Openssl ecparam list_curves , openssl list ec curves

  openssl ecparam -list_curves

[root@hyd1688 ec_sign_verify]# openssl ecparam -list_curves

  secp112r1 : SECG/WTLS curve over a 112 bit prime field

  secp112r2 : SECG curve over a 112 bit prime field

  secp128r1 : SECG curve over a 128 bit prime field

  secp128r2 : SECG curve over a 128 bit prime field

  secp160k1 : SECG curve over a 160 bit prime field

  secp160r1 : SECG curve over a 160 bit prime field

  secp160r2 : SECG/WTLS curve over a 160 bit prime field

  secp192k1 : SECG curve over a 192 bit prime field

  secp224k1 : SECG curve over a 224 bit prime field

  secp224r1 : NIST/SECG curve over a 224 bit prime field

  secp256k1 : SECG curve over a 256 bit prime field

  secp384r1 : NIST/SECG curve over a 384 bit prime field

  secp521r1 : NIST/SECG curve over a 521 bit prime field

  prime192v1: NIST/X9.62/SECG curve over a 192 bit prime field

  prime192v2: X9.62 curve over a 192 bit prime field

  prime192v3: X9.62 curve over a 192 bit prime field

  prime239v1: X9.62 curve over a 239 bit prime field

  prime239v2: X9.62 curve over a 239 bit prime field

  prime239v3: X9.62 curve over a 239 bit prime field

  prime256v1: X9.62/SECG curve over a 256 bit prime field

  sect113r1 : SECG curve over a 113 bit binary field

  sect113r2 : SECG curve over a 113 bit binary field

  sect131r1 : SECG/WTLS curve over a 131 bit binary field

  sect131r2 : SECG curve over a 131 bit binary field

  sect163k1 : NIST/SECG/WTLS curve over a 163 bit binary field

  sect163r1 : SECG curve over a 163 bit binary field

  sect163r2 : NIST/SECG curve over a 163 bit binary field

  sect193r1 : SECG curve over a 193 bit binary field

  sect193r2 : SECG curve over a 193 bit binary field

  sect233k1 : NIST/SECG/WTLS curve over a 233 bit binary field

  sect233r1 : NIST/SECG/WTLS curve over a 233 bit binary field

  sect239k1 : SECG curve over a 239 bit binary field

  sect283k1 : NIST/SECG curve over a 283 bit binary field

  sect283r1 : NIST/SECG curve over a 283 bit binary field

  sect409k1 : NIST/SECG curve over a 409 bit binary field

  sect409r1 : NIST/SECG curve over a 409 bit binary field

  sect571k1 : NIST/SECG curve over a 571 bit binary field

  sect571r1 : NIST/SECG curve over a 571 bit binary field

  c2pnb163v1: X9.62 curve over a 163 bit binary field

  c2pnb163v2: X9.62 curve over a 163 bit binary field

  c2pnb163v3: X9.62 curve over a 163 bit binary field

  c2pnb176v1: X9.62 curve over a 176 bit binary field

  c2tnb191v1: X9.62 curve over a 191 bit binary field

  c2tnb191v2: X9.62 curve over a 191 bit binary field

  c2tnb191v3: X9.62 curve over a 191 bit binary field

  c2pnb208w1: X9.62 curve over a 208 bit binary field

  c2tnb239v1: X9.62 curve over a 239 bit binary field

  c2tnb239v2: X9.62 curve over a 239 bit binary field

  c2tnb239v3: X9.62 curve over a 239 bit binary field

  c2pnb272w1: X9.62 curve over a 272 bit binary field

  c2pnb304w1: X9.62 curve over a 304 bit binary field

  c2tnb359v1: X9.62 curve over a 359 bit binary field

  c2pnb368w1: X9.62 curve over a 368 bit binary field

  c2tnb431r1: X9.62 curve over a 431 bit binary field

  wap-wsg-idm-ecid-wtls1: WTLS curve over a 113 bit binary field

  wap-wsg-idm-ecid-wtls3: NIST/SECG/WTLS curve over a 163 bit binary field

  wap-wsg-idm-ecid-wtls4: SECG curve over a 113 bit binary field

  wap-wsg-idm-ecid-wtls5: X9.62 curve over a 163 bit binary field

  wap-wsg-idm-ecid-wtls6: SECG/WTLS curve over a 112 bit prime field

  wap-wsg-idm-ecid-wtls7: SECG/WTLS curve over a 160 bit prime field

  wap-wsg-idm-ecid-wtls8: WTLS curve over a 112 bit prime field

  wap-wsg-idm-ecid-wtls9: WTLS curve over a 160 bit prime field

  wap-wsg-idm-ecid-wtls10: NIST/SECG/WTLS curve over a 233 bit binary field

  wap-wsg-idm-ecid-wtls11: NIST/SECG/WTLS curve over a 233 bit binary field

  wap-wsg-idm-ecid-wtls12: WTLS curve over a 224 bit prime field

  Oakley-EC2N-3:

        IPSec/IKE/Oakley curve #3 over a 155 bit binary field.

        Not suitable for ECDSA.

        Questionable extension field!

  Oakley-EC2N-4:

        IPSec/IKE/Oakley curve #4 over a 185 bit binary field.

        Not suitable for ECDSA.

        Questionable extension field!

  brainpoolP160r1: RFC 5639 curve over a 160 bit prime field

  brainpoolP160t1: RFC 5639 curve over a 160 bit prime field

  brainpoolP192r1: RFC 5639 curve over a 192 bit prime field

  brainpoolP192t1: RFC 5639 curve over a 192 bit prime field

  brainpoolP224r1: RFC 5639 curve over a 224 bit prime field

  brainpoolP224t1: RFC 5639 curve over a 224 bit prime field

  brainpoolP256r1: RFC 5639 curve over a 256 bit prime field

  brainpoolP256t1: RFC 5639 curve over a 256 bit prime field

  brainpoolP320r1: RFC 5639 curve over a 320 bit prime field

  brainpoolP320t1: RFC 5639 curve over a 320 bit prime field

  brainpoolP384r1: RFC 5639 curve over a 384 bit prime field

  brainpoolP384t1: RFC 5639 curve over a 384 bit prime field

  brainpoolP512r1: RFC 5639 curve over a 512 bit prime field

  brainpoolP512t1: RFC 5639 curve over a 512 bit prime field

  SM2       : SM2 curve over a 256 bit prime field