diff options
Diffstat (limited to 'futility/vb2_helper.c')
| -rw-r--r-- | futility/vb2_helper.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/futility/vb2_helper.c b/futility/vb2_helper.c index 4ee0a28b..51a78375 100644 --- a/futility/vb2_helper.c +++ b/futility/vb2_helper.c @@ -184,6 +184,11 @@ static RSA *rsa_from_buffer(uint8_t *buf, uint32_t len) rsa_key = PEM_read_bio_RSAPrivateKey(bp, NULL, NULL, NULL); if (!rsa_key) { + if (BIO_reset(bp) < 0) + return 0; + rsa_key = PEM_read_bio_RSA_PUBKEY(bp, NULL, NULL, NULL); + } + if (!rsa_key) { BIO_free(bp); return 0; } @@ -212,13 +217,15 @@ int ft_show_pem(const char *name, uint8_t *buf, uint32_t len, void *data) uint32_t keyb_len; int i, bits; - printf("Private Key file: %s\n", name); - /* We're called only after ft_recognize_pem, so this should work. */ rsa_key = rsa_from_buffer(buf, len); if (!rsa_key) DIE; + /* Use to presence of the private exponent to decide if it's public */ + printf("%s Key file: %s\n", rsa_key->d ? "Private" : "Public", + name); + bits = BN_num_bits(rsa_key->n); printf(" Key length: %d\n", bits); |