+ /*
+ * Reject overly short RSA ciphertext because we want to be sure
+ * that the buffer size makes it safe to iterate over the entire
+ * size of a premaster secret (SSL_MAX_MASTER_KEY_LENGTH). The
+ * actual expected size is larger due to RSA padding, but the
+ * bound is sufficient to be safe.
+ */
+ if (n < SSL_MAX_MASTER_KEY_LENGTH)
+ {
+ al = SSL_AD_DECRYPT_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE, SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG);
+ goto f_err;
+ }
+