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-rw-r--r--crypto/dsa/dsa_err.c4
-rw-r--r--crypto/dsa/dsa_gen.c4
-rw-r--r--include/openssl/dsa.h1
3 files changed, 7 insertions, 2 deletions
diff --git a/crypto/dsa/dsa_err.c b/crypto/dsa/dsa_err.c
index 6de49eebbd..b8f0af4662 100644
--- a/crypto/dsa/dsa_err.c
+++ b/crypto/dsa/dsa_err.c
@@ -21,7 +21,7 @@
static ERR_STRING_DATA DSA_str_functs[] = {
{ERR_FUNC(DSA_F_DSAPARAMS_PRINT), "DSAparams_print"},
{ERR_FUNC(DSA_F_DSAPARAMS_PRINT_FP), "DSAparams_print_fp"},
- {ERR_FUNC(DSA_F_DSA_BUILTIN_PARAMGEN), "DSA_BUILTIN_PARAMGEN"},
+ {ERR_FUNC(DSA_F_DSA_BUILTIN_PARAMGEN), "dsa_builtin_paramgen"},
{ERR_FUNC(DSA_F_DSA_BUILTIN_PARAMGEN2), "dsa_builtin_paramgen2"},
{ERR_FUNC(DSA_F_DSA_DO_SIGN), "DSA_do_sign"},
{ERR_FUNC(DSA_F_DSA_DO_VERIFY), "DSA_do_verify"},
@@ -56,6 +56,8 @@ static ERR_STRING_DATA DSA_str_reasons[] = {
{ERR_REASON(DSA_R_NO_PARAMETERS_SET), "no parameters set"},
{ERR_REASON(DSA_R_PARAMETER_ENCODING_ERROR), "parameter encoding error"},
{ERR_REASON(DSA_R_Q_NOT_PRIME), "q not prime"},
+ {ERR_REASON(DSA_R_SEED_LEN_SMALL),
+ "seed_len is less than the length of q"},
{0, NULL}
};
diff --git a/crypto/dsa/dsa_gen.c b/crypto/dsa/dsa_gen.c
index 11f422e4b4..3efeab84fa 100644
--- a/crypto/dsa/dsa_gen.c
+++ b/crypto/dsa/dsa_gen.c
@@ -74,8 +74,10 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
bits = (bits + 63) / 64 * 64;
if (seed_in != NULL) {
- if (seed_len < (size_t)qsize)
+ if (seed_len < (size_t)qsize) {
+ DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN, DSA_R_SEED_LEN_SMALL);
return 0;
+ }
if (seed_len > (size_t)qsize) {
/* Only consume as much seed as is expected. */
seed_len = qsize;
diff --git a/include/openssl/dsa.h b/include/openssl/dsa.h
index cb5fbc2f05..139718edb9 100644
--- a/include/openssl/dsa.h
+++ b/include/openssl/dsa.h
@@ -274,6 +274,7 @@ int ERR_load_DSA_strings(void);
# define DSA_R_NO_PARAMETERS_SET 107
# define DSA_R_PARAMETER_ENCODING_ERROR 105
# define DSA_R_Q_NOT_PRIME 113
+# define DSA_R_SEED_LEN_SMALL 110
# ifdef __cplusplus
}