000027768 - Elliptic Curve Equivalence

Document created by RSA Customer Support Employee on Jun 14, 2016Last modified by RSA Customer Support Employee on Apr 21, 2017
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Article Number000027768
Applies ToRSA BSAFE Crypto-C ME 4.0.1
RSA BSAFE Crypto-C
IssueWhat R_PKEY_EC_NAMED_CURVE_* curves map to NIST/SEC 256,384, and 521-bit curves?
ResolutionR_PKEY_EC_NAMED_CURVE_PRIME256V1 
The first prime curve with a 256-bit prime exponent, outlined in X9.62-1998 Annex J.5.3. 
Equivalent to the 256-bit prime curve outlined in FIPS 186-3 Appendix D.1.2.3, and the 256-bit random prime curve outlined in Standards for Efficient Cryptography (SEC) 2: Recommended Elliptic Curve Domain Parameters, Version 2.0, section 2.4.2. 
Curve OID: 1.2.840.10045.3.1.7. 
The string equivalent is NIST_P256. 

R_PKEY_EC_NAMED_CURVE_PRIME384 
The 384-bit prime curve outlined in FIPS 186-3 Appendix D.1.2.4. 
Equivalent to the 384-bit random prime curve outlined in Standards for Efficient Cryptography (SEC) 2: Recommended Elliptic Curve Domain Parameters, Version 2.0, section 2.5.1. 
Curve OID: 1.3.132.0.34. 
The string equivalent is NIST_P384. 

R_PKEY_EC_NAMED_CURVE_PRIME521 
The 521-bit prime curve outlined in FIPS 186-3 Appendix D.1.2.5. 
Equivalent to the 521-bit random prime curve outlined in Standards for Efficient Cryptography (SEC) 2: Recommended Elliptic Curve Domain Parameters, Version 2.0, section 2.6.1. 
Curve OID: 1.3.132.0.35. 
The string equivalent is NIST_P521. 
Legacy Article IDa66451

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