/crypto/cmac/cmac.c @@ -160,6 +160,14 @@ int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen, EVPerr(EVP_F_CMAC_INIT, EVP_R_DISABLED_FOR_FIPS); return 0; } + + /* Switch to FIPS cipher implementation if possible */ + if (cipher != NULL) { + const EVP_CIPHER *fcipher; + fcipher = FIPS_get_cipherbynid(EVP_CIPHER_nid(cipher)); + if (fcipher != NULL) + cipher = fcipher; + } /* * Other algorithm blocking will be done in FIPS_cmac_init, via * FIPS_cipherinit().