diff options
Diffstat (limited to 'board/cr50/tpm2/rsa.c')
| -rw-r--r-- | board/cr50/tpm2/rsa.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/board/cr50/tpm2/rsa.c b/board/cr50/tpm2/rsa.c index 8b156feb75..e0bf3559e6 100644 --- a/board/cr50/tpm2/rsa.c +++ b/board/cr50/tpm2/rsa.c @@ -32,15 +32,16 @@ static int check_encrypt_params(TPM_ALG_ID padding_alg, TPM_ALG_ID hash_alg, enum padding_mode *padding, enum hashing_mode *hashing) { + /* Initialize hashing for all padding types */ + *hashing = HASH_SHA1; + if (padding_alg == TPM_ALG_RSAES) { *padding = PADDING_MODE_PKCS1; } else if (padding_alg == TPM_ALG_OAEP) { /* Only SHA1 and SHA256 supported with OAEP. */ - if (hash_alg == TPM_ALG_SHA1) - *hashing = HASH_SHA1; - else if (hash_alg == TPM_ALG_SHA256) + if (hash_alg == TPM_ALG_SHA256) *hashing = HASH_SHA256; - else + else if (hash_alg != TPM_ALG_SHA1) /* Unsupported hash algorithm. */ return 0; *padding = PADDING_MODE_OAEP; |